Yuasa Lead-acid battery with 12V and 38Ah - NP38-12I VDS

The Yuasa NP24-12I VdS is an industrial, valve-regulated lead-acid (VRLA) battery with a nominal voltage of 12 V and a capacity of 24 Ah. With leak-proof AGM technology, high current-carrying capacity and VdS approval, this maintenance-free battery is a reliable power source for safety-critical applications such as fire alarm systems, UPS systems or telecommunications systems.Highlights at a glanceReliable capacity: 24 Ah (20h) / 22.3 Ah (10h) at 12 V for a constant power supplyVdS approved: G 182026 for safety-related applicationsHigh peak load: Maximum discharge current up to 500 A for 1 secondMaintenance-free: AGM technology with > 99% gas recombinationFlexible installation: Internal threaded or bolt connections (M5) with a tightening torque of 2.45 NmHigh-performance solution for critical systemsWith a nominal capacity of 24 Ah (20-hour discharge to 1.75 V/cell) and 22.3 Ah (10-hour discharge to 1.8 V/cell), the NP24-12I delivers a reliable and stable power supply – even during sudden load peaks of up to 500 A. Ideal for emergency power supplies, security technology and communication systems where reliability is of the utmost importance.Robust technology with high operational reliabilityThe maintenance-free AGM (Absorbent Glass Mat) technology completely binds the electrolyte within the separator, meaning there is no free electrolyte present. With gas recombination of over 99% and self-closing safety valves, the battery is safe in operation and requires no topping up. The low self-discharge rate of approx. 3% per month makes it particularly suitable for long-term storage. The housing, made of robust ABS plastic, complies with the UL94:HB standard; a flame-retardant version in accordance with UL94:V0 is available upon request.Features  ModelYuasa NP24-12I VdS Battery typeVRLA AGM (cycle-resistant, maintenance-free) Nominal voltage (V)12 Capacity (Ah)24 (at a 20-hour rate) Maximum discharge current240A (for 5 seconds) Charging voltage (trickle charge)13.65V (±1%) Charging voltage (cyclic operation)14.7V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeHigh cycle life Dimensions (L/W/H, mm)175 x 166 x 125 Weight (kg)8.6 ConnectionM5 thread CertificationsIEC 60896-21+22, UL, VdS  FAQs on the Yuasa 12V 24Ah lead-acid batteryWhat applications is the NP24-12I suitable for?It is ideal for fire alarm systems, UPS systems, emergency lighting, telecommunications, security technology and PV backup systems.What is the typical service life in standby mode?The NP24-12I offers a service life of up to 5 years at 20 °C and is classified as ‘Standard Commercial’ according to EUROBAT.What type of connection is used?Internal threads or bolt connections (M5) with a tightening torque of 2.45 Nm ensure a secure and vibration-resistant connection.Is the battery truly maintenance-free and leak-proof?Yes. VRLA technology with gas recombination and valve-regulated design. Each cell has a low-pressure valve. yuasa.deIn what orientation may the NP24-12I be mounted?Installation and operation are possible at angles of up to 90 degrees from the upright position. Permanent overhead installation is not intended.What charging voltages must be observed and what is the maximum permissible charging current?Float charge at 20 °C 13.65 V per block. Cyclic charging at 20 °C 14.5 V per block. Temperature compensation float approx. −3 mV per cell and °C, cyclic approx. −4 mV per cell and °C. Cyclic charging current up to 6 A.Can the battery be operated in a sealed enclosure?No, VRLA batteries can release hydrogen gas. Installation in airtight enclosures is not permitted and adequate ventilation must always be ensured. 

