inputs.text: fits needs well - decided take trip india started look way charge iphone 3gs long flight well protect iphone possible power surges could damage iphone plug directly indian outlet research amazon imp500 seemed fit bill far havent problems unit charges iphone 3gs advertised seems rather large capacity ive charged iphone twice appears no change battery meter indicator however think meter could legible like form factor case looks attractive onoff button nice feature unit keep charge finally fact many different adaptor tips included nice rather good unit serves purposes well