... 0V with 0.1 volt increments; 4 The LCD Screen display and electric quantity and the voltage, for example ... , 3.7V will display ā3.7Uā (+/-0.2V); 5 Connect the ... USB line to charger the battery, the LCD blinks 3 times, the device starts charging, the ... stops working;8 Short circuit protection: LCD Screen shows āF2ā; 2013 LCD Display with knob switch Mini VV Ecig Imotion ...