A400 Dryfit

The Sonnenschein lead-acid battery A412/5.5 SR is a high-quality gel battery with a capacity of 5.5 Ah that provides reliable energy. Ideal for applications in telecommunications, alarm systems and emergency power systems, this battery offers outstanding performance and a long service life. Thanks to the maintenance-free gel technology, the A412/5.5 SR is particularly safe and environmentally friendly. It is resistant to vibrations and temperature fluctuations, allowing it to function optimally under various conditions. The compact design also ensures easy installation and handling. Rely on the Sonnenschein A412/5.5 SR lead-acid battery for your energy needs.

The Sonnenschein lead-acid battery A412/12 SR is a compact and powerful gel battery, ideal for a wide range of applications, including telecommunication systems, security systems and emergency power supplies. With a capacity of 12 Ah and robust gel technology, this battery offers a maintenance-free and long-lasting energy source. The A412/12 SR is characterised by its high reliability, low self-discharge and constant performance, even under extreme conditions. This battery is suitable for use in various environments and ensures a safe and stable power supply over a long period of time. Put your trust in the quality of Sonnenschein and secure a reliable power source for your requirements.

The Sonnenschein A412/20 G5 is a compact, maintenance-free gel battery from the A400 series. With its dryfit technology, it offers reliable, safe and long-lasting power for a wide range of uses – from emergency power supplies and telecommunications to industrial equipment.Highlights at a glance12 V nominal voltage, 20 Ah capacity (C10, 20 °C)Maintenance-free thanks to sealed dryfit gel technology (VRLA)Robust ABS housing for long service lifeHigh short-circuit current: up to 460 ALoadable up to approx. 200 A, max. discharge current 800 A (5 s)Compact design: only 167 x 176 x 126 mmCompact power for versatile usesThe A412/20 G5 is ideal for emergency lighting, alarm systems, telecommunications systems and smaller UPS systems. Its compact size allows flexible installation even in space-critical environments.Efficiency through modern gel technologyThe dryfit gel technology ensures safe gas recombination inside, making the battery absolutely maintenance-free. In addition, it achieves very low self-discharge, improving storage and operational readiness.Robust technology for high reliabilityWith an internal resistance of 25 mΩ and a resilient housing, the A412/20 G5 provides a stable and durable energy supply. Even under heavy loads, it impresses with reliable performance and operational safety. Features  ModelSonnenschein A412/20 G5 ApplicationStandby / UPS / Telecommunications TechnologyLead gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)20 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)167 x 176 x 126 ConnectionG-M5 (M5 internal thread) Weight (kg)approx. 8.2  FAQs about the Sonnenschein Gel Battery A412/20 G5For which applications is the A412/20 G5 suitable?The battery is suitable for emergency lighting, alarm systems, telecommunications and smaller UPS systems.How compact is the battery?With dimensions of 167 x 176 x 126 mm, it is particularly suitable for use in space-critical environments.What are the advantages of dryfit technology?It guarantees a long lifespan, low self-discharge, high operational safety and total maintenance-free use.Is the battery really maintenance-free and what happens with deep discharge?Yes, the battery does not require topping up throughout its lifespan. It is designed to be deep discharge-proof and uses gel technology with gas recombination, which minimises the risk of gas formation.How long can the battery be stored without recharging?Thanks to very low self-discharge, the battery can be stored at 20 °C for up to 2 years without recharging, with no significant loss of capacity.Is the battery subject to transport restrictions?No, ready-to-use blocks of this battery are not subject to any dangerous goods restrictions – whether by road, rail, water or air transport (e.g. IATA A67).

The Sonnenschein A412/32 G6 is an absolutely maintenance-free lead-gel block battery, developed for the highest demands on operational safety and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® Gel Technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 32 Ah, it is the ideal energy source for fail-safe emergency power supplies in security technology, UPS systems and in medical technology.Highlights at a glanceSuperior Dryfit® Gel Technology: Absolutely maintenance-free over the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use under demanding conditions.Low self-discharge: High storage capability and always ready for use in an emergency.Maximum supply security for critical infrastructureThe Sonnenschein A412/32 G6 is the specialist for standby-parallel operation (standby use), where immediate and reliable energy provision during a power failure is decisive. Its main areas of application are uninterruptible power supplies (UPS) for computer and server systems, emergency and security lighting systems, fire alarm and security systems, as well as power supply in hospitals and telecommunications facilities.Proven Dryfit® Gel TechnologyThe Dryfit® Gel Technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient, with no need to top up with water.Designed for durability and reliabilityThe A400 series has been developed for maximum economic efficiency over the entire life cycle. The extremely long service life of 12 years and more significantly reduces the need for expensive and complex battery replacements in permanently installed systems. The high manufacturing quality and the use of high-purity materials ensure consistently high performance, thereby contributing to the high operational reliability of the entire system. Features  ModelSonnenschein A412/32 G6 ApplicationStandby / UPS / safety lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)32 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)210 x 176 x 174 ConnectionG6 (M6 internal thread) Weight (kg)approx. 14.5  FAQs about the Sonnenschein A412/32 G6 lead-gel batteryWhat is the main advantage of Dryfit® Gel Technology?The key advantage is the combination of absolute maintenance-free operation, highest cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and provide very consistent performance over a long period, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The classification "Long Life" means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct float charge).What is the difference between a standby battery and a starter or solar battery?A standby battery like this is optimised for standby-parallel operation. It is permanently maintained at a constant voltage (float charge) and only rarely releases energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily deep discharge and recharge.How must this lead-acid battery be disposed of?Lead-acid batteries contain environmentally hazardous substances and must not be disposed of as household waste. You can return your old battery free of charge to any retailer selling new batteries or at municipal recycling centres to ensure proper recycling.

The Sonnenschein A412/50 A is an absolutely maintenance-free lead-gel block battery that has been developed for the highest standards of operational safety and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 50 Ah, it is the ideal energy source for fail-safe emergency power supply in security technology, UPS systems and medical technology.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free for the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Offers excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant case for use in demanding conditions.Low self-discharge: High shelf life and always ready for use in an emergency.Maximum supply security for critical infrastructureThe Sonnenschein A412/50 A is the specialist for standby parallel operation (standby use), where immediate and reliable power supply in the event of a mains failure is crucial. Its main areas of application are uninterruptible power supplies (UPS) for computer and server systems, emergency and safety lighting systems, fire detection and alarm systems, as well as power supply in hospitals and telecommunications systems.Proven Dryfit® gel technologyThe Dryfit® gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient without the need to add water.Developed for longevity and reliabilityThe A400 series has been developed for maximum cost-effectiveness throughout its life cycle. The extremely long service life of 12 years or more significantly reduces the need for expensive and complex battery replacements in fixed installations. The high manufacturing quality and use of high-purity materials ensure consistent performance, thus contributing to the high operational reliability of the entire system. Features  ModelSonnenschein A412/50 A ApplicationStandby / UPS / safety lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)50 (C10) Design service life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)278 x 175 x 190 ConnectionStandard car post (SAE) Weight (kg)approx. 21.0  FAQs about the Sonnenschein A412/50 A lead-gel batteryWhat is the main advantage of Dryfit® gel technology?The key advantage is the combination of absolute maintenance-free operation, maximum cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and provide very consistent performance over a long period of time, making them a premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (mostly 20°C ambient temperature and correct maintenance charging).What is the difference between a standby battery and a starter or solar battery?A standby battery like this one is optimised for standby parallel operation. It is permanently kept at a constant voltage (maintenance charge) and rarely has to deliver energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily deep discharge and recharge.How should this lead battery be disposed of?Lead batteries contain environmentally harmful substances and must not be disposed of in household waste. You can return your old battery free of charge to any dealer who sells new batteries, or to municipal recycling centres, to ensure proper recycling.

The Sonnenschein A412/65 G6 is an absolutely maintenance-free lead-gel block battery that has been developed for the highest demands on operational reliability and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 65 Ah, it is the ideal energy source for fail-safe emergency power supplies in security technology, UPS systems and medical technology.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free over the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use in demanding conditions.Low self-discharge: High shelf life and always ready for use in an emergency.Maximum security of supply for critical infrastructureThe Sonnenschein A412/65 G6 is the specialist for standby parallel operation (standby use), where an immediate and reliable power supply is crucial in the event of a mains failure. Its main areas of application are uninterruptible power supplies (UPS) for computer and server systems, emergency and security lighting systems, fire detection and alarm systems as well as the power supply in hospitals and telecommunications systems.Proven Dryfit® gel technologyThe Dryfit® gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient without the need to top up with water.Developed for longevity and reliabilityThe A400 series was developed for maximum efficiency over the entire service life. The extremely long service life of 12 years and more significantly reduces the need for costly and time-consuming battery changes in permanently installed systems. The high manufacturing quality and the use of high-purity materials ensure constant performance and thus contribute to the high operational reliability of the entire system. Battery features  ModelSonnenschein A412/65 G6 ApplicationStandby / UPS / safety lighting TechnologyLead gel (dryfit®) Rated voltage (V)12 Capacity (Ah)65 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)353 x 175 x 190 ConnectionG6 (M6 internal thread) Weight (kg)approx. 25.0  FAQs about the Sonnenschein A412/65 G6 lead-gel batteryWhat is the main advantage of Dryfit® Gel technology?The decisive advantage is the combination of absolute freedom from maintenance, maximum cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer very constant performance over a long period of time, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct trickle charging).What is the difference between a standby battery and a starter or solar battery?A standby battery such as this one is optimised for standby parallel operation. It is permanently kept at a constant voltage (trickle charge) and only rarely has to release energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily, deep discharging and recharging.How should this lead-acid battery be disposed of?Lead-acid batteries contain environmentally harmful substances and must not be disposed of with household waste. You can return your old battery to any retailer that sells new batteries or to municipal recycling centres free of charge to ensure that it is recycled properly.

The Sonnenschein A412/90 F10 is an absolutely maintenance-free lead-gel block battery that has been developed for the highest demands on operational reliability and a very long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 90 Ah, it is the ideal energy source for fail-safe emergency power supplies in telecommunications, industrial plants and safety-relevant systems.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free over the entire service life, maximum reliability and leak-proof.Long service life: Classified as "Long Life" (10 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use in demanding conditions.Low self-discharge: High shelf life and always ready for use in an emergency.Maximum security of supply for critical infrastructureThe Sonnenschein A412/90 F10 is the specialist for standby parallel operation (standby use), where immediate and reliable energy transfer is crucial in the event of a power failure. Its main areas of application are uninterruptible power supplies (UPS), telecommunications and IT systems, emergency and safety lighting systems as well as power supply in power stations, substations and railway systems. Wherever a power failure would have serious consequences, this battery provides the necessary security.Proven Dryfit® gel technologyThe Dryfit® gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient without the need to top up with water.Developed for longevity and reliabilityThe A400 series was developed for maximum economy over the entire service life. The long service life of 10 years and more significantly reduces the need for costly and time-consuming battery replacements in permanently installed systems. The high manufacturing quality and the use of high-purity materials ensure constant performance and thus contribute to the high operational reliability of the entire system. Characteristics  ModelSonnenschein A412/90 F10 ApplicationStandby / UPS / Telecommunications TechnologyLead gel (dryfit®) Rated voltage (V)12 Capacity (Ah)90 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)394 x 174 x 224 ConnectionF10 (M8 internal thread) Weight (kg)approx. 33.5  FAQs about the Sonnenschein A412/90 F10 lead-gel batteryWhat is the main advantage of Dryfit® Gel technology?The decisive advantage is the combination of absolute freedom from maintenance, maximum cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer very constant performance over a long period of time, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 10 years or more under defined standby conditions (usually 20°C ambient temperature and correct trickle charging).What is the difference between a standby battery and a starter or solar battery?A standby battery such as this one is optimised for standby parallel operation. It is permanently kept at a constant voltage (trickle charge) and only rarely has to release energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily, deep discharging and recharging.How should this lead-acid battery be disposed of?Lead-acid batteries contain environmentally harmful substances and must not be disposed of with household waste. You can return your old battery to any retailer that sells new batteries or to municipal recycling centres free of charge to ensure that it is recycled properly.

The Sonnenschein A412/100 F10 is an absolutely maintenance-free lead-gel block battery that has been developed to meet the highest requirements for operational safety and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® Gel technology, this battery offers outstanding reliability. With a nominal voltage of 12V and a capacity of 100 Ah, it is the ideal energy source for fail-safe emergency power supplies in telecommunications, industrial plants and safety-relevant systems.Highlights at a glanceSuperior Dryfit® Gel technology: Absolutely maintenance-free throughout its entire service life, highest reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and more) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Offers excellent recovery even after deep discharges.Robust design: Reinforced, impact-resistant housing for use in demanding conditions.Low self-discharge: High shelf life and always ready for emergency use.Maximum supply security for critical infrastructureThe Sonnenschein A412/100 F10 is the specialist for standby parallel operation (standby use), where immediate and reliable supply of energy in the event of power failure is crucial. Its main areas of application are uninterruptible power supplies (UPS), telecommunications and IT systems, emergency and safety lighting systems as well as supplying energy to power plants, substations and railway systems. Wherever a power failure would have serious consequences, this battery provides the necessary security.Proven Dryfit® Gel technologyThe Dryfit® Gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This makes the battery not only absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation especially safe and efficient, with no need to top up with water.Developed for longevity and reliabilityThe A400 series was developed for maximum economy throughout its entire service life. The extremely long service life of 12 years or more significantly reduces the need for costly and complex battery replacement in permanently installed systems. The high manufacturing quality and use of highly pure materials ensure constant performance and thus contribute to the high operational safety of the entire system. Features  ModelSonnenschein A412/100 F10 ApplicationStandby / UPS / Safety lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)100 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)498 x 110 x 287 ConnectionF10 (M8 internal thread) Weight (kg)approx. 35.0  FAQs about the Sonnenschein A412/100 F10 lead-gel batteryWhat is the main advantage of the Dryfit® Gel technology?The key advantage is the combination of absolute maintenance-free operation, highest cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and provide very consistent performance over a long period of time, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The classification "Long Life" means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct standby charging).What is the difference between a standby battery and a starter or solar battery?A standby battery like this is optimised for parallel standby operation. It is permanently kept at a constant voltage (float charging) and only rarely needs to supply energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily deep discharge and recharge.How should this lead battery be disposed of?Lead batteries contain environmentally hazardous substances and must not be disposed of with household waste. You can return your old battery free of charge to any dealer that sells new batteries or to municipal recycling centres to ensure proper disposal.

The Sonnenschein A412/100 A is an absolutely maintenance-free lead-gel block battery that has been developed to meet the highest demands for operational reliability and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 100 Ah, it is the ideal energy source for fail-safe emergency power supplies in telecommunications, industrial plants and safety-relevant systems.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free over the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use in demanding conditions.Low self-discharge: High shelf life and always ready for use in an emergency.Maximum security of supply for critical infrastructureThe Sonnenschein A412/100 A is the specialist for standby parallel operation (standby use), where an immediate and reliable power supply is crucial in the event of a mains failure. Its main areas of application are uninterruptible power supplies (UPS), telecommunications and IT systems, emergency and safety lighting systems as well as power supply in power stations, substations and railway systems. Wherever a power failure would have serious consequences, this battery provides the necessary security.Proven Dryfit® gel technologyThe Dryfit® gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient without the need to top up with water.Developed for longevity and reliabilityThe A400 series was developed for maximum economy over the entire service life. The extremely long service life of 12 years and more significantly reduces the need for costly and time-consuming battery replacements in permanently installed systems. The high manufacturing quality and the use of high-purity materials ensure constant performance and thus contribute to the high operational reliability of the overall system. Battery features  ModelSonnenschein A412/100 A ApplicationStandby / UPS / safety lighting TechnologyLead gel (dryfit®) Rated voltage (V)12 Capacity (Ah)100 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)498 x 110 x 287 ConnectionStandard Autopol (SAE) Weight (kg)approx. 35.0  FAQs about the Sonnenschein A412/100 A lead-gel batteryWhat is the main advantage of Dryfit® Gel technology?The decisive advantage is the combination of absolute freedom from maintenance, maximum cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer very constant performance over a long period of time, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct trickle charging).What is the difference between a standby battery and a starter or solar battery?A standby battery such as this one is optimised for standby parallel operation. It is permanently kept at a constant voltage (trickle charge) and only rarely has to release energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily, deep discharging and recharging.How should this lead-acid battery be disposed of?Lead-acid batteries contain environmentally harmful substances and must not be disposed of with household waste. You can return your old battery to any retailer that sells new batteries or to municipal recycling centres free of charge to ensure that it is recycled properly.

The Sonnenschein A412/120 A is an absolutely maintenance-free lead-gel block battery developed for the highest demands in operational reliability and extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a high capacity of 120 Ah, it is the ideal energy source for fail-safe emergency power supplies in telecommunications, industrial facilities, and safety-relevant systems.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free throughout its entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and more) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Delivers excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for operation under demanding conditions.Low self-discharge: High shelf life and always ready for use in an emergency.Maximum supply security for critical infrastructureThe Sonnenschein A412/120 A is the specialist for standby parallel operation (standby use), where immediate and reliable power take-over in case of mains failure is crucial. Its main areas of use are uninterruptible power supplies (UPS), telecommunications and IT systems, emergency and safety lighting systems, as well as power supply in power stations, substations and railway systems. Wherever a power failure would have serious consequences, this battery provides the necessary security.Proven Dryfit® gel technologyThe Dryfit® gel technology, invented and perfected by Sonnenschein, binds the electrolyte in a thixotropic silica gel. This makes the battery not only absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient, without the need for water refilling.Developed for longevity and reliabilityThe A400 series was developed for maximum cost-effectiveness over the entire service life. The extremely long lifespan of 12 years and more significantly reduces the need for costly and complex battery replacements in permanently installed systems. The high manufacturing quality and the use of ultra-pure materials ensure consistent performance and thus contribute to the high operational reliability of the overall system. Features  ModelSonnenschein A412/120 A ApplicationStandby / UPS / safety lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)120 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)513 x 223 x 223 ConnectionStandard Autopole (SAE) Weight (kg)approx. 47.0  FAQs about the Sonnenschein A412/120 A lead-gel batteryWhat is the main advantage of Dryfit® gel technology?The key advantage is the combination of absolute maintenance freedom, maximum cycle life and extreme durability. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer extremely consistent performance over a long period, making them the premium solution for critical standby applications.What does the "Eurobat Long Life" classification mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (typically 20°C ambient temperature and correct trickle charge).What is the difference between a standby battery and a starter or solar battery?A standby battery such as this one is optimised for parallel standby operation. It is permanently kept at a constant voltage (trickle charge) and is only rarely required to deliver energy. A starter battery is designed for brief, high current loads. A solar battery (cycle battery) is optimised for daily, deep discharging and recharging.How should this lead-acid battery be disposed of?Lead batteries contain substances harmful to the environment and must not be disposed of in household waste. You can return your old battery free of charge to any retailer selling new batteries or at municipal recycling centres to ensure proper disposal.

