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- Sealed lead-acid battery
Supplies high surge currents, provides robust power-to-weight ratios, and is cost-effective.
- Maintenance-free battery fluid
Never requires replacement.
- Leak-proof casing
Protects the sealed lead-acid battery and prolongs battery life.
- User-installable cartridge
Allows for quick and convenient installation; each cartridge is pre-assembled.
- Reusable packaging
Provides for conveniently delivering expired batteries to a recycling center. After installing the new cartridge, place the old one in the reusable packaging.
- OEM certified
CyberPower batteries meet or exceed original manufacturer specifications.
The RB1290X4K UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1290X4K contains four 12V/9Ah 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.