Features:
This mobile power bank is special designed for Blackberry 8520/9300
Four Blue LED indicators to show battery level, press the button to show battery

With a micro USB interface, you can charge it across your PC or wall chager with a adapter.

A Micro USB cable is fixed on the back, while you want to charge your phone, plug the USB in phone to charge.

It also can be a protection case for Blackberry 8520/9300
Special design of two sides makes it is convenient to press the keys on the phone

Specifications:
Compatible with: Blackberry 8520/9300
Capacity: 2000mAh
LED: 4 LEDs
Input Voltage: DC 5V-5.5V
Input Current Max.: 1.8A
Output Voltage: DC 5V-5.3V
Output Current Max.: 1.2A
Color: Black
Weight: 81g
Size: 12 x 6.2 x 1.8cm(L x W x T)

Package included:
1 x 2000mAh Mobile Power Bank