The Sonnenschein A412/120 FT is a premium battery from the A400-FT series, equipped with proven dryfit® gel technology. It offers a particularly long service life, high cycle stability and, thanks to its front-terminal design, is ideally suited for use in battery cabinets and racks.Highlights at a glance12 V block battery with 120 Ah (C10, 1.80 V/C, 20 °C)Design life: over 12 years ("Very Long Life", EUROBAT)Maintenance-free due to VRLA gel technologyFront-terminal connections (M8 threaded studs) for easy installation and maintenanceVery low self-discharge and therefore a shelf life of up to 2 years at 20 °CShort recharge time, extremely low gas emissions and protection against deep dischargeGrid plates made of lead-calcium alloy for high corrosion resistancePowerful for critical applicationsThe A412/120 FT is the ideal solution for demanding systems such as telecommunications systems, UPS applications, safety lighting and hazard detection technology. Thanks to its high energy density and reliability, it is particularly suitable for applications where operational safety has top priority.Efficiency and safetyThe dryfit® gel technology ensures absolutely maintenance-free operation. The battery emits little gas, is protected against deep discharge and, thanks to its robust design, offers maximum operational reliability with low operating costs.Robust front-terminal technologyThe front-terminal design makes installation and maintenance much easier, especially in cabinets and racks. In combination with the long service life of over 12 years, the A412/120 FT is a future-proof solution for stationary energy storage.Features  ModelSonnenschein A412/120 FT ApplicationStandby / UPS / Telecommunications TechnologyLead gel (dryfit®) Rated voltage (V)12 Capacity (Ah)120 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)556 x 125 x 316 ConnectionM8 internal thread (front connection) Weight (kg)approx. 47.5  FAQs about the Sonnenschein A412/120 FT gel traction batteryWhat are the advantages of the front-terminal design?The connections at the front make installation and maintenance easier, especially in battery cabinets and racks.How long is the service life of the battery?The design life is over 12 years according to EUROBAT classification "Very Long Life".Can the battery be transported?Yes, ready-to-use blocks are not subject to transport restrictions (IATA, DGR, A67)What capacity distinguishes this gel battery?The Sonnenschein A412/120 FT has a nominal capacity of 120 Ah (C10).How big is the battery, how heavy is it and how is the connection made?With dimensions of 548 × 115 × 275 mm and a weight of approx. 40 kg, the battery is compact and manageable. The connection is via front-terminal M8 threaded studs, which makes installation and wiring much easier.What advantages does dryfit® gel technology offer in terms of maintenance, safety and the environment?It guarantees maintenance-free operation (no topping up), has very low gas emissions thanks to internal recombination, is leak-proof, protected against deep discharge and has low self-discharge. The battery is durable, fully recyclable and environmentally friendly thanks to its low CO₂ footprint. In addition, it can, if necessary, be used in harsh environments and transported without restrictions (e.g. IATA DGR A67).For which applications is the A412/120 FT particularly suitable?The battery is predestined for applications with high requirements for reliability and space optimisation, such as telecommunications, UPS systems, emergency power systems, security and railway technology, and for integration in 19- or 23-inch racks.

The Sonnenschein A406/165 A is an absolutely maintenance-free lead-gel block battery that has been developed for the highest demands on operational reliability and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a rated voltage of 6V and a capacity of 165 Ah, it is the ideal energy source for fail-safe emergency power supplies in telecommunications, industrial plants and safety-relevant systems.Highlights at a glanceSuperior Dryfit® Gel technology: Absolutely maintenance-free over the entire lifetime, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use under demanding conditions.Low self-discharge: High shelf life and always ready for use in an emergency.Maximum security of supply for critical infrastructureThe Sonnenschein A406/165 A is the specialist for standby parallel operation (standby use), where immediate and reliable energy transfer is crucial in the event of a mains failure. Its main areas of application are uninterruptible power supplies (UPS), telecommunications and IT systems, emergency and safety lighting systems, as well as power supply in power stations, substations and railway installations. Wherever a power failure would have serious consequences, this battery provides the necessary security.Proven Dryfit® Gel TechnologyThe Dryfit® Gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes the operation particularly safe and efficient, without the need to top up with water.Developed for longevity and reliabilityThe A400 series was developed for maximum cost-effectiveness over the entire service life. The extremely long service life of 12 years and more significantly reduces the need for expensive and laborious battery replacement in fixed installations. The high manufacturing quality and the use of high-purity materials ensure consistent performance and thus contribute to the high operational safety of the entire system. Features  ModelSonnenschein A406/165 A ApplicationStandby / UPS / Safety lighting TechnologyLead-gel (dryfit®) Rated voltage (V)6 Capacity (Ah)165 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)244 x 190 x 275 ConnectionStandard Autopole (SAE) Weight (kg)approx. 32.0  FAQs about the Sonnenschein A406/165 A lead-gel batteryWhat is the main advantage of Dryfit® Gel technology?The crucial advantage is the combination of absolute maintenance-free operation, highest cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer very consistent performance over a long period, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct maintenance charging).What is the difference between a standby battery and a starter or solar battery?A standby battery like this one is optimised for standby parallel operation. It is permanently kept at a constant voltage (maintenance charge) and only rarely needs to supply energy. A starter battery is designed for short-term high currents. A solar battery (cycle battery) is optimised for daily, deep discharges and recharges.How must this lead battery be disposed of?Lead batteries contain environmentally harmful substances and must not be disposed of with household waste. You can return your old battery to any retailer selling new batteries or to municipal recycling centres free of charge to ensure proper disposal.

