Features:

1.Compatible for IPhone5/5S. Enjoy the elegant and functional design of our keluoer 4200 mAh Battery Case.
2. 3-in-1 multifunction: Combines with Power Bank, Case Cover, and Kickstand,4 Led indicators for power balance
3. With a external USB output for charging 2 phones at the same time.
4. Four Led indicators for power balance (0--25%--50%--75%--100%)
5.Integrated circuit design, effectively avoid shorting circuit or overcharge even under extreme conditions of wrong operating

More details:

1.Built in USB Charging Port ,free your hands while enjoying your phone and charging
2.This battery charger case provides your iPhone 5/5S with premium power so that your mobile experience can last longer than ever before.
3.Enjoy doubling your talk, text, and browsing times. Additionally, the battery case provides additional protection against daily wear and tear as well as protection from scratches and scrapes.
4.The charger case has fully functional set of features including LED power level indicators so you can check power remaining at any time, and pass through syncing so that you don't need to remove the battery.

Specifications:
Battery type: Li-polymer
Capacity: 4200mAh
Compatible with: iPhone 5/5S/5C/SE

Package Contains:
1* Battery Charger Case
1* User Manual

Caution
1. Please don't drop it ;please use the proper charger or adapter for it, if have any deformities or corrosion, pld stop using!

• 4200mAh External Battery Backup Charger Case Pack Power Bank for iPhone 5 5s 5c
• The resilient design features LED battery level indicator that lets you know exactly how much power you have, It will display your remaining battery life left with one to four of the circles (0--25%--50%--75%--100%); and a softer side that safely holds your iPhone while providing easy access to all buttons and ports,and easily press and hold to toggle the charging status
• Turn on the battery case to start charging your phone. Separately charge the battery case or use the battery charge your phone to avoid overheating issues.
• Charging and protecting 2 in 1, using on traveling and outdoor activities. Cable is not included, please use your original phone cable.
• With a external USB output for charging 2 phones at the same time. You can connect another USB onto the side and charge another phone,just need a type a USB to connect onto the right side and you would be able to charge an android or just any kind of phone/device

4200mAh External Battery Backup Charger Case Pack Power Bank for iPhone 5 5s 5cGAOKY