The Yuasa NP17-12I VDS is an industrial, valve-regulated lead-acid (VRLA) battery with a nominal voltage of 12 V and a capacity of 17 Ah (20h). Thanks to leak-proof AGM technology, high current-carrying capacity and VdS certification, this maintenance-free battery is particularly suitable for safety-critical applications such as fire alarm systems, UPS systems or telecommunications.Highlights at a glanceHigh capacity: 17 Ah (20h) / 15.7 Ah (10h) at 12 V for continuous power supply.VdS approved: G 197022 for safety-critical applicationsHighly resilient: Up to 500 A discharge current for 1 second.Maintenance-free: VRLA-AGM technology with > 99% gas recombination.Robust design: Internal thread or bolt connection (M5) for secure mounting.Long-lasting: EUROBAT class “Standard Commercial” with a service life of up to 5 years.High-performance solution for critical systemsWith a capacity of 17 Ah (20-hour discharge to 1.75 V/cell) or 15.7 Ah (10-hour discharge to 1.8 V/cell), the NP17-12I delivers a reliable power supply, even during sudden load peaks of up to 500 A for 1 second. Ideal for use in safety-critical applications where consistent performance and operational reliability are essential.Robust technology with a long service lifeThe maintenance-free AGM (Absorbent Glass Mat) technology ensures a gas-tight seal with > 99% gas recombination. The battery requires no electrolyte top-up and features self-closing low-pressure vent valves for safe pressure regulation. Self-discharge is only approx. 3% per month, ideal for long-term standby. The housing is made of durable ABS plastic (UL94:HB), and a flame-retardant version in accordance with UL94:V0 is optionally available. The connections with M5 internal thread or bolts allow for stable and secure mounting with a tightening torque of 2.45 Nm.Features  ModelYuasa NP17-12I VDS Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)17 (at 20h rate) Maximum discharge current170A (for 5 seconds) Charging voltage (float charge)13.65V (±1%) Charging voltage (cyclic operation)14.7V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeUp to 5 years (according to Yuasa design) Dimensions (L/W/H, mm)181 x 76 x 167 Weight (kg)6.6 ConnectionM5 thread CertificationsIEC 60896-21+22, VdS, UL  FAQs on the Yuasa 12V 17Ah lead-acid batteryWhat applications is the NP17-12I suitable for?The NP17‑12I is a maintenance-free 12 V / 17 Ah AGM‑VRLA battery with VdS approval, which is ideal for UPS systems, emergency lighting, alarm and security technology, telecommunications, medical equipment and PV backup systems.How long does the battery last?The NP17-12I offers a service life of up to 5 years at 20 °C and is classified as ‘Standard Commercial’ according to EUROBAT.How safe is operation?The battery is maintenance-free, has self-closing vent valves for gas pressure regulation and a robust housing. Installation is possible in any position except permanently upside down.What type of connection is used?The battery is equipped with M5 internal threads or bolt connections, ideal for a stable and vibration-resistant connection.How should the NP17‑12I be charged correctly?Float charging voltage (20 °C): 13.65 V (≈ 2.275 V/cell), temperature compensation –3 mV/cell/°CBoost/cycle charge: 14.5 V (≈ 2.42 V/cell), compensation –4 mV/cell/°CMax. charging current in cycle mode: approx. 4.25 A (~0.25 C)What temperature ranges and storage conditions must be observed?Charging: −15 °C to +50 °CDischarging: −20 °C to +60 °CStorage (fully charged): −20 °C to +60 °CSelf-discharge: approx. 3 % per month at 20 °C

The Yuasa NP12-12 VDS is a high-quality, valve-regulated lead-acid (VRLA) battery with a nominal voltage of 12 volts and a capacity of 12 Ah. Featuring maintenance-free AGM technology and VdS certification, this battery provides a reliable and long-lasting power supply for safety-critical and industrial applications. Whether in standby mode or in cyclic use, the NP12-12 meets the highest quality and safety standards.Highlights at a glanceHigh capacity: 12 Ah at 12 V for a long-lasting power supply.VdS approved: G 189170 for safety-related applicationsMaintenance-free: Leak-proof AGM technology with > 99% gas recombination.High current-carrying capacity: Up to 360 A discharge current for 1 second.Flexible installation: Operation in all positions (except permanently upside down).Long-lasting: EUROBAT class “Standard Commercial” with a service life of up to 5 years.High performance for safety-critical applicationsThe NP12-12 delivers 12 Ah during a 20-hour discharge (down to 1.75 V/cell) and 11.1 Ah during a 10-hour discharge (down to 1.8 V/cell). With a maximum discharge current of 360 A for 1 second and 75 A for 1 minute, this battery is also ideally suited to short-term power peaks.Robust technology for demanding environmentsThanks to VRLA (Valve Regulated Lead Acid) technology with an AGM (Absorbent Glass Mat) system, the NP12-12 is completely maintenance-free and leak-proof. The battery features self-closing low-pressure relief valves for safe pressure equalisation within the cells. The internal resistance is 44.39 mΩ in accordance with EN IEC 60896-21, and the short-circuit current is 320 A. The low self-discharge rate of approx. 