external portable power source battery charger for iphone 2g 3g 3gs
compatible with iphone 3g 3gs 8gb 16gb 32gb iphone 2g 4gb 8gb 16gb ipod touch 1st -3 rd gen ipod nano ipod classic ipod video specifications battery type lithium-ion battery battery capacity 1900 mah input voltage 5.5 v - 0.5 v output voltage 5.0 v - 0.5 v input current 500ma max output current 800ma max dimension 67x62x15mm weight approx. 48g charge time around 2 hours led indicator for charging led indicator for battery power level no memory effect li-ion battery built-in charged via the computer or ac adapter with the usb cable easy to take and charge color black compatible with iphone ipod series