1, Power Inverter 2, Pure sine wave 3, With charger inside 4, Battery voltage: 12VDC 5, ... happens, Inverter will shut down and giving warning. Sensitive intelligent overload protectionOn battery mode, overload more than 110%, Inverter will give ... low voltageYesBattery Over-charge, over-discharge, reversed polarity protection (optional)Short circuitYesTransfer Time≤ 4msBattery Voltage12V DC12V DC24V ...