battery case for samsung i9250 SAMSUNG GALAXY NEXUES I9250 :1.material:ABS +PC  2.battery capacity:2200mah 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.

battery case for samsung i9250