CyberPower RB1270X4E Replacement Battery Cartridge - 4 X 12 V / 7 Ah Sealed Lead-Acid Battery, 18MO Warranty

7000 mAh capacity - Ensures secure power flow 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 Once installed, it requires low maintenance