1. powerpump4000 Universal battery charger of 4000 mAh for Smartphones tablets cameras MP3 and MP4 players Technical Information Technical Specifications Input5V 1A Output5V 1A Capacity4000mAh Dimension92x60x29mm Weight140g Battery typeLithium ion Conversion efficiencyAbove 80 Charging time6 hours Battery lifeMore than 500 times Package Contents PowerPump 4000 User s manual 8 languages 2 years warranty card Shipping Information System Requirements Co w ooo S memas S enan S C SSOSCS sSSSSSSSCS ooo o e oon Height C R