CSB Battery HRL12540W 12V 540W Valve Regulated Sealed Lead Acid
The CSB HRL12540W provides 12Vdc and belongs to the HRL series of 6V+12V top terminal VRLA-AGM batteries. It delivers 540W at the 15-minute rate, 542W per cell at 15 minutes, and 838W per cell at 5 minutes, primarily serving data center UPS and other applications requiring high-rate float backup.
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Product Features
- VRLA (Valve Regulated Lead Acid) battery
- Maintenance-free, using AGM (Absorbent Glass Mat) technology with up to 99% gas recombination efficiency
- Pure lead construction with proprietary elements
- Designed for high-rate UPS and float charge backup power applications
- Manufactured to IEC 60896-21/22:2004 and certified to UL1989 (MH14533)
Application Scenarios
- Backup power for large UPS in data centers
- Backup power for high-voltage DC systems in cloud computing centers
- Uninterruptible power systems for financial trading
- Emergency power for UPS in telecom hubs
- Backup support for high-power UPS in industrial automation
- Backup power for UPS in rail transit signaling
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 HRL12540W is part of the CSB HRL series, covering 6V and 12V Top Terminal VRLA-AGM products. This battery has a nominal voltage of 12 Vdc and a capacity of 540W at the 15-minute rate (1.67 VPC @25°C). In terms of W/cell, its power reaches 838 W/cell at 5 minutes 1.67 VPC @25°C, and 542 W/cell at 15 minutes 1.67 VPC @25°C. This series is officially defined as a long life, high rate UPS pure lead battery series, designed for high power data centers and UPS loads, with the designated application being data center UPS (Datacenter UPS).
In terms of electrical parameters, the HRL12540W can withstand a maximum charge current of 54 A, a discharge current of 800 A, a short-circuit current of 3523 A, and an internal resistance of 2.60 mΩ. At 25°C, the float charge voltage range is 13.5 - 13.8 Vdc/battery, and the equalization charge voltage is 14.4 - 15.0 Vdc/battery. The nominal operating temperature is 25°C, discharge is allowed from -15°C - 50°C, while charging and storage are limited to -15°C - 40°C. Regarding self-discharge, storage at 25°C for 90 days can maintain within 10%, and storage is possible for up to 6 months; the battery must be fully charged before being put into operation, and if the storage temperature exceeds 25°C, a supplementary charge is required in advance.
In terms of construction, the battery is of the valve regulated sealed lead acid (VRLA) type, using maintenance-free Absorbent Glass Mat (AGM) technology, with a gas recombination efficiency of up to 99%, and is constructed with pure lead and proprietary elements. The terminal specification is I2 thread lead alloy terminal to accept M6 bolt, with torque values 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 is also available upon request. Dimensions: length 343.0±2.5 mm, width 170.0±2.0 mm, height 275.7±2.5 mm; weight 43.90 kg (96.76 lb.).
In terms of design life, it can reach 10 years in float standby mode at 25°C; under the Eurobat (20°C) standard, it exceeds 12 years and is classified as Very Long Life. The product is manufactured in accordance with IEC 60896-21/22:2004 and is UL1989 Recognized (MH14533). With these features, the battery is well suited for applications such as data center UPS that require high-rate discharge and float backup. During installation and maintenance, the voltage, temperature, and torque conditions described in the documentation must be followed.
