The RB1250X4 UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1250X4 contains four 12V/5Ah batteries, certified to meet or exceed original manufacturer specifications. This leak-proof, sealed lead-acid battery never requires replacement fluid. The pre-assembled cartridge installs easily into your CyberPower UPS system and is shipped with reusable packaging for delivering expired batteries to a suitable recycling center. The RB1250X4 comes with instructions, recycling information, and an eighteen-month warranty.
UPS Compatibility PR750RT2U
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Additional Information
First Listed on Newegg
March 11, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
Return Policies
Return for refund within: non-refundable
Return for replacement within: non-replaceable
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