... 2,High performance power switch inside,with the voltage from 110 to 240V LCD vision with flashing ... battery with the two pins correctly,while the LCD screen become bluee,it can work,otherwise,connect ... again. Connecting the charger with AC,while the LCD is blue and flashing,it means it is ... LCD will not flash,in order to get it well,keep to charge 2 hours more. mobile phone universal charger with LCD ...