... 4 OEM Built in Polymer lithium battery LED light 5000mah Portable Power Energy for Ipad,Iphone,HTC,etc. 1.Specifications2.Product configuration ... descriptiona.When charging,the four led indicator lights on EXC portable power will flash in circulation;b. It will need 8 hours ... please fully charge it once every three months;4.EXC portable power will apply to:IPhone4,IPhone4S,IPad,IPad2,IPod,Itouch,part ...