Universal Power Group UB1290 12V 9Ah 6FM9 Wheelchair Scooter SLA AGM Battery UPG # 40812 UB1290 12V 9Ah Dimensions: 5.94 inches x 2.56 inches x 4.06 inches. Weight: 5.17 Lbs SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty