External 3200mAh Backup Battery Charger Case for HTC M8B  w/ Cover
External Battery Back-Up Power Bank Charger Flip Case ForHTC M8B 3200mAh
3200mAh External Battery Clip Backup Charger Case Power Bank For HTC M8B
3200mAh External Backup Battery Case with Leather Flip Cover For HTC M8B

Specifications:
Cell type: Li-polymer battery.
Capacity: 3200mAh
Output voltage: 5V
Output current: 500mA
Input voltage: 5V
Input current: 500mA
Cycle life: 500 times
Charging time: 4-5hours
Color: White
Item dimensions: 148*71.5*17mm
Compatible with:  HTC M8B

How to Use:
Before installing, pull the top of the case upwards and put the phone on to it.
Slide your phone into the backup battery cover and make sure that your phone is well connected to the male micro USB dock connector on the power bank case.
Press the ON/OFF switch for long time (3-5 seconds) to activate (or to stop) charging, and confirm the charging signal on your phone.
Press the ON/OFF button once to check how many battery capacities are left.
(1LED:¡Ü25%, 2LED:¡Ü50%, 3LED:¡Ü75%, 4LED: ¡Ü100%)
Use your original charging cable to charge this battery case.

Notices:
Ultra-thin and Light-weight
With the soft hand feel leather flip cover
The capacity is 3200mah. It's not possible to make it a larger capacity at such a thickness.
The cell phone is NOT included.

Package include:
1 x External Backup Battery Case with Leather Flip Cover