Features:

    - Unique super thin, fashionable and high-class sliding design.
    - To charge the portable battery, simply plug in the USB contactor into the portable battery.
    - The other end contact to either an USB power adapter or an USB socket of a computer.
    - To charge the phone, simply slide the phone into the portable battery and slide ON-OFF switch to on.
    - Indicator shows power status of external battery.
    - Also can be used as a good case to protect your phone from scratches and other minor damages.
    - A perfect emergency backup when the internal battery of your device is drained on the go.
    - Ideal for long distance travel or business trip.
    - No need to take off the case when connecting the phone to computer.

Specifications:
    - Capacity: 3500mah
    - Input Voltage: DC 5V ± 0.2
    - Input Current: 0.5A
    - Output Voltage: DC 5V ± 0.2
    - Output Current: 0.5A
    - Standby Time: 360 hours
    - Recharge Time: 5 hours
    - Recharge Methods: USB Cable
    - Cycle Life: Over 500 times
    - Product Material: PVC + ABS
    - Working Temperature: - 20°C ~ 50°C

How to Use:
    1. Charge this backup battery by connecting it to PC or laptop with the original usb cable;
    2. When the indicate lights show 100% fully charge, then slide your iphone 5 into this battery case.

Package Included:
    1 x 3500mAh Battery Case for iPhone 5 5s