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CyberPower's RB1290X4 UPS replacement battery cartridge restores life to UPS systems with internal batteries that have become weak or completely depleted. The RB1290X4 12V/9AH (qty 4) batteries are 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.