Color Blue-Black + Silver Brand Panasonic Model CR2450 Quantity 5 Piece Material Lithium Cell Type Lithium Ion Battery Model Others Head Type Flat Top Mark Capacity No mAh Actual Capacity No mAh Voltage 3 V Rechargeable No Rechargeable Times Nonchargable Built-in Protected Circuit No Over Voltage Protection No Short-Circuit Protection No Over-Charging Protection No Over-Discharging Protection No Mercury Free Yes Other Features Total has 5PCS. Commonly used in electronic instruments electronic watch said electronic products Packing List 5 x CR2450 button cells