2000mAh External Battery Charger Power Case for Samsung Galaxy S2 S II i9100

Features Overview
-Designed To provide external power for samsung i9100
-Built-In 2000mAh high capacity rechargeable Li-Ion battery
-It Can also work as a protective case; form-fitting; ultra-thin; light-weight
-Compact And lightweight, you can even recharge it while it is still connected to the phone
-Charging / Sync; simple plug in the USB; turn micro USB female dock; connect the USB to a powered USB equipment or computer
-Track Battery power status at a glance with an integrated 4-light LED status indicator. Indicates charging mode and current battery life

Specification
-Compatible With: Samsung I9100 Galaxy S II, also known as Samsung Galaxy S2
-Output Voltage: 5V
-Output Current: 500mA
-Capacity: 2000mAh
-Input Voltage: 5V
-Input Current: 500mA
-Cell Type: Lithium- Polymer battery
-DC Charging time: 6 hours
-Dimension: 136 x 70 x 16mm
-Color: Random color

What's in the box
1 x 2000mAh Slim External Battery Charger Case for Samsung I9100 Galaxy S2 / II