... have double function of charger and backup battery. you can charge your device such as mobile phone, game player,ipod,MP3 ... on brand, model, operation)cycle life:>500timesworking temperature:-10°C-+40°Cstorage, shipping temperature:-20°C-+50°Csize:76.8*60 ... ,the connector with short-circuit protection functioncautions:1, don’t charge different digital device on same time. Otherwise, the device would ...