•LED display or LCD display selectable
•Microprocessor-based digital control
•Boost and buck AVR for voltage stabilization
•Auto sensing frequency
•Wide input voltage range
•Power-On self test
•Cold start
•Auto restart when mains power is restored
•Auto track mains phase to ensure that inverter output voltage has the same phase with utility voltage, reducing transfer time and peak surge
•Intelligent battery management: Battery temperature compensation to extend the battery life; 3-stage charging to shorten recharge time
•Short circuit, battery overcharge/overdischarge, overload, surge protections
•Automatic charging in OFF mode
•Optional no-load shutdown
•Optional RS232/USB communication port and RJ11/RJ45 protection
•Unattended safety shutdown: System alarm and auto Power-On/Off by RS232 or USB interface communicating with PC