Features:
A LED indicator to show battery charging condition, while it is in charging, the LED shows in red.
Turn the ON/OFF switch On to charge for your GALAXY S3 i9300, the LED will be in green.

Special outlook design makes it convenient for you to operate your phone.

With 3500mAh capacity, you can enjoy your Samsung GALAXY S3 i9300 for a longer time.
This external battery also can offer full protection to GALAXY S3 i9300.
You can charge it across PC with a Micro USB cable or wall charger with a adapter.

Specifications:
Battery type: Li-polymer battery
Capacity: 3500mAh
Output voltage: 5V
Output current: 750mAh
Input voltage: 5V
Input current: 400-500mAh
Power in: Micro USB
Color: Black
Weight: 104g
Size: 14.8 x 7.9 x 1.8cm(L x W x T)

Package included:
1 x 3500mAh External Battery for Samsung GALAXY S3 i9300