... indicator is Red. It turns to Green color when full charged. 2, How to know the power bank's ... electric quantity? 2-1, press down switch button to check ... , Green LED indicator shows capacity: 25%-75%-100% 3, How to charge cell phone, iPhone, iPad1, iPad2 or MP3, ... power bank, the other port connect to charging device automatically.3-3, select the correct connect for your ...