inputs.text: provides charge expected - since first iphone looking ways extend battery life keep screen dim turn location services critical apps kill programs done thehem name done started looking iphone chargers shocked see cost ton yet would add 3040 charge phonewhen friend told new trent could charge ipad iphone would charge phone multiple times would charge anything powered usb try not let charged thing one time charged iphone 40 100 one time 60 100 another time still shows full charge form factor phone little wider thought would heavy actually not keep bag time nowthe reason 4 stars instead 5 bose bluetooth headset charge nt powers minutes juice cannot determine headset charged stops prehematurely