3% per month allows for long-term storage whilst maintaining a high state of readiness. The robust ABS housing can also be supplied in a flame-retardant version (UL94:V0) on request.Features  ModelYuasa NP12-12 VDS Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)12 (at 20h rate) Maximum discharge current120A (for 5 seconds) Charging voltage (float charge)13.65V (±1%) Charging voltage (cyclic operation)14.7V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeUp to 5 years (according to Yuasa design) Dimensions (L/W/H, mm)151 x 98 x 94 Weight (kg)4.0 ConnectionFaston 6.3mm CertificationsIEC 60896-21+22, VdS, UL  FAQs on the Yuasa NP12-12 lead-acid batteryWhat applications is the NP12-12 suitable for?The battery is ideal for:VdS-compliant fire and intruder alarm systemsUninterruptible power supplies (UPS)Emergency lightingTelecommunicationsControl and regulation technologyMedical technology devicesIs the battery maintenance-free?Yes, thanks to AGM technology, the battery is completely maintenance-free and leak-proof.What is the service life of the NP12-12?The service life is up to 5 years at 20 °C and corresponds to the EUROBAT category “Standard Commercial”.Can the battery be installed flexibly?Yes, the battery can be operated in all positions, with the exception of a permanently upside-down mounted position.Which charging parameters (float vs cycle) apply?Float charging voltage (20 °C): approx. 13.65 V (2.275 V/cell), compensation –3 mV/cell/°CBoost/cycle charge: approx. 14.5 V (2.42 V/cell), compensation –4 mV/cell/°CCyclic charging limit: max. 3 A (~0.25 C)What temperature ranges and storage conditions apply?Charging: −15 °C to +50 °CDischarging: −20 °C to +60 °CStorage (fully charged): −20 °C to +60 °CSelf-discharge: approx. 3% per month at 20 °C

The XCELL XP18-12 is a high-performance, maintenance-free lead-acid battery renowned for its reliability and longevity. Based on proven AGM (Absorbent Glass Mat) technology, this battery offers a nominal voltage of 12 V and a capacity of 18 Ah. It has been specially developed for demanding stationary and cyclic applications where a constant and reliable power supply is crucial. Thanks to its sealed VRLA design, it is leak-proof and can be operated in any position.Highlights at a glanceReliable performance: 18 Ah capacity at 12 V, which corresponds to a total energy of 216 Wh.Long-lasting: Designed for a service life of up to 5 years in accordance with the Eurobat classification.Maintenance-free: VRLA AGM technology eliminates the need for topping up with water.Safe and flexible: Fully sealed, leak-proof and suitable for installation in any orientation.Low self-discharge: Ideal for standby operation and seasonal use.VdS approved: G 115072 for safety-related applicationsReliable power for critical applicationsThe XCELL XP18-12 is the ideal power solution for systems where reliability is paramount. With its standard dimensions of 181 x 77 x 167 mm and a weight of approximately 5.4 kg, it can be easily integrated as a replacement for existing batteries in a wide range of devices. Its primary applications include uninterruptible power supplies (UPS), security and alarm systems, emergency lighting systems, and applications in medical and rehabilitation technology. The wide operating temperature range ensures stable performance even under demanding environmental conditions.Efficiency and safety thanks to AGM technologyThe AGM technology of the XCELL XP18-12 binds the electrolyte within a glass fibre mat. This design not only prevents acid leakage but also ensures high vibration resistance and excellent cycle stability compared to conventional lead-acid batteries. As no gassing occurs during normal operation, the battery can be used safely indoors and in enclosures without special ventilation. This maximises user safety and reduces maintenance requirements to a minimum.Proven and robust lead-acid AGM technologyUnlike open lead-acid batteries, the XP18-12 is valve-regulated and sealed thanks to its VRLA (Valve Regulated Lead Acid) design. This enables internal gas recombination and ensures consistently high performance throughout the entire service life. The lead-calcium grid plates used contribute to a very low self-discharge rate, making the battery ideal for standby operation or for applications with prolonged periods of inactivity.Features  ModelXCELL XP18-12 VdS Battery typeVRLA AGM (security technology) Nominal voltage (V)12 Capacity (Ah)18 (at a 20-hour rate) Maximum discharge current270A (for 5 seconds) Charging voltage (trickle charge)13.5V - 13.8V Charging voltage (cyclic operation)14.4V - 15.0V Operating temperature (°C)Charging: 0 ~ 40 / Discharging: -20 ~ 50 Storage temperature (°C)-20 ~ 40 Service lifeup to 10 years (EUROBAT: High Performance) Dimensions (L/W/H, mm)181 x 77 x 167 Weight (kg)approx. 5.6 ConnectionM5 screw connection CertificationsVdS, ISO9001, CE, UL  FAQs on the XCELL XP18-12 lead-acid batteryWhat does the term AGM mean?AGM stands for "Absorbent Glass Mat". In this technology, the battery electrolyte is bound within a glass fibre mat. This makes the battery leak-proof, maintenance-free and highly resistant to vibrations.What applications is the XP18-12 battery suitable for?The battery is ideal for uninterruptible power supplies (UPS), alarm systems, fire alarm control panels, emergency lighting systems, as well as for medical and rehabilitation equipment such as patient lifts or electric wheelchairs.What is the expected service life of the battery?The XCELL XP18-12 is designed for a service life of up to 5 years in standby mode in accordance with the Eurobat classification. The actual service life depends heavily on the application, operating temperature and depth of discharge.Can multiple XP18-12 batteries be connected together?Yes, you can connect several batteries of this type together. For a higher voltage (e.g. 24 V), connect two batteries in series. For a higher capacity, connect the batteries in parallel. Please only use batteries of the same type, age and charge level for this purpose.Is the battery truly maintenance-free?Yes, thanks to its sealed VRLA AGM design, the battery is completely maintenance-free. No top-up of distilled water is required throughout its entire service life.How should the battery be stored when not in use?Please store the battery in a cool, dry place and ensure it is fully charged. Due to the low rate of self-discharge, the charge level should be checked every six months and the battery recharged if necessary to prevent deep discharge. 

