Li-Ion battery external extended power case for samsung Galaxy S3 i9300.
Unique sliding design fashionable and high-class.
Charging/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.
LED display light shows the battery capacity.
Protects your phone from common bumps, thumb prints, dust and scratches.
Multifunctional battery cover,it's can stand up
Ultra-thin with 4.4mm
Material:ABS+PC
Capacity:2600mAh
Cell type: Lithium-polymer battery
Input voltage:5V
Input current:400-500mAh
Cycle life:500 times
DC charging time:4 hoursy