This external backup power battery charger back case for Apple iPhone 4G 4S is not only serves as an external power bank, but also a back case for your Apple iPhone 4G 4S.
- External backup power battery charger back case for Apple iPhone 4G 4S
- Custom fit for the contour of iPhone 4G 4S precisely.
- Back case design to porevent your iPhone 4G 4S from scratches and dust.
- Used for charging your iPhone 4G 4S anytime and anywhere.
- Extend the working time of your cell phone.
- Use the Micro USB sync cable to charge
- With smart switch on the back of case
- Power level indicator
- Capacity: 1350mAh
- Voltage: 3.7V
- Input: 5V, 500mA
- Output: 5V, 500mA
- 1 x Battery Power for iPhone 4 4S
- 1 x Battery
- 1 x Micro USB Cable
- 1 x Replacement fasten accessory