The XCELL XP12-12F2 is a reliable, valve-regulated lead-acid battery with 12 volts and a capacity of 12 Ah. With 6.3 mm Faston plug-in terminals, compact dimensions and VdS certification (G120034), it is ideal for safety-critical applications such as fire and burglar alarm systems, UPS systems, and medical and industrial equipment. Its leak-proof AGM technology ensures a maintenance-free and long-lasting power supply.Highlights at a glanceVdS approved: G 120034 for safety-related applicationsCompact design: Measuring just 151 x 98 x 95 mm and weighing approx. 4.1 kgReliable performance: 12 Ah capacity at a 20-hour discharge rateHigh discharge current: Up to 180 A (5 sec.) for peak loadsLong-lasting: Up to 5 years’ service life at 25 °C in standby modePowerful performance for demanding applicationsThanks to its robust construction and consistent current output, the XP12-12F2 is suitable for a wide range of applications: from safety-critical systems and telecommunications to medical equipment. The Faston connectors (6.3 mm) enable seamless integration into existing setups. Even during short-term load peaks, the battery reliably delivers power with a discharge current of up to 180 A for 5 seconds.Efficient energy and reliable service lifeAGM technology ensures maintenance-free operation and high reliability. With a float life of up to 5 years (at 25 °C), the battery is characterised by low self-discharge of less than 3% per month, meaning it is ready for immediate use even after prolonged storage. It also impresses with good performance at extreme temperatures ranging from -15 °C (charging) to +60 °C (discharging).Technology for industrial and safety-critical applicationsThe XP12-12F2 features a flame-retardant ABS housing (in accordance with UL94-HB/UL94-V0) and complies with international standards such as ISO 9001, ISO 14001 and OHSAS 18001. The charging voltage is 2.25 – 2.30 V/cell (equivalent to 13.5 – 13.8 V) in standby mode and 2.45 – 2.50 V/cell (equivalent to 14.7 – 15.0 V) in cycle mode at an ambient temperature of 25 °C. Automatic temperature compensation of –3 to –4 mV/°C/cell is integrated.Features  ModelXCELL XP12-12F2 VdS Battery typeVRLA AGM (security technology) Nominal voltage (V)12 Capacity (Ah)12 (at a 20-hour rate) Maximum discharge current180A (for 5 seconds) Charging voltage (trickle charge)13.5V - 13.8V Charging voltage (cyclic operation)14.4V - 15.0V Operating temperature (°C)Charging: 0 ~ 40 / Discharging: -20 ~ 50 Storage temperature (°C)-20 ~ 40 Service lifeup to 5 years (EUROBAT: Standard Commercial) Dimensions (L/W/H, mm)151 x 98 x 100 Weight (kg)approx. 3.6 ConnectionFaston 250 (6.35 mm) CertificationsVdS, ISO9001, CE, UL  FAQs on the XCELL XP12-12F2 lead-acid batteryHow long does the XCELL XP12-12F2 last in standby mode?Under ideal conditions (25 °C ambient temperature), the expected service life in standby mode is up to 5 years.Is the battery VdS-certified?Yes, the battery has VdS approval with the number G120034 and is therefore suitable for safety-critical applications.What temperature range is the battery suitable for?The battery is designed for a charging range of –15 °C to +50 °C and a discharging range of –20 °C to +60 °C.What is the self-discharge rate?At 25 °C, the battery’s self-discharge rate is less than 3 % per month. It is recommended that the battery be recharged if it has been stored for longer than six months.What charging parameters must be observed?For standby operation, the charging voltage is 13.5–13.8 V. In cyclic operation, it should be 14.7–15.0 V. The temperature compensation is –3 mV/°C/cell in standby operation and –4 mV/°C/cell in cyclic operation.For which applications is this battery particularly suitable?It is suitable for photovoltaic systems, UPS systems, emergency lighting, telecommunications and security technology, alarm and hazard warning systems, as well as for hobby and camping use. However, it is not suitable for starting or traction applications.

