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. The RB1290X4K comes with instructions, recycling information, and an eighteen-month warranty.
- 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.
- Eighteen-Month Warranty
Covers defects in materials and workmanship in the product under normal use and conditions within eighteen months of the purchase date. See warranty for details.