The Sonnenschein A412/65 F10 is an absolutely maintenance-free lead-gel block battery that has been developed for the highest demands on operational reliability and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 65 Ah, it is the ideal energy source for fail-safe emergency power supplies in security technology, UPS systems and medical technology.Highlights at a glanceSuperior Dryfit® Gel technology: Absolutely maintenance-free over the entire service life, maximum reliability, and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use in demanding conditions.Low self-discharge: High shelf life and always ready for use in an emergency.Maximum security of supply for critical infrastructureThe Sonnenschein A412/65 F10 is the specialist for standby parallel operation (standby use), where an immediate and reliable power supply is crucial in the event of a mains failure. Its main areas of application are uninterruptible power supplies (UPS) for computer and server systems, emergency and security lighting systems, fire detection and alarm systems as well as the power supply in hospitals and telecommunications systems.Proven Dryfit® Gel technologyThe Dryfit® Gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient without the need to top up with water.Developed for longevity and reliabilityThe A400 series was developed for maximum efficiency over the entire service life. The extremely long service life of 12 years and more significantly reduces the need for costly and time-consuming battery replacements in permanently installed systems. The high manufacturing quality and the use of high-purity materials ensure constant performance and thus contribute to the high operational reliability of the entire system. Features  ModelSonnenschein A412/65 F10 ApplicationStandby / UPS / Telecommunications TechnologyLead gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)65 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)353 x 175 x 190 ConnectionF10 (M8 internal thread) Weight (kg)approx. 25.0  FAQs about the Sonnenschein A412/65 F10 lead-gel batteryWhat is the main advantage of Dryfit® Gel technology?The decisive advantage is the combination of absolute maintenance-free operation, maximum cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer very constant performance over a long period of time, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct trickle charging).What is the difference between a standby battery and a starter or solar battery?A standby battery such as this is optimised for standby parallel operation. It is permanently kept at a constant voltage (float charge) and only rarely needs to supply energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily, deep discharging and recharging.How should this lead-acid battery be disposed of?Lead-acid batteries contain substances that are harmful to the environment and must not be disposed of in household waste. You can return your old battery free of charge to any retailer selling new batteries or to municipal recycling centres to ensure proper disposal.

The Sonnenschein A412/50 G6 is an absolutely maintenance-free lead-gel block battery developed for the highest demands on operational reliability and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® Gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 50 Ah, it is the ideal energy source for fail-safe emergency power supplies in security technology, UPS systems, and medical technology.Highlights at a glanceSuperior Dryfit® Gel technology: Absolutely maintenance-free throughout the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) in accordance with Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use under demanding conditions.Low self-discharge: High shelf life and always ready for use in case of emergency.Maximum supply security for critical infrastructureThe Sonnenschein A412/50 G6 is the specialist for standby parallel operation, where immediate and reliable energy transfer is crucial in the event of a mains failure. Its main areas of application are uninterruptible power supplies (UPS) for computer and server systems, emergency and safety lighting systems, fire alarm and security systems, as well as power supply in hospitals and telecommunications systems.Proven Dryfit® Gel technologyThe Dryfit® Gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This makes the battery not only absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient, without the need to refill with water.Developed for longevity and reliabilityThe A400 series was developed for maximum efficiency over the entire service life. The extremely long service life of 12 years and more significantly reduces the necessity for costly and extensive battery replacements in fixed installations. The high manufacturing quality and the use of highly pure materials ensure consistent performance and thus contribute to the high operational reliability of the entire system. Features  ModelSonnenschein A412/50 G6 ApplicationStandby / UPS / emergency lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)50 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)278 x 175 x 190 ConnectionG6 (M6 internal thread) Weight (kg)approx. 21.0  FAQs about the Sonnenschein A412/50 G6 lead-gel batteryWhat is the main advantage of Dryfit® Gel technology?The decisive advantage is the combination of absolute maintenance-free operation, highest cycle stability, and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer very consistent performance over a long period of time, making them the premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct float charging).What is the difference between a standby battery and a starter or solar battery?A standby battery like this is optimised for standby parallel operation. It is permanently maintained at a constant voltage (float charge) and only rarely needs to deliver energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily, deep discharging and recharging.How must this lead-acid battery be disposed of?Lead-acid batteries contain environmentally hazardous substances and must not be disposed of in household waste. You can return your old battery free of charge to any retailer selling new batteries or to municipal recycling centres to ensure proper disposal.

The Sonnenschein A406/165 F10 is a high-quality industrial battery from the A400 series based on proven dryfit® gel technology. It combines long service life, reliable performance, and excellent value for money. With 165 Ah (C10), it is the ideal solution for uninterruptible power supplies, telecommunications, emergency lighting, and many other stationary applications.Highlights at a glance6 V block battery with 165 Ah (C10, 1.80 V/Z, 20 °C)Design life: 12 years and longer (EUROBAT “Long Life”)Maintenance-free: VRLA gel technology (no topping up with water necessary)Very low self-discharge – up to 2 years storage at 20 °CReinforced grid plates made of lead-calcium alloy for high corrosion resistancePowerful for critical applicationsThe A406/165 F10 has been specially developed for applications in telecommunications, UPS systems, and safety and emergency lighting. It ensures reliable power supply, even during extended bridging periods, thanks to its high load capacity.Efficiency and safety in operationThanks to dryfit® gel technology and gas recombination, the battery operates with extremely low maintenance and low gas emissions. This reduces operating costs and enables safe use even in sensitive environments.Robust design for long service lifeThe A406/165 F10 gel battery is distinguished by a stable construction, deep-discharge-proof technology, and reinforced grid plates. These features ensure a service life of over 12 years and meet the highest standards of reliability and safety. Features  ModelSonnenschein A406/165 F10 Battery typeVRLA lead gel (dryfit) Nominal voltage (V)6 Capacity (Ah)165 (at 10h rate) Short-circuit current (A)3100 Charging voltage (float charge)6.75V (at 20°C) Charging voltage (boost charge)7.05V - 7.20V Design life12 years (EUROBAT: Long Life) Cycle lifeapprox. 800 cycles at 60% depth of discharge MaintenanceMaintenance-free (VRLA gel) Dimensions (L/W/H, mm)310 x 180 x 285 Weight (kg)approx. 32.5 TerminalM10 screw terminal (F10) StandardsIEC 60896-21/-22  FAQs about the Sonnenschein A406/165 F10 VRLA gel batteryFor which applications is the A406/165 F10 suitable?It is ideally suited for emergency power and UPS systems, telecommunications equipment, traffic and security technology, emergency lighting, as well as fire alarm and railway technology.Is the A406/165 F10 maintenance-free?Yes, thanks to the sealed VRLA gel technology the battery is absolutely maintenance-free, no need to top up with water.How long is the service life of the battery?The design life is 12 years and longer in accordance with EUROBAT “Long Life”.Can the gel battery be deeply discharged?Yes, the A406/165 F10 is deep-discharge proof and thus reliable in cyclic applications as well.What are the benefits of dryfit® technology in terms of safety and the environment?This technology ensures maintenance-free operation, is leakproof, very low-gassing, durable, fully recyclable, has a low CO₂ footprint, and can be installed horizontally; it is also not subject to any transport restrictions, e.g. in accordance with IATA A67.

