Model Number: PSE-500 Brand Name: Powerhero Key Specifications/Special Features: Product feature---True sinewave with very low harmonic distortion, best for all kinds of appliances, true---CRGO toroidal transformer, lower static loss, more energy saving---Integrated frequency automatic tracking technology, generator compatible---With wide AVR range 140 to 275V AC gives you stable voltage at mains mode---Big charging current, 3 stage battery charger---32-bit high speed MCU control with accurate detection---LED display selectable, AVR function Model PSE-500 PSE-800 PSE-1000 PSE-1500 PSE-2000 PSE-2500 PSE-3000 PSE-5000 Rated Capacity 500VA 800VA 1000VA 1500VA 2000VA 2500VA 3000VA 5000VA Rated Power 300W 500W 700W 1050W 1400W 1800W 2100W 3500W Transformer CRGO toroidal transformer Display Status working&loading&battery Working Mode PV(Photovoltaic priority) / AC(AC priority) optional Input Voltage 140-275V AC Input Frequency 45-65Hz Output Voltage 220Vac±3% for inverter, 195-240V for AVR Output Frequency 50/60Hz±0.3Hz, subject to the main Output Wave Form pure sine wave Wave Distortion ≤3% Protection overload/high temperature/output high voltage/output low voltage/battery low voltage/short circuit/over-charge/over-discharge/reversed polarity(optional） Transfer Time ≤4ms Battery Voltage 12V DC 12V DC 12V DC 24V DC 24V DC 24V DC 48V DC 48V DC Charge Voltage 13.8V±0.5V 13.8V±0.5V 13.8V±0.5V 27.6V±0.5V 27.6V±0.5V 27.6V±0.5V 55V±1V 55V±1V Charge Current Max.10A/15A/20A optional Cooling System Yes Operating Temperature 0-40°C Machine Size(mm) 146*340*210 220*383*275