External Battery Case for Samsung Galaxy SII I9100 2800mAh  

Specification:

Capacity: 2800mAH

Output Voltage: 5V

Output Current: 500mAh

Intput Voltage: 5V

Intput Current: 500mAh

Weight: 185g

Charging time: around 8 hours

Dimension: 136*70*18.5mm 

Features:

1. Unique sliding design fashionable and high class.

2.  Charing/Sync at the same time.

3. Simply plug in the USB turn micro USB to the micro USB female dock.

4. Connect the USB to a powered USB equipment for computer.

Unique sliding design fashionable and hight class. Chargin/Sync.

Simply plug in the USB turn micro USB to the micro USB female dock, connect the USB to a powered USB equipment or computer