inputs.text: something funny going - no reviews batteries bought mine even though not made full analysis yet going put impressions update later first thing notice battery odd behavior sprint hero battery icon sometimes changes something not recall seeing gray battery exclamation point nothing notifications screen tell means wondering periodic issues recognizing battery using 24 hours impression right not holding much charge oehem battery not horrible price would say want extra carry long trips not mission critical not bad way go got mine could listen music long bike trips fine not count ehemergencies