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APC UPS for Home and Office Forum
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Posted: 2025-08-2504:48 AM
The system comes with a 7 / 7.5 AH 12 VDC battery cartridge (RBC). As such you can purchase any quality (HR) High Rate cell you like.
The OEM APC RBC battery cells come from CSB, Long, Vision, etc. If you peel off the APC RBC sticker you’ll find one of the three brands underneath.
As of this writing you may install the same amp hour (AH) rated cell. Or consider spending more and buying a 9-10 AH (HR) cell to provide you longer operational runtime.