UB 645 Standard BatteryManufacture ID: HW1013Premium 6-volt lead-acid rechargeable battery. 4.5 amp. Approximately 2 3/4" x 1 13/16" x 3 7/8". Works with all 6-volt Mojo motorized decoys. Specifications:- 6 volt 4.5 amp battery - Rechargeable - Works with all 6 volt Mojo motorized decoys