SWL-EN

The Yuasa SWL750 impresses with its high power density, compact dimensions and reliable performance for industrial applications. It is the ideal solution for systems that need to deliver high energy at short notice and at the same time rely on a long service life.Highlights at a glanceHigh Performance: EUROBAT "High Performance" for up to 12 years of use.High power output: Delivers 750 watts with a 10-minute discharge up to 9.6 V.Compact design: Space-saving with high energy density.Maintenance free: VRLA technology for leak-proof operation.Powerful performance for challenging applicationsThe Yuasa SWL750 is part of the proven SWL series of valve-regulated lead-acid batteries (VRLA). It delivers 750 watts with a 10-minute constant power discharge up to 9.6 V and is ideal for UPS systems, security lighting, telecommunication systems and other applications that require high power at short notice. Its maximum discharge current of 500 A for one second provides the necessary power reserves for sudden load peaks.Efficient energy and long service lifeThe SWL750 is designed for a service life of up to 10 years and fulfils the EUROBAT classification "High Performance" (10 to 12 years). The low self-discharge rate of around 3 % per month ensures that the battery remains ready for use even after long periods of non-use. The robust ABS housing protects the battery from external influences and is optionally available in a flame-retardant FR version (UL94:V0).Robust technology for industrial applicationsThe Yuasa SWL750 can be operated flexibly in almost any installation position, except permanently upside down. The M5 female threaded connections enable safe and easy installation. The recommended charging current for cyclic operation is a maximum of 11.45 A, while no limit is required for float charging.  Low-pressure drain valves ensure safe gas pressure regulation within the cells and guarantee low-maintenance operation. The SWL750 fulfils numerous international standards and certifications, including ISO 9001, ISO 14001, OHSAS 18001 and the IEC standards IEC61056 and IEC60896-21/22.  Battery modelYuasa SWL750 Battery typeVRLA AGM Rated voltage (V)12 Capacity (Ah)25 (at 20h rate) Maximum discharge current300A (for 1 second) Charging voltage (trickle charge)13.65V (±1%) Charging voltage (cycle operation)14.5V (±3%) Operating temperature (°C)Charge: -15 ~ 50 / Discharge: -20 ~ 60 Storage temperature (°C)-20 ~ 50 Service lifeup to 10 years (according to Yuasa design) Dimensions (L/W/H, mm)166 x 175 x 125 Weight (kg)9.6 ConnectionM5 thread CertificationsISO9001, ISO14001, OHSAS18001, IEC 60896-21+22, UL  FAQs about the Yuasa SWL750 lead-acid batteryWhat is the service life of the SWL750?The SWL750 belongs to the EUROBAT class "High Performance" and offers an expected service life of up to 12 years at 20 °C.For which applications is the battery suitable?The SWL750 is particularly suitable for:Uninterruptible power supplies (UPS) Safety and fire alarm systems Telecommunication systems Emergency lighting systemsCan the battery be installed flexibly?Yes, the battery can be installed and operated in any position up to 90 ° from the upright position, but not permanently upside down.What safety features does the SWL750 offer?The battery has a robust housing, low-pressure drain valves for gas pressure regulation and maintenance-free VRLA technology for safe operation.How high is the self-discharge?The self-discharge rate is approx. 3% per month at 20 °C, which means that the battery remains ready for use even during longer downtimes.What connections does the battery have?The SWL750 is equipped with M5 female threaded connections for safe and easy installation.

The YUASA SWL750FR impresses with its compact design, high power density and absolute reliability in safety-critical applications. As a VRLA lead-acid battery with a flame-retardant housing (UL94:V0), it is specially designed for demanding industrial uses such as UPS systems, safety technology and emergency power supplies.Highlights at a glanceHigh power output: Up to 767 watts with 10-minute discharge up to 9.6 VLong-term operation: EUROBAT class “Long Life” with up to 12 years service lifeFast discharge possible: 500 A discharge current for 1 secondReliable technology: VRLA technology with integrated safety valvesFire protection included: Flame-retardant ABS housing according to UL94:V0Compact, powerful and maintenance-freeWith a capacity of 25 Ah (20h rate), the SWL750FR delivers up to 767 W at a 10-minute constant discharge, perfect for applications with a high short-term power requirement. The maintenance-free VRLA technology allows safe and gas-tight operation for many years. Thanks to its robust construction and low weight of only 9.8 kg, the battery can be easily integrated into compact systems.Efficient energy supply with long service lifeThe battery belongs to the EUROBAT “Long Life” category with an operating life of 10 to 12 years at 20 °C ambient temperature. Self-discharge is only about 3% per month, ensuring operational readiness even after long storage periods. With a maximum discharge capacity of 500 A (1 second) and 150 A (1 minute), the SWL750FR is ideally suited for peak loads in safety-critical applications.Flexible installation and certified safetyThe battery can be installed in any position except for permanent overhead mounting. Connection is via M5 female thread or bolt connections. The flame-retardant housing material (UL94:V0) as well as the integrated low-pressure valve, which enables safe overpressure compensation in case of gas formation, provide additional safety. The SWL750FR is certified according to ISO 9001, ISO 14001, EN 18001 and by UL.  ModelYuasa SWL750FR Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)25 (at 20h rate) Maximum discharge current280A (for 5 seconds) Charging voltage (standby charging)13.65V (±1%) Charging voltage (cycle operation)14.7V (±3%) Operating temperature (°C)Charge: -15 ~ 50 / Discharge: -20 ~ 60 Storage temperature (°C)-20 ~ 50 Service lifeUp to 10 years (according to Yuasa design) Dimensions (L/W/H, mm)175 x 166 x 125 Weight (kg)9.2 ConnectionM6 thread CertificationsIEC 60896-21+22, VdS, UL94 V-0  FAQs about the Yuasa SWL750FR lead-acid batteryHow long is the service life of the SWL750FR?The battery corresponds to the EUROBAT “Long Life” class and achieves a service life of up to 12 years at 20 °C.What applications is the SWL750FR suitable for?Ideal for high-current applications such as UPS systems, emergency lighting, telecommunications systems and emergency power supply due to powerful 10-minute output pulse.Is the battery flexibly installable?Yes, the battery can be operated in any position except permanently upside down.What safety functions are included?A flame-retardant housing (UL94:V0), an integrated gas pressure valve and the VRLA technology ensure safe and maintenance-free operation.What is the maximum discharge current?The battery delivers up to 500 A for 1 second and 150 A for 1 minute, making it ideal for applications with short-term power requirements.How high is the self-discharge?Self-discharge is about 3% per month at 20 °C, ideal for systems with seasonal use or extended standby operation.

The Yuasa SWL780V is a compact VRLA high-performance battery with 12 volts and 28.8 Ah (C20). It is characterised by a 10-minute power rating of 815 W per block and offers a combination of high short-term performance and long service life. This battery is ideal for UPS systems, emergency and safety power supplies, data centres, telecommunications as well as industrial control systems.Highlights at a glanceHigh performance: 815 W per block at 10 minutes up to 9.6 V block voltage, alternatively 135.83 W per cell up to 1.6 V per cell at 20 °C.Powerful current output: up to 500 A for 1 second, 150 A for 1 minute.Long service life: EUROBAT High Performance 10 to 12 years, Yuasa service life up to 10 years at 20 °C.Flexible installation: Operation is possible in any orientation except permanently upside down.Low self-discharge: approximately 3 percent per month at 20 °C.Maximum performance for demanding applicationsThanks to low impedance and high short-term current capability, the SWL780V delivers reliable peak performance and keeps the output voltage stable. This makes it ideal for UPS systems with high power density, safety power supplies, communication nodes and buffer applications in critical infrastructures.Efficiency meets long service lifeStandby operation:The float charge voltage is 13.65 V ±1 % per block (2.275 V per cell) at a temperature of 20 °C.Temperature compensation is –3 mV per cell and degree Celsius.Current limitation is not required.Fast charge:The charge voltage is 14.50 V ±3 % per block (2.42 V per cell).Temperature compensation is –4 mV per cell and degree Celsius.The recommended current is 6.125 A.Technology for flexible applicationsThe wide temperature range enables versatile applications: discharge from minus 20 °C to plus 60 °C, charging from minus 15 °C to plus 50 °C, storage from minus 20 °C to plus 60 °C. The robust housing is made of ABS to UL94 HB. Each cell is equipped with a low-pressure valve for safe pressure regulation. VRLA batteries must not be operated in sealed housings, as hydrogen may be generated.Features  ModelYuasa SWL780V Battery typeVRLA AGM (high rate, maintenance free) Nominal voltage (V)12 Capacity (Ah)24 (at 20h rate) Maximum power780 watt per cell (at 15 minutes) Charge voltage (Standby)13.5V to 13.8V Charge voltage (Cyclic)14.4V to 15.0V Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeDesign Life EUROBAT 10-12 years Dimensions (L/W/H, mm)210 x 175 x 175 Weight (kg)10.2 ConnectionM6 thread CertificationsIEC 60896-21+22, UL, VdS  FAQ about the Yuasa SWL780VWhat is the SWL780V designed for?The SWL780V is designed for use in UPS systems and applications requiring high short-term performance. This high-rate VRLA series is classified as "Long Life" (10 to 12 years) according to EUROBAT.What distinguishes SWL from NPL?The SWL series is an advancement of the NPL design and offers an improved energy-to-density ratio. It typically delivers up to 40 percent more high-current discharge capacity. Mechanical and electrical characteristics remain largely compatible.Which discharge data are relevant for high current use?The relevant discharge data for high current use are as follows:Typical constant power: 815 W per block for 10 minutes (up to 9.6 V).Maximum discharge current:500 A for 1 second150 A for 1 minuteInternal resistance: approx. 18 mΩ (according to EN IEC 60896-21)Impedance: approx. 8.5 mΩ (at 1 kHz)What is the expected service life?EUROBAT Long Life batteries have an expected service life of 10 to 12 years. Yuasa batteries have a design life of up to 10 years, each at 20 °C in standby operation.Is the SWL780V also suitable for cyclic applications?It can be used in cyclic operation, but it is primarily designed for standby and high-current discharge. For frequent charge and discharge cycles, cyclic series such as REC or NPC are the better choice.Is the SWL780V suitable as a replacement for standard 12 V-28 Ah blocks?Yes, often it is, provided the dimensions, M5 female thread terminals, charging parameters and required high-current performance match. Please always check the device data sheet and/or the manufacturer's approval.

The Yuasa SWL1100 is a VRLA high-performance battery with 12 volts. It offers an output of 1100 watts per block over 10 minutes and a capacity of 39.6 Ah with a 10-hour discharge. This battery combines high short-term performance with a long service life and is ideal for use in UPS systems, emergency and security power supplies, data centres, telecommunications systems and industrial control systems.Highlights at a glanceHigh Performance: 1100 W per block at 10 minutes up to 9.6 V block voltage, alternatively 183 W per cell up to 1.6 V/cell at 20 °C.Reliable capacity: 39.6 Ah with 10-hour discharge up to 10.8 V.Long service life: EUROBAT High Performance 10 to 12 years, Yuasa service life up to 10 years at 20 °C.Flexible mounting: Can be operated in any position, except permanently upside down.Simple installation: M5 internal thread, recommended tightening torque 2.5 Nm.Low self-discharge: about 3 percent per month at 20 °C.Maximum performance for demanding applicationsThanks to low impedance and high short-term current capability, the SWL1100 reliably delivers peak performance and keeps output voltage stable. This makes it ideal for UPS systems with high power density, safety power supplies, communication nodes and buffer applications in critical infrastructures.Efficiency meets long service lifeFor standby operation, a float charge voltage of 13.65 V ±1 percent per block applies, corresponding to 2.275 V per cell at 20 °C. The temperature compensation is minus 3 mV per cell and degree Celsius. For heavy-duty charging, 14.50 V ±3 percent per block is provided, 2.42 V per cell, with compensation of minus 4 mV per cell and degree Celsius. No current limitation is required for float charging; 9.90 A is recommended for heavy-duty charging.Technology for flexible applicationsThe wide temperature range enables versatile applications: Discharge from minus 20 °C to plus 60 °C, charge from minus 15 °C to plus 50 °C, storage from minus 20 °C to plus 60 °C. Each cell is equipped with a low-pressure valve. VRLA batteries release hydrogen. Do not operate the battery in gas-tight housings and ensure adequate ventilation.Features  ModelYuasa SWL1100 Battery typeVRLA AGM (high load, maintenance-free) Nominal voltage (V)12 Capacity (Ah)26 (at 20h rate) Maximum power1100 watts per cell (at 15 minutes) Charging voltage (float charge)13.5V to 13.8V Charging voltage (cycle operation)14.4V to 15.0V Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeDesign Life EUROBAT 10-12 years Dimensions (L/W/H, mm)205 x 165 x 182 Weight (kg)12.6 ConnectionM6 thread CertificationsIEC 60896-21+22, UL, VdS  FAQ about the Yuasa SWL1100What is the SWL1100 designed for?The SWL1100 is a valve-regulated VRLA AGM battery for applications with high short-term power, especially UPS and other high current standby uses. The SWL series is designed as a high-rate series.How does SWL differ from NPL?The SWL series is a further developed NPL design with improved energy-to-density ratio and up to 40 percent additional discharge capacity at high current discharge, with largely the same mechanical and electrical characteristics. What temperature ranges and self-discharge should be considered?At a temperature of 20 °C, the typical self-discharge is about 3 percent capacity loss per month. In terms of storage, the battery can be stored fully charged at −20 to +60 °C. In operation, the charging range is between −15 and +50 °C, while the discharging range covers −20 to +60 °C.In which position may the battery be operated?Installation and operation are permitted up to 90 degrees from the upright position. Permanent overhead installation is not intended.May the SWL1100 be operated in a closed housing?VRLA batteries emit hydrogen gas, which can form explosive mixtures when combined with air. Therefore, operation in hermetically sealed housings is prohibited. Sufficient ventilation must be ensured.

The YUASA SWL1100FR offers strong power density, compact dimensions and high reliability for industrial applications. It is the ideal lead battery for systems that require a secure energy supply with a space-saving design.Highlights at a glanceLong service life: EUROBAT "Long Life" for up to 12 years of use.High power output: Delivers 1202 watts with 10-minute discharge up to 9.6 V.Compact design: Space-saving with high energy density.Maintenance-free: VRLA technology for safe and leak-proof operation.Powerful performance for industrial applicationsThe YUASA SWL1100FR is part of the proven SWL series of valve-regulated lead-acid batteries (VRLA). It delivers 1202 watts with a 10-minute constant power discharge up to 9.6 V and is ideal for UPS systems, security lighting, telecommunication systems and many other industrial applications. Its maximum discharge current of 500 A for one second ensures that short-term load peaks can be handled without any problem.Efficient energy and long service lifeThe SWL1100FR offers an expected service life of up to 10 years and meets the EUROBAT classification "Long Life" (10 to 12 years). Its low self-discharge of around 3% per month ensures reliable operational readiness even after longer periods of downtime. The flame-retardant ABS housing (UL94:V0) reliably protects the battery against mechanical influences and provides additional safety during operation.Robust technology for versatile applicationsThe SWL1100FR can be flexibly installed in almost any mounting position except for a permanently overhead mounted position. The M5 female thread or bolt connections allow simple and safe installation. The recommended charging current for cyclic operation is a maximum of 9.9 A, while no limitation is required for float charging. Low-pressure relief valves reliably regulate the gas pressure within the cells, ensuring low-maintenance operation. The SWL1100FR meets international standards and certifications, including ISO 9001, ISO 14001, OHSAS 18001 as well as IEC61056 and IEC60896-21/22 standards.  ModelYuasa SWL1100FR Battery typeVRLA AGM Nominal voltage (V)12 Capacity (Ah)41 (at 20h rate) Maximum discharge current680A (short circuit current) Charging voltage (float charge)13.65V (±1%) Charging voltage (cyclic operation)14.5V (±3%) Operating temperature (°C)Charging: -15 ~ 50 / Discharging: -20 ~ 60 Storage temperature (°C)-20 ~ 50 Service lifeup to 10 years (according to Yuasa design) Dimensions (L/W/H, mm)197 x 166 x 174 Weight (kg)15.5 ConnectionM6 thread CertificationsISO9001, ISO14001, OHSAS18001, IEC 60896-21+22, UL  FAQs about the Yuasa SWL1100FR lead-acid batteryWhat is the service life of the SWL1100FR?The SWL1100FR belongs to the EUROBAT "Long Life" class and offers an expected service life of up to 12 years at 20 °C.What is the capacity and voltage of the battery?The SWL1100FR offers a nominal voltage of 12 V and a capacity of 40.6 Ah (C20).What safety features does the SWL1100FR offer?The battery features a flame-retardant ABS housing, low-pressure relief valves for gas pressure regulation as well as maintenance-free VRLA technology.How high is the self-discharge?The self-discharge rate is approx. 3% per month at 20 °C, so the battery remains ready for use even after longer periods of standstill.What connections does the battery have?The SWL1100FR comes with M5 female thread or bolt connections that allow for easy and secure installation.

Yuasa SWL1800FR is a VRLA high-performance battery with 12 volts and 57.6 Ah (C20). It delivers a high short-term output of 1974 W at 10 minutes per block. Thanks to the combination of reliable performance, long service life and a flame-retardant housing, it is the ideal choice for UPS systems, emergency and security power supplies, data centres, telecommunications and industrial control systems. The "FR" in the model designation stands for the flame-retardant housing, which offers additional safety.Highlights at a glanceLong service life: Eurobat Long Life 10 to 12 years, Yuasa Service life up to 10 years at 20 °C.High capacity: 78 Ah with 20-hour discharge up to 1.75 V/cell, 72.1 Ah with 10-hour discharge up to 1.8 V/cell.Strong power output: up to 800 A for 1 second, 500 A for 1 minute.Very low impedance: less than 5 mΩ at 1 kHz for excellent load behaviour.Safe and robust: ABS housing according to UL94 V0, low pressure drain valves.Top performance for demanding applicationsWith its very low impedance and high short-term current capability, the SWL1800FR is ideal for uninterruptible power supply systems with high power density, security power supplies, communication nodes, industrial buffering and critical infrastructures. It reliably delivers peak power and a stable voltage to ensure a secure power supply even in the most demanding applications.Efficiency meets long service lifeFor standby mode, a float charge voltage of 13.65 V ±1 per cent per block (2.275 V per cell) at 20 °C is recommended, supplemented by a temperature compensation of minus 3 mV per cell and degree Celsius. No current limitation is necessary in this charging mode. For heavy charging, 14.50 V ±3 per cent per block (2.42 V per cell) is provided, with compensation of minus 4 mV per cell and degree Celsius. A current limit of 13.75 A is recommended.Technology for flexible applicationsThe wide temperature range enables versatile applications: Discharging from -20 °C to +60 °C, charging from -15 °C to +50 °C and storage from -20 °C to +50 °C. The robust housing is made of flame-retardant ABS in accordance with UL94 V0. Each cell is equipped with a low-pressure valve for safe pressure regulation. VRLA batteries must not be operated in gas-tight housings, as hydrogen gas can be produced in the event of a fault.Characteristics  ModelYuasa SWL1800FR Battery typeVRLA AGM (maintenance-free, flame-retardant) Nominal voltage (V)12 Capacity (Ah)57.6 (at 20h rate) Power (W)1974 (at 10 min. to 9.6V) Charging voltage (trickle charge)13.65V (±1%) Charging voltage (cycle operation)14.5V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeUp to 10-12 years (according to EUROBAT) Dimensions (L/W/H, mm)350 x 166 x 175 Weight (kg)23 ConnectionM6 bolt CertificationsIEC 60896-21+22, VdS, UL94 V-0  FAQs about the Yuasa SWL1800FR batteryWhat is the SWL1800FR designed for?The SWL series is a VRLA series with high discharge capacity. It is ideal for applications such as UPS systems that require high short-term power. This series is designed for a long service life of 10 to 12 years in accordance with EUROBAT.What is the capacity of the battery?The nominal voltage is 12 V, with a capacity of 57.6 Ah at a 20-hour rate (C20) and 55 Ah at the 10-hour rate (C10).How much power does it deliver during high-current discharge?The typical 10-minute constant output is 1974 W per block up to 9.6 V at 20 °C.What temperature ranges and self-discharge should be considered?The recommended temperature ranges are: Storage (fully charged) from -20 °C to +50 °C, charging from -15 °C to +50 °C and discharging from -20 °C to +60 °C. Typical self-discharge is approx. 3 per cent per month at 20 °C.Can the SWL1800FR be operated in a closed housing?No, VRLA batteries emit hydrogen gas in the event of a fault. Ensure adequate ventilation and avoid operation in airtight enclosures.What is the difference between SWL and NPL?The SWL series is an advanced NPL design with an improved energy-to-density ratio and up to 40 per cent additional discharge capacity during high current discharge, making it particularly powerful. 

The YUASA SWL2300FR impresses with high power density, compact design and reliable performance for industrial applications. Manufactured in Great Britain, this lead-acid battery provides a safe power supply for systems that require stable performance even under heavy load.Highlights at a GlanceHigh Performance: EUROBAT "High Performance Commercial" for up to 12 years of service.High Power Output: Delivers 2300 watts at 10-minute discharge down to 9.6 V.Compact Design: Space-saving with high energy density.Maintenance-Free: VRLA technology for safe, leak-proof operation.Strong Performance for Challenging EnvironmentsThe YUASA SWL2300FR is part of the proven SWL range of valve-regulated lead-acid (VRLA) batteries. It delivers an impressive 2300 watts at 10-minute constant power discharge down to 9.6 V and is ideally suited for UPS systems, emergency lighting, telecommunications systems and other industrial applications. With a maximum discharge current of 520 A for one second, it provides a stable power supply even for short load peaks.Efficient Energy and Long Service LifeThe SWL2300FR is designed for a service life of up to 10 years and meets the EUROBAT classification "High Performance Commercial" (10 to 12 years). Its low self-discharge rate of around 3% per month ensures that the battery remains operational even after long periods of inactivity. The housing made of flame-retardant ABS (UL94:V0) reliably protects the battery from external influences and provides additional safety in use.Technology for Industrial High-Performance ApplicationsThe SWL2300FR can be flexibly installed in almost any position, except permanently inverted. The M6 female thread connections ensure safe and simple installation. The recommended charging current for cyclic use is a maximum of 19.5 A, while no limit is necessary for float charge. Low-pressure relief valves reliably regulate the gas pressure inside the cells, ensuring low-maintenance operation. The SWL2300FR complies with international standards and certifications, including ISO 9001, ISO 14001, OHSAS 18001 as well as IEC61056 and IEC60896-21/22.  ModelYuasa SWL2300FR Battery TypeVRLA AGM Nominal Voltage (V)12 Capacity (Ah)78 (at 20h rate) Maximum Discharge Current1300A (short-circuit current) Charging Voltage (Float Charge)13.65V (±1%) Charging Voltage (Cyclic Operation)14.5V (±3%) Operating Temperature (°C)Charge: -15 ~ 50 / Discharge: -20 ~ 60 Storage Temperature (°C)-20 ~ 50 Service Lifeup to 10 years (according to Yuasa design) Dimensions (L/W/H, mm)345 x 166 x 174 Weight (kg)28.5 ConnectionM8 thread CertificationsISO9001, ISO14001, OHSAS18001, IEC 60896-21+22, UL  FAQs about the Yuasa SWL2300FR Lead 12V 78AhWhat is the expected service life of the SWL2300FR?The SWL2300FR belongs to the EUROBAT class "High Performance Commercial" and offers an expected service life of up to 12 years at 20 °C.For which applications is the battery suitable?The SWL2300FR is excellent for UPS systems, emergency lighting, telecommunications installations and other applications requiring a high short-term power output.What safety features does the SWL2300FR offer?The battery features a flame-retardant housing, low-pressure relief valves for gas pressure regulation and a maintenance-free VRLA technology for safe operation.How high is the self-discharge?The self-discharge rate is about 3% per month at 20 °C, so the battery remains ready for use even after long periods of inactivity.Which charging voltages should be observed?For standby operation, a charging voltage of 13.65 V per block (2.275 V/cell) is recommended, for cyclic operation 14.5 V per block (2.42 V/cell) at 20 °C. 

The YUASA SWL 1850 lead-acid battery impresses with a high power density, 66 Ah capacity and excellent reliability for demanding industrial applications. Ideal for systems that rely on constant power supply and high safety reserves.Highlights at a glanceHigh Performance: EUROBAT "High Performance" for up to 12 years of use.High power output: Delivers 1850 watts with a 10-minute discharge up to 9.6 V.Flexible installation: Installation possible in almost any position.Robust safety: Low-pressure relief valves for safe operation.Powerful performance for demanding areas of useThe YUASA SWL1850 is part of the well-established SWL range of valve-regulated lead-acid batteries (VRLA) and provides outstanding performance for short-term high-current applications. With a 10-minute constant power discharge rate of 1850 watts to 9.6 V, it is ideal for UPS systems, safety lighting, telecommunications systems and other critical applications. Its maximum discharge current of 800 A (1 second) gives additional power reserves during sudden peak loads.Efficient energy and long service lifeWith its EUROBAT "High Performance" classification, the SWL1850 achieves a service life of up to 12 years at 20 °C. The low self-discharge of around 3 % per month ensures that the battery remains ready for operation even after extended periods of inactivity. The housing is made of robust ABS plastic and is optionally available in a flame-retardant version (UL94:V0) to meet additional safety requirements.Technology for versatile applicationsThe SWL1850 can be installed in almost any position except permanently upside down. The battery is equipped with M6 female threaded connectors that ensure a secure and stable connection. The recommended charging current for cyclic operation is max. 16.5 A, while no limit is needed for float charging. Low-pressure relief valves reliably regulate the gas pressure within the cells, ensuring safe and low-maintenance operation. The battery meets numerous international standards and certifications, including ISO 9001, ISO 14001, OHSAS 18001 as well as IEC61056 and IEC60896-21/22 standards.  ModelYuasa SWL1850 Battery TypeAGM VRLA (valve-regulated) Nominal Voltage (V)12 Capacity (Ah)66 (at 10h rate) Maximum Discharge Current (A)800 (1 second) ConnectionM6 female thread ApplicationHigh performance battery for UPS systems Dimensions (L/W/H, mm)350 x 166 x 174 Weight (kg)23.8  FAQs about the Yuasa 12V lead-acid batteryWhat is the service life of the SWL1850?The SWL1850 belongs to the EUROBAT "High Performance" class and offers an expected service life of up to 12 years at 20 °C.For which applications is the battery suitable?The SWL1850 is particularly suitable for:Uninterruptible power supplies (UPS) Telecommunications systems Safety and emergency lighting Medical devices Photovoltaic systems Fire alarm and safety systemsCan the battery be installed flexibly?Yes, the battery can be operated in almost any position, except permanently upside down.What safety features does the SWL1850 offer?The battery features a robust case, low-pressure relief valves for gas pressure regulation, and the option of a flame-retardant case (UL94:V0).What is the maximum discharge current?The SWL1850 delivers up to 800 A for 1 second and up to 500 A for 1 minute, making it ideal for short-term high current loads.How high is the self-discharge?The self-discharge is approx. 3 % per month at 20 °C, ensuring the battery remains ready for use even after longer periods of inactivity.

