... Sine Wave Solar inverter 1, DC: 24V 2, Output: 220Vac, 50Hz/60Hz 3, LCD display 4, With transformer inside ... mode, UPS(inverter) can use as Automatic Voltage Regulator.Full battery protectionAccurate charging and discharging ... %ProtectionOverloadYesHigh temperatureYesOutput high/low voltageYesBattery low voltageYesBattery Over-charge, over-discharge, reversed polarity protection (optional)Short ...