The Sonnenschein A412/180 A is an absolutely maintenance-free lead-gel block battery with very high capacity, developed for ultimate operational safety and extremely long service life in professional standby applications. As part of the globally proven A400-series with Dryfit® gel technology, this battery provides exceptional reliability. With a nominal voltage of 12V and a very high capacity of 180 Ah, it is the ideal energy source for fail-safe emergency power supply in large industrial plants, data centres and safety-critical systems.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free throughout its entire service life, maximum reliability and leakproof.Extreme longevity: Classified as “Long Life” (12 years and beyond) in accordance with Eurobat for maximum investment security.Very high capacity: 180 Ah for maximum bridging times during power failures.High cycle stability and deep-discharge protection: Offers excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use under demanding conditions.Maximum supply security for critical infrastructureThe Sonnenschein A412/180 A is the specialist for standby parallel operation, where immediate and reliable energy supply in the event of a power failure is essential. Its main areas of application are large uninterruptible power supplies (UPS), telecommunication and IT systems, emergency and safety lighting installations as well as energy supply in power plants, substations and railway installations. Wherever power outages would have serious consequences, this battery provides the necessary security.Proven Dryfit® gel technologyThe Dryfit® gel technology, invented and perfected by Sonnenschein, binds the electrolyte in a thixotropic silica gel. This makes the battery not only absolutely leakproof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient—with no need to add water.Engineered for longevity and reliabilityThe A400-series was developed for maximum economy throughout its entire service life. The extremely long service life of 12 years or more significantly reduces the need for costly and time-consuming battery replacements in permanently installed systems. The high manufacturing quality and the use of ultra-pure materials ensure constant performance and thus contribute to the high operational safety of the overall system. Features  ModelSonnenschein A412/180 A ApplicationStandby / UPS / Safety lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)180 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)513 x 275 x 353 ConnectionStandard Autopole (SAE) Weight (kg)approx. 69.0  FAQs about the Sonnenschein A412/180 A lead-gel batteryWhat is the main advantage of Dryfit® gel technology?The key benefit is the combination of absolute maintenance freedom, highest cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and provide very constant performance over a long period, making them the premium solution for critical standby applications.What does the classification “Eurobat Long Life” mean?Eurobat is the association of European battery manufacturers. The “Long Life” classification means that this battery is designed for an expected lifetime of 12 years or more under defined standby conditions (normally 20°C ambient temperature and proper float charging).What is the difference between a standby battery and a starter or solar battery?A standby battery like this one is optimised for standby parallel operation. It is kept permanently at a constant voltage (float charge) and only rarely releases energy. A starter battery is designed for short-term high currents. A solar battery (cycle battery) is optimised for daily deep discharge and recharge.How must this lead-acid battery be disposed of?Lead-acid batteries contain environmentally hazardous substances and must not be disposed of in domestic waste. You can return your old battery free of charge at any dealer selling new batteries or at municipal recycling centres to ensure proper recycling.

The Sonnenschein A412/120 F10 is an absolutely maintenance-free lead-gel block battery, developed for the highest demands on operational reliability and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and high capacity of 120 Ah, it is the ideal energy source for fail-safe emergency power supplies in telecommunications, industrial plants, and safety-relevant systems.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free throughout the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Offers excellent recovery even after deep discharge.Robust construction: Reinforced, impact-resistant housing for use under demanding conditions.Low self-discharge: High storage capability and always ready for use in emergencies.Maximum security of supply for critical infrastructureThe Sonnenschein A412/120 F10 is the specialist for standby parallel operation (standby use), where immediate and reliable power transfer is crucial during a power outage. Its main areas of application are uninterruptible power supplies (UPS), telecommunication and IT systems, emergency and safety lighting systems, as well as power supply in power stations, substations, and railway systems. Wherever a power failure would have serious consequences, this battery provides the necessary reliability.Proven Dryfit® gel technologyThe Dryfit® gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes the operation particularly safe and efficient without the need to refill water.Developed for longevity and reliabilityThe A400 series has been developed for maximum cost-effectiveness throughout its service life. The extremely long service life of 12 years and more significantly reduces the need for expensive and time-consuming battery changes in fixed installations. The high manufacturing quality and the use of highly pure materials ensure consistent performance and thus contribute to the high operational reliability of the overall system. Features  ModelSonnenschein A412/120 F10 ApplicationStandby / UPS / Telecommunication TechnologyLead gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)120 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)513 x 223 x 223 ConnectionF10 (M8 internal thread) Weight (kg)approx. 47.0  FAQs about the Sonnenschein A412/120 F10 lead-gel batteryWhat is the main advantage of Dryfit® gel technology?The decisive advantage is the combination of absolute maintenance-free operation, maximum cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharge and offer very consistent performance over a long period, making them a premium solution for critical standby applications.What does the classification "Eurobat Long Life" mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct trickle charge).What is the difference between a standby battery and a starter or solar battery?A standby battery like this is optimised for standby parallel operation. It is permanently maintained at a constant voltage (trickle charge) and rarely needs to deliver energy. A starter battery is designed for short periods of high current. A solar battery (cycle battery) is optimised for daily deep discharges and recharging.How should this lead-acid battery be disposed of?Lead-acid batteries contain environmentally harmful substances and must not be disposed of with household waste. You can return your old battery free of charge to any retailer selling new batteries or to municipal recycling centres to ensure proper disposal.

