... for ipod touch,nano classic Power supplier,external battery,Backup battery for iphone 3g 3gs 4g 4gs for ipod ... touch,nano classic Features:1900mAh External Battery Charger For iPod iPhone 2G 3G 3GSLight-weight, ... -capacity, rechargeable lithium-ion batteryLED indicator for battery power levelNo memory effect, Li-ion battery built-inBattery type: Lithium-ion battertyCapacity:1900mAhInput: 5V ...