APC-3200 Features & Functions: High capacity: 3200mAh, is equivalent to 3-6 times of the common digital batter Off-Line charging for your electric devices Compatible with the 5V cellphone adapter Rechargeable Lithium-Ion battery, up to more than 500 circles, after more than 500 circles, the power can still remain 80% Blue LCD indication, show the remain battery capacity and the voltage Equipped with various connectors, applicable for the general cellphone, MP3, MP4, PAD, DV & digital cemera,etc. Intellectual protection chip: protection for overcharge, overdischarge, overload and short circuit protection