... 2, Select 110V or 220V input. 3, Select 12V or 24V output. Battery Charger For Diesel Engine Battery SY-CH-2061A1,IntroductionSY-CH ... 2.5 Selection of input voltage: According to using voltage of different regions (it has nothing to do with ... e.g. engine controller, water preheater, automatic voltage regulator, generator synchronizer, genset controller, power factor regulator, fuel solenoid,battery ...