The Sonnenschein A412/180 F10 is an absolutely maintenance-free lead-gel block battery with very high capacity, designed for the highest demands on operational safety and extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a very high capacity of 180 Ah, it is the ideal energy source for fail-safe emergency power supplies in large industrial plants, data centres and safety-relevant systems.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free throughout the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and more) according to Eurobat for maximum investment security.Very high capacity: 180 Ah for maximum bridging times during power failures.High cycle stability and deep discharge protection: Offers excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant casing for use under demanding conditions.Maximum supply security for critical infrastructureThe Sonnenschein A412/180 F10 is the specialist for standby parallel operation (standby use), where immediate and reliable energy handover is crucial in the event of power failure. Its main areas of application are large uninterruptible power supplies (UPS), telecommunication and IT systems, emergency and safety lighting systems, as well as power supply in power plants, substations and rail facilities. Wherever a power failure would have serious consequences, this battery offers the necessary safety.Proven Dryfit® gel technologyThe Dryfit® gel technology invented and perfected by Sonnenschein binds the electrolyte in a thixotropic silica gel. This not only makes the battery absolutely leak-proof and maintenance-free, but also ensures excellent cycle stability and a very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient, without the need to add water.Developed for longevity and reliabilityThe A400 series was developed for maximum economic efficiency over the entire lifetime. The extremely long service life of 12 years and more significantly reduces the need for costly and time-consuming battery changes in permanently installed systems. The high manufacturing quality and the use of high-purity materials ensure constant performance and contribute to the high operational safety of the entire system. Features  ModelSonnenschein A412/180 F10 ApplicationStandby / UPS / safety lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)180 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)513 x 275 x 353 ConnectionF10 (M8 internal thread) Weight (kg)approx. 69.0  FAQs about the Sonnenschein A412/180 F10 lead-gel batteryWhat is the main advantage of Dryfit® gel technology?The key advantage is the combination of absolute maintenance-free operation, maximum cycle durability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and offer very constant performance over long periods, making them the premium solution for critical standby applications.What does the "Eurobat Long Life" classification mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected lifetime of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct maintenance charge).What is the difference between a standby battery and a starter or solar battery?A standby battery such as this is optimised for standby parallel operation. It is kept permanently at a constant voltage (maintenance charge) and only rarely must deliver energy. A starter battery is designed for short-term, high currents. A solar battery (cycle battery) is optimised for daily, deep discharge and recharging.How should this lead battery be disposed of?Lead batteries contain substances harmful to the environment and must not be disposed of in household waste. You can return your old battery free of charge to any dealer selling new batteries or to municipal recycling centres to ensure proper recycling.

The Sonnenschein A412/32 A is an absolutely maintenance-free lead-gel block battery, developed for the highest demands on operational safety and an extremely long service life in professional standby applications. As part of the globally proven A400 series with Dryfit® gel technology, this battery offers exceptional reliability. With a nominal voltage of 12V and a capacity of 32 Ah, it is the ideal energy source for fail-safe emergency power supplies in security technology, UPS systems and medical technology.Highlights at a glanceSuperior Dryfit® gel technology: Absolutely maintenance-free over the entire service life, maximum reliability and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Offers excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant housing for use under demanding conditions.Low self-discharge: High storage capability and always ready for use in an emergency.Maximum security of supply for critical infrastructureThe Sonnenschein A412/32 A is the specialist for standby parallel operation (standby use), where immediate and reliable energy supply in the event of a mains failure is crucial. Its main areas of application are uninterruptible power supplies (UPS) for computer and server systems, emergency and safety lighting systems, fire detection and alarm systems, as well as power supply in hospitals and telecommunications facilities.Proven Dryfit® gel technologyThe Dryfit® gel technology, invented and perfected by Sonnenschein, binds the electrolyte in a thixotropic silica gel. This makes the battery not only completely leak-proof and maintenance-free, but also ensures excellent cycle stability and very low self-discharge. The internal gas recombination protects against capacity loss and makes operation particularly safe and efficient without the need to top up with water.Developed for longevity and reliabilityThe A400 series was developed for maximum cost-effectiveness over the entire service life. The extremely long useful life of 12 years and more significantly reduces the need for costly and time-consuming battery replacements in fixed installed systems. The high production quality and the use of high-purity materials ensure consistent performance and thus contribute to the high operational safety of the overall system. Features  ModelSonnenschein A412/32 A ApplicationStandby / UPS / safety lighting TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)32 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)210 x 176 x 174 ConnectionStandard “Autopol” (SAE) Weight (kg)approx. 14.5  FAQs about the Sonnenschein A412/32 A lead-gel batteryWhat is the main advantage of Dryfit® Gel technology?The key advantage is the combination of absolute maintenance-free operation, highest cycle stability and extreme longevity. Compared to AGM batteries, gel batteries are often even more robust against deep discharges and provide very consistent performance over a long period of time, which makes them the premium solution for critical standby applications.What does the "Eurobat Long Life" classification mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is intended for a service life of 12 years or more under defined standby conditions (usually 20°C ambient temperature and correct float charging).What is the difference between a standby battery and a starter or solar battery?A standby battery such as this is optimised for standby parallel operation. It is permanently kept at a constant voltage (float charge) and only rarely needs to deliver energy. A starter battery is designed for short-term high currents. A solar battery (cycle battery) is optimised for daily deep discharge and recharge.How must this lead-acid battery be disposed of?Lead-acid batteries contain substances that are harmful to the environment and must not be disposed of with household waste. You can return your old battery to any retailer who sells new batteries or to municipal recycling depots free of charge to ensure proper disposal.

