CyberPower RB1270X2C Replacement Battery Cartridge - 2 X 12 V / 7 Ah Sealed Lead-Acid Battery, 18MO Warranty

Leak-proof casing: Yes User Replaceable: Yes Weight (lbs): 9.7 Battery size: 12V/7Ah Warranty: 18 months Battery type: Sealed lead-acid Dimensions - WxHxD (in): 3.9 x 2.6 x 5.9 OEM certified: Yes Number of batteries: 2