Battery System: Nickel-Cadmium rechargeable battery Package list: 1*n Sets of rechargeable battery pack "n"means buying qty, i.e. the number filled in the blank of "Quantity" Replace for: N/A Total Size: 25x43x50mm Condition: Brand New Brand: FMA Standard Capacity: 900mAh Standard Voltage: 6V Standard Charge: 15-16hrs at 90mA Quick Charge: 7.5hrs at 180mA Fast Charge : About 90mins at 900mA Discharge Cut off Voltage: 5V Cell Package: PVC heat shrinked Reference Weight: 100g(3.53Oz) Caution! We delivery the item same as the main pictures you saw in general. But if you need special connect and arrangement of battery, please refer to below pictures and tell us which one you need.FMA