1.material:ABS +PC 2.battery capacity:3200mah 3.output rate:5v/1A 4.output current 500mah 5.input current 1000mAH 6.cycle life:500times 7.DC charging time:4hours 8.weight:90g 9.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. 12)Packing specification size:27x50 x 60cmmm 13)Packing specification weigh:10kg(50pcsSamsung i9300/galaxy S4