The XCELL XP45-12 is a robust lead-acid battery with a nominal voltage of 12 volts and a capacity of 45 Ah (20-hour rate). Thanks to maintenance-free AGM technology, M6 inlay terminals and VdS certification (G115059), this battery is ideal for safety-critical and industrial applications. It impresses with its high discharge capacity, long service life and reliable performance even under demanding conditions.Highlights at a glanceVdS approved: G 115059 for safety-related applicationsHigh capacity: 45 Ah at a 20-hour discharge rate, 27.9 Ah at a 1-hour loadHigh discharge currents: Up to 450 A possible for 5 secondsLong-lasting: Up to 12 years of float life at 25 °CMaintenance-free: AGM technology with leak-proof designReliable: Low self-discharge (< 3%/month)Reliable performance for demanding industrial applicationsThe XP45-12 is characterised by its robust construction and high current output, making it the ideal choice for a wide range of demanding applications. These include uninterruptible power supply (UPS) systems, emergency lighting, telecommunications equipment and medical technology, as well as other industrial applications. Thanks to its M6 connectors (T4/T9), a stable and reliable connection is guaranteed. Even during brief peak loads, the battery reliably delivers up to 450 A of current, underlining its high performance and reliability.Energy efficiency and extended lifespanThe batteries offer a float life of up to 12 years at 25 °C, making them ideal for long-term use in stationary systems. The recommended charging voltage is 13.50–13.80 V in standby mode and 14.50–14.90 V in cyclic operation. The maximum charging current is limited to 13.5 A. Thanks to the temperature-compensated charging characteristics, energy efficiency is maintained even under fluctuating environmental conditions.Technology for maximum operational reliabilityThe flame-retardant ABS housing meets UL94-HB/V0 standards and provides reliable cell protection. Certifications to UL, CE, ISO 9001 and VdS confirm the product’s high manufacturing quality and safety. Self-discharge is less than 3% per month, ensuring reliable operational readiness even during prolonged storage periods.Features  ModelXCELL XP45-12 VdS Battery typeVRLA AGM (security technology) Nominal voltage (V)12 Capacity (Ah)45 (at a 20-hour rate) Maximum discharge current450A (for 5 seconds) Charging voltage (trickle charge)13.5V - 13.8V Charging voltage (cyclic operation)14.4V - 15.0V Operating temperature (°C)Charging: 0 ~ 40 / Discharging: -20 ~ 50 Storage temperature (°C)-20 ~ 40 Service lifeup to 10 years (EUROBAT: High Performance) Dimensions (L/W/H, mm)197 x 165 x 170 Weight (kg)approx. 14.0 ConnectionM6 screw terminal CertificationsVdS, ISO9001, CE, UL  FAQs on the XCELL XP45-12 lead-acid batteryWhat is the battery’s service life?Under optimal environmental conditions (25 °C), the XP45-12 has a service life of up to 12 years in float mode.Is the battery VdS-certified?Yes, the VdS approval with the number G115059 confirms its suitability for safety-critical applications such as fire and burglar alarm systems.What temperature range is the XP45-12 battery designed to withstand?The XP45-12 battery is designed for discharge at –15 °C to +50 °C and charging at –10 °C to +50 °C.What is the self-discharge rate?At 25 °C, self-discharge is less than 3% per month; recharging is recommended after 6 months at the latest.What charging parameters apply?For standby operation: 13.50 – 13.80 V.For cyclic operation: 14.50 – 14.90 V.Temperature compensation: –18 mV/°C (float), –30 mV/°C (cycle).Max. charging current: 13.5 A.What is the cycle life of the XP45-12 battery?The XP45-12 battery can withstand up to 400 charge cycles at a 50% discharge rate.