UPG D5897 - UB650F Lantern - AGM Battery - Sealed Lead Acid - 6 Volt - 5 Ah Capacity - F1 Terminal Dimensions: 2.63 inches x 2.63 inches x 4.00 inches. Weight: 2.06 Lbs UPG #D5897 UB650F 6V 5Ah SLA/AGM maintenance free, spill proof battery Rechargeable battery that can be mounted in any position, resists shocks and vibration 1 Year Warranty