The Yuasa SWL1800 is a VRLA high-performance battery with 12 volts, 57.6 Ah (C20) and 1974 W 10-minute power rating per block. It combines high short-term performance with a long service life and optional flame-retardant housing. Ideal for UPS systems, emergency and safety power supplies, data centres, telecommunications, and industrial control systems.Highlights at a glanceHigh performance: 1974 W per block at 10 minutes up to 9.6 V block voltage, alternatively 329 W per cell up to 1.6 V per cell at 20°C.Strong current output: up to 800 A for 1 second, 500 A for 1 minute.Long service life: EUROBAT Long Life 10 to 12 years, Yuasa service life up to 10 years at 20°C.Easy installation: M6 internal thread or bolt connection, recommended tightening torque 4.8 Nm.Low self-discharge: about 3 percent per month at 20°C.Top performance for demanding applicationsWith its very low impedance and high short-term current capabilities, the SWL1800 is ideal for uninterruptible power supply systems with high power density, safety power supplies, communication nodes, industrial buffering, and critical infrastructures, as it reliably delivers peak performance and stable voltage.Efficiency meets long service lifeFor standby operation, a float charge voltage of 13.65 V ±1 percent per block (2.275 V per cell) at 20°C is recommended, supplemented by temperature compensation of minus 3 mV per cell and degree Celsius. No current limitation is necessary in this charging mode. For high-rate charging, 14.50 V ±3 percent per block (2.42 V per cell) is recommended, with a compensation of minus 4 mV per cell and degree Celsius. A current limitation of 13.75 A is recommended here.Technology for flexible applicationsThe wide temperature range allows versatile use: Discharge from -20°C to +60°C, charge from -15°C to +50°C and storage from -20°C to +50°C. The robust housing is made of ABS to UL94 HB as standard; an FR version to UL94 V0 is also available. Each cell is equipped with a low pressure valve for safe pressure regulation. VRLA batteries must not be operated in gas-tight housings, as hydrogen may be generated.Features  ModelYuasa SWL1800 Battery typeVRLA AGM (high load, maintenance-free) Rated voltage (V)12 Capacity (Ah)42 (at 20h rate) Maximum power1800 Watt per cell (at 15 minutes) Charging voltage (float charge)13.5V to 13.8V Charging voltage (cyclic operation)14.4V to 15.0V Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeDesign Life EUROBAT 10-12 years Dimensions (L/W/H, mm)210 x 175 x 175 Weight (kg)16.3 ConnectionM6 thread CertificationsIEC 60896-21+22, UL, VdS  FAQs about the Yuasa SWL1800 batteryWhat is the SWL1800 designed for?For applications such as UPS that require high short-term performance, the SWL series is a VRLA range with high discharge capacity. This series is designed for a long service life of 10 to 12 years according to EUROBAT.What is the capacity of the battery?The nominal voltage is 12 V, with a capacity of 57.6 Ah at a 20-hour rate and 55 Ah at C10.How much power does it deliver under high current discharge?The typical 10-minute constant power is 1974 W per block up to 9.6 V at 20°C. Temperature rangesWhat temperature ranges and self-discharge should be considered?The recommended temperature ranges are:Storage (fully charged): -20°C to +50°CCharging: -15°C to +50°CDischarging: -20°C to +60°CThe typical self-discharge rate is about 3 percent per month at 20°C.Can the SWL1800 be operated in a closed housing?No, VRLA batteries emit hydrogen gas. Ensure sufficient ventilation and avoid operating in airtight enclosures.What is the difference between SWL and NPL?The SWL series is a further developed NPL design with improved energy-to-density ratio and up to 40 percent additional discharge capacity for high current discharge.

The YUASA SWL2300E impresses with high power reserves, long service life and absolute reliability in industrial use. With 12 V nominal voltage, 78 Ah capacity and a constant power output of up to 2400 watts, this VRLA battery is in the top class among valve-regulated lead-acid batteries. Ideal for UPS systems, security technology, emergency power solutions and industrial control systems.Highlights at a glanceHigh power density: Delivers up to 2400 W with 10-minute discharge down to 9.6 V.Long-term operation: EUROBAT "Long Life" – up to 12 years service life.High discharge current: Up to 520 A for 1 second – ideal for peak loads.Maintenance-free: VRLA technology with reliable gas pressure regulation.Robust & safe: Housing made of ABS (UL94:HB), FR version on request (UL94:V0).Reliable performance for critical systemsThe SWL2300E is part of Yuasa's proven SWL series, developed for the highest demands in industrial environments. With a capacity of 78 Ah (10h rate) and 80 Ah (20h rate) as well as an impressive power output of 2400 W with a 10-minute discharge, the battery is particularly suitable for applications with high load fluctuations and constant power requirements.Thanks to a maximum discharge current of 520 A for 1 second, even critical load peaks can be reliably intercepted. The internal resistance is only 7.71 mΩ in accordance with EN IEC 60896-21.Durable, robust and efficientThe SWL2300E meets the EUROBAT classification "Long Life" (10–12 years) and thus offers a sustainable solution for uninterrupted power supply. The low self-discharge rate of only approx. 3% per month ensures that the battery remains ready for use even after prolonged storage.The maintenance-free operation is based on VRLA technology with integrated safety valves for gas pressure regulation. The robust, flame-retardant ABS housing provides reliable protection against mechanical influences. The FR version with UL94:V0 is available on request.Flexible installation and easy integrationThe SWL2300E can be installed in any position up to 90° tilt to the vertical. The M6 connections with internal thread or stud connection enable simple and safe installation. No current limitation is necessary for float charging, and in cyclic operation the maximum charging current is 19.5 A. The battery is certified to ISO 9001, ISO 14001 and ISO 45001 and meets the highest requirements for quality, environmental management and occupational safety.  ModelYuasa SWL2300E Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)78 (at 20h rate) Maximum discharge current1000A (for 1 second) Charging voltage (float charge)13.65V (±1%) Charging voltage (cyclic operation)14.5V (±3%) Operating temperature (°C)Charge: -15 ~ 50 / Discharge: -20 ~ 60 Storage temperature (°C)-20 ~ 50 Service lifeup to 10 years (according to Yuasa design) Dimensions (L/W/H, mm)260 x 169 x 211 Weight (kg)26.8 ConnectionM6 thread CertificationsIEC 60896-21+22, VdS, UL  FAQs about the Yuasa SWL2300E lead-acid batteryWhat are its dimensions and weight?Dimensions: 261 × 168 × 225 mm (L × W × H), ± tolerances according to manufacturer. Weight: approx. 28–28.3 kg.Which connections are installed?It features temperature-compensated M6 screw connections with a recommended tightening torque of 4.8 Nm.For which applications is the battery suitable?Ideal for UPS systems, telecommunications, security and emergency lighting systems as well as photovoltaic storage thanks to high discharge capacity and long service life.What charging voltages are recommended?Float/standby charging: 13.65 V/block (2.275 V/cell), temperature-compensated –3 mV/°C/cell.Cyclic/boost charging: 14.5 V/block (2.42 V/cell), -4 mV/°C/cell. Float current unlimited, cycle current max. 19.5A.Are safety features integrated?Each cell has a low-pressure relief valve for gas pressure equalisation. In addition, the VRLA technology with almost 100% oxygen recombination reduces gas development. 

