Universal Power Group 12V 22Ah Half U1 Wheelchair Scooter Battery UPG # 40696 UB12220 12V 22Ah Dimensions: 7.13 inches x 3.01 inches x 6.57 inches. Weight: 13.01 Lbs SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty