APC RBC2 Replacement Battery

CSB Battery

APC RBC2 replacement battery. The HRL1234W is specifically designed for high efficient discharge applications.  This 12 Volt 9 Amp Hour (34w/cell) High Rate sealed battery can be used up to eight years in standby applications. It is leak proof and maintenance free.


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HRL1234W – 12 Volt 34W (9 AH)  AGM battery

HRL series batteries are High Rate and Long Life.   Designed for high efficient discharge and up to an 8 year life in standby applications such as UPS systems

Maintenance free Deep Cycle AGM (sealed) battery

Leak Proof and Spill Proof – allows for safe operation in any position except inverted

Recognized under UL 1989, and certified by ISO 9001, 14001

HRL1234W data sheet


APC™ RBC2 ™ are registered trademarks of American Power Conversion. Part numbers used herein are for reference purposes only.

Additional information

Weight 5.51 lbs
Dimensions 5.94 × 2.55 × 3.71 in


Amp Hour

9 AH


AGM, Sealed Lead Acid




12 Volts



For UPS Models BK250B, BK280B, BK300C, BK500MC, BK500US, PCPER, BK350, BK500, BK500BLK, BE500R, BE500U, BH500NET, BP500CLR, BP500UC, BP280, BP280C, BP240PNP, BP420S, BP500U, BR500, BK650MC, BR500, BX900R, SU420NET, SUVS420, SC420.