The Yuasa SWL2250FR impresses with its high power density, 86 Ah capacity and reliable performance for industrial applications. It is the ideal solution for systems that rely on a secure energy supply and maximum operational safety.Highlights at a glanceHigh Performance: EUROBAT "High Performance Commercial" for up to 12 years of use.High power output: Delivers 2250 watts during a 10-minute discharge to 9.6 V.Flexible installation: Can be installed in almost any position.High safety: With low-pressure relief valves for safe operation.Powerful performance for challenging applicationsThe Yuasa SWL2250FR is part of the proven SWL series of valve-regulated lead-acid batteries (VRLA). It delivers an impressive 2250 watts with a 10-minute constant power discharge to 9.6 V, making it particularly suitable for UPS systems, safety lighting and telecommunications systems. With a maximum discharge current of 800 A for one second, the battery provides a reliable power supply even during sudden load peaks.Efficient energy and long service lifeThanks to its EUROBAT classification "High Performance Commercial", the SWL2250FR achieves a service life of up to 12 years at 20 °C. The low self-discharge rate of around 3% per month ensures high operational readiness even after long periods of inactivity. The robust ABS housing reliably protects the battery and is optionally available in a flame-retardant version (UL94:V0) to meet additional safety requirements.Technology for versatile applicationsThe SWL2250FR can be installed flexibly in almost any position, except for a permanently overhead mounted position. The battery has M8 internal thread connections, which ensure simple and secure connection. For cyclic operation, a maximum charging current of 19 A is recommended, while no limitation is required for float charging. Low-pressure relief valves ensure safe gas pressure regulation inside the cells and guarantee low-maintenance operation. The SWL2250FR meets numerous international standards and certifications, including ISO 9001, ISO 14001, OHSAS 18001 as well as IEC61056 and IEC60896-21/22.  ModelYuasa SWL2250FR Battery typeVRLA AGM Nominal voltage (V)12 Capacity (Ah)86 (at 20h rate) Maximum discharge current1442 A (short-circuit current) Charging voltage (float charge)13.65V (±1%) Charging voltage (cyclic operation)14.5V (±3%) Operating temperature (°C)Charging: -15 ~ 50 / Discharging: -20 ~ 60 Storage temperature (°C)-20 ~ 50 Service lifeup to 10 years (according to Yuasa design) Dimensions (L/W/H, mm)380 x 166 x 174 Weight (kg)28.4 ConnectionM8 thread CertificationsISO9001, ISO14001, ISO45001, UL  FAQs about the Yuasa lead acid battery with 12V and 86AhWhat service life does the SWL2250FR offer?The SWL2250FR belongs to the EUROBAT class "High Performance Commercial" and offers an expected service life of up to 12 years at 20 °C.For which applications is the battery suitable?The SWL2250FR is particularly suitable for:Uninterruptible power supplies (UPS) Telecommunications systems Safety and emergency lighting Medical equipment Photovoltaic systems Fire alarm and security systemsCan the battery be flexibly installed?Yes, the battery can be operated in almost any position, except permanently upside down.What safety features does the SWL2250FR offer?The battery features a robust housing, low-pressure relief valves for gas pressure regulation and the option of a flame-retardant housing (UL94:V0).What is the maximum discharge current?The SWL2250FR delivers up to 800 A for 1 second and up to 500 A for 1 minute, making it ideal for short-term high-current loads.How high is the self-discharge?The self-discharge rate is approx. 3% per month at 20 °C, ensuring the battery remains operational even after longer periods of inactivity.

