inputs.text: easy use works advertised - purchased product amazon two years ago not failed impress even since received taken two 10 day european trips 4 transatlantic flights ensured power use ipod iphone ipad whenever wanted came handy not long flights layovers couldnt gain access power port terminalmy son preparing head college interested backpack builtin battery charge gear packs weve looked batteries big bigger sizenot capacity new trent 11000 mah product half less advertised power recommended buy ideal comfortable pack one absolute best worlds new trent also makes another model 12000 mah charge two devices including new ipad considering purchasing one even though 11000 mah model still works finesummaryi never trouble deviceit always charged devices quickly easilythe device automatically shuts charging completed critical featurethe device lights display amount charge left itit super easy useit reliable two years ive used itone best electronics purchases ive made highly recommend