6 volt 12ah SLA Battery - 3 Pack UPG # D5778 UB6120 F2 6V 12Ah. Pack of 3 Dimensions: 5.94 inches x 1.94 inches x 3.94 inches. Weight: 4.18 Lbs SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty