CSB HRL12150WGFR 12V 37Ah Sealed Lead-Acid Battery, Flame-Retardant Case

What is the CSB HRL12150WGFR?

The CSB HRL12150WGFR is a 12 V, 37 Ah valve-regulated lead-acid (VRLA) battery with absorbent glass mat (AGM) construction from the CSB HRL series (High Rate, Long Life). It is sealed and maintenance-free: it never needs water.

CSB designs this series for high-rate UPS and float service standby power. This part number has a flame-retardant (UL 94-V0) case as standard.

What are the specifications of the CSB HRL12150WGFR?

Figures published by CSB in the HRL12150WG datasheet (2026 edition), with the CSB price list attributes marked:

Nominal voltage: 12 V
Nominal capacity (CSB price list): 37 Ah
Watts per cell, 15 minutes to 1.67 V/cell, 25 °C: 156 W
Maximum charge current: 15 A
Maximum discharge current: 225 A
Internal resistance: approx. 7.3 mΩ
Terminal: I2 threaded insert for M6 bolt
Container: flame-retardant ABS, UL 94-V0 (this part number)
Flame-retardant case: standard on this part number (CSB price list)
Weight, approx.: 26.34 lb (11.95 kg)
Dimensions (L x W x H): 195.6 x 130 x 174.8 mm (7.7 x 5.12 x 6.88 in)
Case / group size (CSB price list): U1
Design life: up to 10 years in standby service at 25 °C; Eurobat (20 °C) classification: >12 years, very long life
Discharge temperature range: -15 to 50 °C
Float charging voltage: 13.5 – 13.8 V per battery at 25 °C (77 °F)
Equalize / cycle charging voltage: 14.4 – 15.0 V per battery at 25 °C (77 °F)
Standards (CSB datasheet): IEC 61056-1/2:2012, UL1973 Listed (MH66728) and UL1989 Recognized (MH14533)

How much power does the CSB HRL12150WGFR deliver in a 15-minute discharge?

CSB’s constant-current table gives 82.2 A for 15 minutes to 1.67 V/cell at 25 °C, and the constant-power table gives 935 W per battery to the same end voltage. These are the figures to size a UPS or standby string against a 15-minute runtime.

How do I request a quote for the CSB HRL12150WGFR?

Request a quote by the part number HRL12150WGFR. Tell us the quantity you need and, where CSB lists more than one terminal or case option, which one. We confirm price, availability and lead time with the quote.