CyberPower's RB1280A OEM certified UPS replacement battery cartridge restores life to UPS systems with internal batteries that have become weak or completely depleted. The RB1280A 12V/8AH battery is certified to meet or exceed original manufacturer specifications. All replacement cartridges come with leak proof sealed lead acid batteries that are pre-assembled for easy installation into your CyberPower UPS system. Each CyberPower replacement battery cartridge ships with reusable packaging that can be used for delivery of expired batteries to a suitable recycling center. All CyberPower batteries come with an 18-month warranty. Compatible with CP825LCD, CP800AVR, CP825AVR-G, CP825AVRLCD-G, and CP850AVRLCD UPS.