CyberPower RB1290X6B Replacement Battery Cartridge - 6 X 12 V / 9 Ah Sealed Lead-Acid Battery, 18MO Warranty

Once installed, it requires low maintenance Provides sufficient power to the UPS with a capacity of 9000 mAh It can be chained with multiple battery packs for extended run operation Easily replaceable by the user With 12 V DC battery, never run out of power and keep your UPS operational at all times