... trouble of the power failure.Charging current:determined by the battery capacity,Usually is 10% of the battery capacity.For example,the ... 5000VADC input voltage12V,24V,36V,48V,60V,72VOutput voltage110V±10% or 220V±10%Output frequency50HZ or 60HZ Corrective sine wave(PWM ... voltage220V or 110VInvert frequency≥80%Under-voltage protectionDC 9.0-10.0V/DC12VOver-voltage protectionDC 14.5-15.0V/DC12VUnder- ...