Design for samsung galaxy nexus I9220 1.material:ABS +PC 2.battery capacity:3000mah 3.cycle life:500times

Design for SAMSUNG GALAXY NEXUS I9220:1.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

For Emergency white leather external battery charger back case for I9220