2-Power UPL0744A, 12 V, Black, APC RBC10, Sealed Lead Acid (VRLA), 40000 mAh, 4.41 lbs (2 kg) 2-Power UPL0744A. Battery voltage: 12 V, Product color: Black, Compatibility: APC RBC10. Battery technology: Sealed Lead Acid (VRLA), Battery capacity: 40000 mAh. Weight: 4.41 lbs (2 kg), Width: 5.47" (139 mm), Height: 1.89" (48 mm)