CSB HRL12540W 12V 540W Valve-Regulated Sealed Lead-Acid Battery
The CSB HRL12540W is an HRL series 6V+12V top terminal VRLA-AGM battery, 12Vdc, 540W@15min-rate, 542W/cell at 15 minutes, 838W/cell at 5 minutes, suitable for high-rate float standby applications such as data center uninterruptible power supplies.
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Product Features
- Valve Regulated Lead Acid (VRLA) Battery
- Maintenance-Free, Absorbent Glass Mat (AGM) Technology for Efficient Gas Recombination of up to 99%
- Pure Lead Construction and Proprietary Elements
- Designed for High-Rate UPS, Float Service Standby Power Applications
- Built in Accordance with IEC 60896-21/22:2004 and UL1989 Recognized (MH14533)
Application Scenarios
- Large data center UPS backup
- Cloud computing center HVDC backup
- Financial trading system UPS
- Telecom hub UPS emergency protection
- Industrial automation UPS high-power backup
- Rail transit signal UPS backup
Product parameters
- Model：HRL12540W
- Voltage：12 Vdc
- Nominal Capacity：540W @15min-rate
- Watts per Cell：838 (5-Min 1.67 VPC @ 25°)
- Watts per Cell：542 (15-Min 1.67 VPC @ 25°)
- Max. Charge Current：54 A
- Max. Discharge Current：800 A
- Short Circuit Current：3523 A
- Internal Resistance：2.60 mΩ
- Terminal Type：I2 thread lead alloy terminal to accept M6 bolt
- Terminal Torque：51.7±10.3 Kgf·cm / 44.9±9.0 Lbf·in / 5.10±1.0 N·m
- Container Material：PP (UL 94-HB) standard, flame-retardant (94-V0) available upon request
- Weight：43.90 / 96.76 kg / lb.
- Length (L)：343.0±2.5 / 13.50±0.10 mm / in
- Width (W)：170.0±2.0 / 6.69±0.08 mm / in
- Height (H)：275.7±2.5 / 10.85±0.10 mm / in
- Design Life：Up to 10 years in standby service at 25°C; Eurobat (20°C): >12 years, Very Long Life
- Float Charging Voltage：13.5 - 13.8 Vdc/battery
- Equalizing Charging Voltage：14.4 - 15.0 Vdc/battery
- Operating Temperature：discharge -15°C to 50°C; charge/storage -15°C to 40°C
Product details
The CSB HRL12540W belongs to the HRL series 6V + 12V Top Terminal VRLA-AGM products, with a nominal voltage of 12 Vdc and a nominal capacity of 540W @15min-rate (1.67 VPC @25°C). Its W/cell power is 838 W/cell at 5-Min 1.67 VPC @ 25°C and 542 W/cell at 15-Min 1.67 VPC @ 25°C. The series is officially positioned as a long life, high rate UPS pure lead battery series, aimed at high power data centers and UPS loads, with the official application area being Datacenter UPS, i.e. data center uninterruptible power supply.
In terms of electrical performance, the HRL12540W has a maximum charge current of 54 A, a maximum discharge current of 800 A, a short-circuit current of 3523 A, and an internal resistance of 2.60 mΩ. The float charge voltage is 13.5 - 13.8 Vdc/battery 25°C, and the equalizing charge voltage is 14.4 - 15.0 Vdc/battery 25°C. The nominal operating temperature is 25°C, the discharge temperature range is -15°C - 50°C, and the charge and storage temperature range is -15°C - 40°C. Regarding self-discharge, it is less than 10% after 90 days at 25°C, can be stored for up to 6 months, requires a full charge before use, and should be charged earlier if the storage temperature is above 25°C.
Structurally, the battery adopts a valve-regulated lead-acid (VRLA) design, is maintenance-free absorbed glass mat (AGM) technology, has a gas recombination efficiency of up to 99%, and uses pure lead construction with proprietary elements. The terminal is an I2 thread lead alloy terminal to accept M6 bolt, with a terminal torque of 51.7±10.3 Kgf·cm, 44.9±9.0 Lbf·in, 5.10±1.0 N·m. The case material is PP (UL 94-HB), and a flame-retardant (94-V0) version can be provided upon request. The dimensions are length 343.0±2.5 mm, width 170.0±2.0 mm, height 275.7±2.5 mm, and the weight is 43.90 kg (96.76 lb.).
In terms of design life, it can reach 10 years in float standby service at 25°C, and more than 12 years under Eurobat (20°C) conditions, belonging to Very Long Life. The product is manufactured in accordance with IEC 60896-21/22:2004 and is UL1989 Recognized (MH14533). These characteristics make it suitable for occasions requiring high-rate discharge and float standby such as data center uninterruptible power supplies, and the voltage, temperature, and torque conditions given in the data should be followed during installation and maintenance.
