Sony CPVLUSB 1400mAh USB Portable Power Supply Never be caught without power to charge your mobile device or digital camera 1400 mAh Li-ion Polymer rechargeable battery provides superior performance and guards against leakage Pre charged and ready to use out of the packaging. No change wait time. Easy charge from your PC with supplied cable or from AC adapter (not included) Compact design for easy transport and charging while on the go