... lithium polymer battery, it can charge a mobile phone 3-4 times, or charge ipad or Samsung p1000 1 time. ... protection; over-load protection; shortage protection Fit for: Apple iphone 3G,3GS,4,4S 1st Gen Ipad/2nd Gen Ipad I pod ... IN port, put the output/input cable USB to an adaptor of mobile phone or computer USB port, the LED ... bank is charging. 5000mAh Portable battery power bank for iphone 4 & 4S