4000mAh Mobile phones Portable Battery Charger For iPhone 4 3GS 3G Charger Packaging &delivery Packaging:Original factory box packaging/customized Delivery:5 to15 days depending on quantity of orders after sample confirmed Detailed description 1 4000mah/3.7v bulit-in ATL Polymer Li-Ion Battery 2output Voltage: DC5.5V±0.2V Output current:550-1000mA (Intelligent dynamic output) Charge methods:PC USB port or AC adaper. 3 Compatiable with all cellphone and 5V digital device Feature: 1.This mobile powercan charge for all 5 voltage digital products like mobile phones, MP3,MP4 and PSP,such as: *Five popular brands mobile phones(Nokia,Samsung,SonyEricsson,Siemens,Motorola) *Apple iPod nana,iPod Classic,iPod Touch,Apple iPhone/iPhone 3G/3Gs *Blackberry *Digital Camera,MP3/MP4 player,PDA,GPS,Bluetooth headset,Gaming player(PSP,NDSI etc)portable device. 2. Personalized to design upon clients’ requirement 3. Employs the finest li-polymer battery that produces by global well known ATL COMPANY that can ensure the longevity and security 4. Practical to charge three more times for the mobile phone, as the huge battery content reaches 4000mAh 5. Advanced circus controlling and various protection from over charging, over discharging and short circus, so that your digital products cant be harm any 6. Can compared with iPhone in its style, which is Fashionable and elegant, delicate and fine 7. Particular signal design to show battery volume and charging state Specifications: High capacity built-in polymer battery:4000mAh/3.7V(14.8wh) Battery Type:Polymer Li-ion battery (ATL) Cycle life:>600 times Output Voltage: DC5.5V±0.2V Output current:550-1000mA (Intelligent dynamic output) Charge methods:PC USB port or AC adaper Charge time *By computer charge:about 7 8hours *By wall adapters(5v/1000ma) chare:about 4 5hours Runing Temperature: -10 50 Indicator:Four signal indicator to show the battery volume Input interfcase:DC 3.5 Output interface:USB Protect function:over charging, over discharging, over load, and short circus Dimension:115×60×16mm Weight:125g Standard accessories: 1xUSB convert to DC cable 5xcharge tips 1xUser manual Other connectors and wall adapter are optional according to the clients request