... /60Hz 4, DC: 24V 5, Polarity reversed protection With Powerhero MSI series modified sine wave inverter integrated Inverter, UPS, AVR ... high quality toroidal transformer, gives you more reliable Inverter with lower exciting currentLED graphic Humanistic and friendly ... screen.Sensitive short circuit protectionWhen short circuit happens, Inverter will shut down and giving warning.Individual chargerWhen ...