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For SAMSUNG GALAXY Note I9220 external battery case
1.material:ABS +PC
2.battery capacity:3500mah
3.output rate:5v/1A
4.output current 400~500mah
5.input current 400~500mAH
6.cycle life:500times
7.DC charging time:4hours
8.Chargering/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.
External battery case for Samsung Note