LED display；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 USB ports

● Unattended safety shutdown: system alarm and auto Power-On / Off by USB

interface communicating with PC