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FREE USB CABLE INCLUDED This External Power Battery Pack Air and in tegrated case for iPhone 4 4G is an ideal and powerful companion for your endeared iPhone4. It acts both as a protective case and also as an excellent external battery pack. The potent built-in 1900 mAh Lithium-ion Polymer battery can be engaged using the On/Off switch button at your will and it is able to provide additional talk time by up to 6~7 hours for your iPhone4 and stand time by 5 days. This case is stylish and portable with textured Black non-slip finish: 2 in 1 battery & Docking as well as provides full body coverage for your iPhone4. Features: Smart Battery (Optimized to lengthen your iPhone performance time; No more out of power dilemma during important phone coversations) Full Body Coverage for iPhone4 Lightweight, thin design (Low profile) Non slip comfort grip Automatic tests function High-quality Li-polymer Cell Extended battery pack - 1900 mAh ON/OFF Button for Optional Power Output Control Four LED lights indicates the power level remaining the case (Each light represents 25% of remaining power) Sleek, Low-Profile design ; Rechargeable up to 1000 times Specification: Fully charged in 3 Hours Battery type: Lithium-ion polymer battery (Way better than Lithium-ion batteries). Output voltage: DC 5V Output current: 1900 mh Output: 5V OEM Version/Retail Gift Box Package, iPhone4 USB Cable included. Please make sure to charge your battery case for at least 8 Hours before first use to achieve maximum performance Compatible: For iPhone 4 4G
4G External Rechargeable Backup Battery Charger Case Cover