● 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 same phase with utility voltage, reducing transfer time and peak surge
● Intelligent battery management: battery temperature compensation to extend the battery life; three-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
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