 The YUASA SWL2500TFR delivers the highest power density, robust construction and reliable energy supply for industrial applications. Manufactured in Taiwan, this lead-acid battery is the ideal solution for systems that require a constant and reliable power supply under high loads.H2: Highlights at a glanceHigh Performance: EUROBAT "Long Life" for up to 12 years of use.High power output: Delivers 2940 watts with 10-minute discharge up to 9.6 V.Reliable under load: Up to 1000 A discharge current for one second.Maintenance-free: VRLA technology for safe, leak-proof operation.H2: Powerful performance for industrial applicationsThe YUASA SWL2500TFR is part of the proven SWL range of valve-regulated lead-acid batteries (VRLA). It provides an impressive 2940 watts with a 10-minute constant power discharge up to 9.6 V and is ideal for UPS systems, safety lighting, telecommunications equipment and industrial control systems. With a maximum discharge current of 1000 A for one second, it offers the highest power reserves for critical peak loads.H2: Efficient energy and long service lifeThe SWL2500TFR offers an expected service life of up to 10 years and meets the EUROBAT classification "Long Life" (10 to 12 years). Its low self-discharge rate of approximately 3% per month ensures the battery remains reliably ready for use even after prolonged periods out of service. The flame-retardant ABS housing (UL94:V0) protects the battery against mechanical influences and provides additional operational safety.Robust technology for versatile applicationsThe SWL2500TFR can be flexibly installed in almost any position, except for a permanently overhead-mounted position. The M6 internal thread or bolt connections enable simple and secure installation. The recommended maximum charging current for cyclic operation is 22.5 A, and there is no restriction required for float charge operation. Low pressure release valves ensure safe gas pressure regulation within the cells, supporting low-maintenance operation. The SWL2500TFR meets international standards and certifications, including ISO 9001, ISO 14001, OHSAS 18001, as well as standards IEC61056 and IEC60896-21/22.  ModelYuasa SWL2500TFR Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)93.6 (at 20h rate) Maximum discharge current1000A (for 1 second) Charging voltage (float charge)13.65V - 13.8V Charging voltage (cyclic operation)14.7V - 14.9V Operating temperature (°C)Charging: -15 ~ 50 / Discharging: -20 ~ 60 Service life (EUROBAT class)10 - 12 years ('Long Life') Dimensions (L/W/H, mm)305 x 173 x 225 Weight (kg)32 ConnectionM6 internal thread Certifications  FAQs about the Yuasa SWL2500TFR lead-acid batteryHow long is the service life of the SWL2500TFR?The SWL2500TFR belongs to the EUROBAT "Long Life" class and offers an expected service life of up to 12 years at 20 °C.For which applications is the battery suitable?The SWL2500TFR is ideal for UPS systems, security lighting, telecommunications equipment and other industrial applications that require high short-term power delivery.Can the battery be flexibly installed?Yes, the battery can be operated in almost any position except permanently overhead.What safety features does the SWL2500TFR offer?The battery has a flame-retardant ABS housing, low pressure relief valves for gas pressure regulation, as well as maintenance-free VRLA technology.How high is the self-discharge?The self-discharge rate is about 3% per month at 20 °C, so the battery remains ready for use even after longer periods of standstill.What connections does the battery have?The SWL2500TFR features M6 internal thread or bolt connections for easy and secure installation. 

The Yuasa SWL4250FR is a VRLA high-performance battery with 12 volts, 150 Ah (C20) and 4266 W 10-minute power rating per block. It combines very high short-term performance with a long service life and flame-retardant housing for maximum operational safety in professional applications.Highlights at a glanceVery high performance: 4266 W per block at 10 minutes up to 9.6 V block voltage, alternatively 711 W per cell up to 1.6 V per cell at 20 °C.High capacity: 150 Ah with 20-hour discharge up to 10.5 V, 140 Ah with 10-hour discharge up to 10.8 V.Long service life: EUROBAT Long Life 10 to 12 years, Yuasa service life up to 10 years at 20 °C.Safe and robust: ABS housing UL94 V0, low pressure relief valves.Flexible installation: Operation in any position, except permanently upside down.Easy installation: M8 female thread or stud connection, tightening torque 6 Nm.Maximum performance for demanding applicationsThe SWL4250FR delivers reliable peak performance thanks to very low impedance and high short-term current capability. This makes it ideal for UPS systems with high power density, emergency and safety power supplies, data centres, telecommunications, industrial controls and buffer storage in critical infrastructures.Efficiency meets long service lifeFor standby operation, a float charge voltage of 13.65 V ±1 percent per block (2.275 V per cell) at 20 °C applies. Temperature compensation is minus 3 mV per cell and degree Celsius. For boost charging, 14.50 V ±3 percent per block (2.42 V per cell) is specified, with compensation of minus 4 mV per cell and degree Celsius.  No current limitation is required for float charging, 35 A is recommended for boost charging. The low self-discharge of about 3 percent per month supports long service life.Technology for flexible applicationsThe wide temperature range enables versatile applications: Discharge from minus 20 °C to plus 60 °C, charge from minus 15 °C to plus 50 °C, storage from minus 20 °C to plus 50 °C. The battery must not be operated in gas-tight housings. Each cell is equipped with a low-pressure relief valve for safe pressure regulation. Characteristics  ModelYuasa SWL4250FR Battery typeVRLA AGM (high load, maintenance-free) Nominal voltage (V)12 Capacity (Ah)95 (at 20h rate) Maximum performance4250 watts per cell (at 15 minutes) Charging voltage (float charge)13.5V to 13.8V Charging voltage (cycle operation)14.4V to 15.0V Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeDesign Life EUROBAT 10-12 years Dimensions (L/W/H, mm)557 x 125 x 307 Weight (kg)65 ConnectionM8 thread CertificationsIEC 60896-21+22, UL, VdS  FAQs about the Yuasa SWL4250FR batteryWhat is the SWL4250FR designed for?For UPS and other applications with high short-term performance requirements. The SWL series is a high-rate VRLA range with EUROBAT Long Life 10 to 12 years.How does SWL differ from NPL?The SWL series is an optimised further development of the NPL series with improved energy-to-density ratio and up to 40 percent additional discharge capacity under high-current discharge.What are the temperature ranges for storage, charging and discharging?Storage fully charged minus 20 to plus 50 °C, charging minus 15 to plus 50 °C, discharging minus 20 to plus 60 °C. Can the battery be operated in a closed housing?No, VRLA batteries emit hydrogen gas. Therefore, they should not be operated in airtight enclosures and sufficient ventilation must be ensured.How is the battery installed?Installation is possible in any position except permanently upside down. Connection is via M8 female thread or stud terminals. Please observe a tightening torque of 6 Nm, correct polarity and sufficient ventilation.Is the housing flame-retardant?Yes, the housing is made of ABS and meets the UL94 V0 classification.