Color Blue + Orange + Multi-Colored Brand PKCELL Model N/A Quantity 4 Piece Material Nickel hydroxide + hydrogen storage alloy + potassium hydroxide Cell Type Ni-MH Battery Model AA Head Type Button Top Mark Capacity 2300 mAh Actual Capacity 2300 mAh Voltage 1.2 V Rechargeable Yes Rechargeable Times Others500 Built-in Protected Circuit No Over Voltage Protection No Short-Circuit Protection No Over-Charging Protection No Over-Discharging Protection No Mercury Free No Certification ISO9001 / ISO14001 / ROHS / REACHCE Packing List 4 x AA 2300mAh Batteries