I9300 Power Case Power Bank for Samsung Product Specification:
Model Number: SF-I9300C
Input: DC5.0V 0.5A(max)
Output1: 5V-1.0A
Capacity: 2, 200/3, 200mAh
Size: 146 x 74 x 17.5mm
Standby time: Up to 230 hours.
Talk time: Up to 6.5 hours on 3G network/Up to 10 hours on 2G network.
Internet use: Up to 5.5 hours; Up to 8 hours on Wi-Fi.
Audio play: Up to 30 hours.
Video play: Up to 8 hours.
Color: Black

Samsung I9300C Power Case Power Bank with 2, 200/3, 200mAh External Battery.
Designed to provide power for your I9300
Compact and lightweight, you can use your I9300 as usual as you use this external battery.
Built-in 3200mAh high capacity rechargeable Li-ion battery.
Can also work as a protective case.