Just got a J3 16 but the battery doesn`t seem to last long. never ever had a Samsung smart phone prior to this one but had a hi-sense chosen by my kid, whose battery also died not too long ago after been charged 100% the phone J3 doesn`t seem to hold out too long after been charged to 100% and hardly used at night in the morning it was on 13% worried if need to use in emergency? Like a not bad tihs a perfect cost have apd slim beetrey much better 2600 mah gud one tihs phone low weight phone thanks