1. Backup battery charger for iPhone, iPod 2.External Battery Charger/Portable Power Bank for APPLE iPhone 3. Handy take, Easy charge Product Parameter: Battery type: Lithium Polymer battery Dimension: 127.5*61.8*19(mm) Weight: 78.8g Color: Black, White Capacity: 1900mAh Input: Micro USB 5V/0.8A Output: 5V/0.5A Charging time: About 3.5 hours Static power consumption: Less than 400?A Operating temperature: -10?-50? Product Description: Strong backup power Lithium Polymer battery, 1900mAh high capacity provides strong power for iPhone 4. Standby time: Up to 296H 2G holding time: Up to 14H; 3G holding time: Up to 7H Wireless internet access: Up to 7.5H Audio playback: Up to 15H Video playback: Up to 6H Long life performance Up to 500 times rechargeable use. Easy operation LED lights will indicate the charging mode. Intelligent management system Advanced and intelligent chips provide over-charging, over-discharging, over-load and short-circuit protection. Power case Perfect protective case…