The Sonnenschein A412/50 F10 is an absolutely maintenance-free lead-gel block battery that has been developed for the highest requirements for operational safety and an extremely long service life in professional standby applications. As part of the globally proven A400 series featuring Dryfit® gel technology, this battery delivers exceptional reliability. With a nominal voltage of 12V and a capacity of 50 Ah, it is the ideal power source for fail-safe emergency power supplies in security technology, UPS systems, and medical engineering.Highlights at a glanceSuperior Dryfit® Gel Technology: Absolutely maintenance-free throughout its entire service life, ultimate reliability, and leak-proof.Extreme longevity: Classified as "Long Life" (12 years and longer) according to Eurobat for maximum investment security.High cycle stability and deep discharge protection: Provides excellent recovery even after deep discharges.Robust construction: Reinforced, impact-resistant casing for use in demanding conditions.Low self-discharge: High storage capability and always ready for use in any emergency.Maximum supply security for critical infrastructureThe Sonnenschein A412/50 F10 is the specialist for standby parallel operation (standby use), where immediate and reliable transfer of energy in case of power failure is vital. Its main areas of application are uninterruptible power supplies (UPS) for computer and server systems, emergency and security lighting systems, fire and alarm systems as well as energy supply in hospitals and telecommunications systems.Proven Dryfit® Gel TechnologyThe Dryfit® gel technology, invented and perfected by Sonnenschein, retains the electrolyte in a thixotropic silica gel. This not only makes the battery fully leak-proof and maintenance-free, but also ensures excellent cycle stability and a very low self-discharge rate. The internal gas recombination protects against capacity loss and ensures particularly safe and efficient operation, without the need for water refilling.H2: Developed for longevity and reliabilityThe A400 series was designed for maximum cost-effectiveness throughout its entire service life. Its extremely long service life of 12 years or more significantly reduces the necessity for costly and tedious battery replacements in permanently installed systems. The high manufacturing quality and the usage of highly pure materials ensure consistent performance and contribute to the high operational safety of the overall facility. Properties  ModelSonnenschein A412/50 F10 ApplicationStandby / UPS / Telecommunications TechnologyLead-gel (dryfit®) Nominal voltage (V)12 Capacity (Ah)50 (C10) Design life> 12 years (Eurobat Long Life) Dimensions (L x W x H in mm)278 x 175 x 190 ConnectionF10 (M8 internal thread) Weight (kg)approx. 21.0  FAQs about the Sonnenschein A412/50 F10 lead-gel batteryWhat is the main advantage of Dryfit® Gel Technology?The decisive advantage lies in the combination of total maintenance freedom, highest cycle stability, and extreme longevity. Compared to AGM batteries, gel batteries are often even more resilient against deep discharges and provide a very consistent level of performance over a long time, making them the premium solution for critical standby applications.What does the "Eurobat Long Life" classification mean?Eurobat is the association of European battery manufacturers. The "Long Life" classification means that this battery is designed for an expected service life of 12 years or longer under defined standby conditions (typically 20°C ambient temperature and correct standby charging).What is the difference between the F10 and the A connection?Both are internally threaded connections. The F10 connection has an M10 thread, while the A connection (or G6) generally features a smaller M6 thread. The F10 connection is designed for applications with higher currents and larger cable cross-sections.How should this lead battery be disposed of?Lead batteries contain substances that are harmful to the environment and must not be disposed of in household waste. You can return your old battery free of charge to any retailer selling new batteries or to municipal recycling centres to ensure proper recycling.

The Sonnenschein A412/90 A is a maintenance-free gel battery from the A400 series. It utilises the proven dryfit gel technology and offers an excellent price-performance ratio for long-term energy storage. This reliable battery is ideally suited for telecommunications and UPS systems, safety lighting, hazard detection technology, as well as various industrial applications.Highlights at a glance12 V block battery with 90 Ah (C10, 1.80 V/Z, 20 °C)Design life: 12 years and longer (EUROBAT "Long Life")Maintenance-free thanks to sealed VRLA gel technology (no need to top up with water)Very low gassing due to internal gas recombinationHigh corrosion resistance thanks to reinforced lead-calcium grid platesPowerful in critical applicationsThe A412/90 A is ideal for applications where an uninterruptible power supply is essential. These include telecommunications, emergency lighting, security systems, UPS systems and other off-grid applications. With 90 Ah capacity, it delivers stable performance even with repeated charging and discharging cycles.Efficiency and safety in operationThe dryfit gel technology reduces the maintenance effort to a minimum. Thanks to gas recombination, the battery is virtually gas-free, making it safe for use in sensitive environments. Its low self-discharge enables a long shelf life.Robust design for long service lifeWith reinforced grid plates made of lead-calcium alloy, the A412/90 A is particularly resistant to corrosion and designed for a service life of more than 12 years. It is resistant to deep discharge and offers maximum reliability even under harsh conditions. Features  ModelSonnenschein A412/90 A Battery typeVRLA lead gel (dryfit) Nominal voltage (V)12 Capacity (Ah)90 (at 10h rate) Short-circuit current (A)1800 Charging voltage (float charge)13.38V - 13.5V (at 20°C) Charging voltage (boost charge)14.1V - 14.4V Operating temperature (°C)-20 ~ 50 Storage temperature (°C)-20 ~ 40 Service life12 years (EUROBAT: Long Life) Dimensions (L/W/H, mm)345 x 172 x 277 Weight (kg)approx. 33.0 ConnectionAutopole (conical) StandardsIEC 60896-21, ISO 9001  FAQs about the Sonnenschein A412/90 A lead batteryFor which applications is the A412/90 A suitable?The battery is ideal for UPS systems, telecommunications, emergency and safety lighting, as well as hazard detection technology.Is the A412/90 A maintenance-free?Yes, thanks to VRLA gel technology, the battery is absolutely maintenance-free and requires no topping up with water.How long is the A412/90 A battery designed for use?It has a design life of 12 years at 20 °C, retaining around 80% of its original capacity after standard C10 use.Can the battery be deeply discharged?Yes, the battery is resistant to deep discharge and reliable even in cyclic operation.What are the dimensions, the weight and the connection of the A412/90 A?The battery measures 286 mm × 269 mm × 230 mm and weighs approx. 33 kg. It is equipped with an A terminal (round terminal), which allows easy integration.