CyberPower RB1290X3L Replacement Battery Cartridge - 3 X 12 V / 9 Ah Sealed Lead-Acid Battery, 18MO Warranty

Leak Proof/Maintenance-free battery characteristics provide dependable charging feasibility with maximum efficiency In terms of cost per watt hours, it is an inexpensive choice providing efficient power With 12 V DC battery, never run out of power and keep your UPS operational at all times Restores the life of UPS that has weakened with internal batteries by adding this powerful battery kit