CyberPower RB12170X4 Replacement Battery Cartridge - 4 X 12 V / 17 Ah Sealed Lead-Acid Battery, 18MO Warranty

Delivers a long lasting charge with the capacity of 17000 mAh Delivers constant 12 V DC to ensure that your UPS is ready to use when needed Restores the life of UPS that has weakened with internal batteries by adding this powerful battery kit Once installed, it requires low maintenance