CyberPower RB1290X4K - UPS battery - 4 x battery - lead acid - 9 Ah

OEM certified. CyberPower batteries meet or exceed original manufacturer specifications. Maintenance-free battery fluid. Never requires replacement. User-installable cartridge. Allows for quick and convenient installation; each cartridge is pre-assembled. Sealed lead-acid battery. Supplies high surge currents, provides robust power-to-weight ratios, and is cost-effective. 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. Leak-proof casing. Protects the sealed lead-acid battery and prolongs battery life.