For iPhone External Pack Backup Battery 

Description

1.For iPhone 4 External Battery Charging Case 2.1900mAh lithium ion battery 3.Travel battery for iPhone 4 4.For iPhone 4 case

For iPhone 4 External Battery Charging Case

1. Full body coveage protection for  your Iphone

2. Works as both an extended ipone battery set and a protection case 

3. Ultra slim ophone battery case4. Brand new and super hot!5. Free USB cable included

This External Power Battery Pack Air and integrated 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 conversations)•  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•  Size: 125*62*17.5mm

Specification: Fully charged in 3 HoursBattery type: Lithium-ion polymer battery (Way better than Lithium-ion batteries).Output voltage: DC 5VOutput current: 1900 mAhOutput: 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 performanceCompatible: For iPhone 4 4G 4S

Portalbe backup battery