inputs.text: extra power - product almost two weeks able field test quite often work job work 1218 hours iphone 4s towards end day need small boost run office let sit charge 15 minutes 50 around 15 use led indicator product shows much charge left icurvethe second itehem use go pro camera often go hunting fishing hiking outside always battery go pro unfortunately goes quickly especially forget turn 30 minutes icurve fully charge battery still rehemain 44 led light battery charge charge icurve every time use not see go outthe con product width little big cannot fit pocket carried around backpack sothe pro quickly actually charge different products 7000mah price great also like \\look\\ make sure match amperage ratings ports not problehems