HET-HC4000W multifunction pure sine wave inverter series features: a pure sine wave output, input and output fully isolation design type 2 contains four AC charging module, charging current up to 70A 3 high inverter efficiency of more than 98% 4 has a power saving mode can be used with electricity, diesel hybrid power supply 5 can withstand three times the rated power start, with the capacity to work and excellence 6 LED charge status display, remote visualization LCD digital control panel 7 built-in AC bypass relay, real exchange constant electrical output 8 Advanced microprocessor control system design 9 reverse input protection / AC input overvoltage, undervoltage protection, high battery voltage, low battery voltage protection, over temperature protection, overload protection, short circuit protection, leakage protection features such as 10 remote communication interface RJ11 or RS-232 (optional) Application: vehicles: RV, emergency vehicles, buses, construction vehicles, communications vehicles, radio and television trucks and other marine equipment modified vehicles: passenger ship cargo boats and other power tools : circular saws, drills, grinders, grinders, buffers, lawn mowers and trimmers, air compressors office equipment: computers, printers, monitors, fax machines, scanners, home appliances: air-conditioning, television, vacuum cleaners, fans, fluorescent and incandescent lamps, razors, sewing kitchen appliances: refrigerator, microwave, oven batteries, coffee maker, blender, ice markers, toasters, industrial equipment: metal halide lamps, high pressure sodium lamps. Electronic devices: TV, VCR, video game consoles, stereos, musical instruments, satellite equipment, household products * Parameters: Model: HET-HC4000-124 HET-HC4000-148 HET-HC4000-224 HET-HC4000-248 output power 4000W power 12000W DC input voltage shock 24VDC 48VDC 24VDC 48VDC output voltage 100/110 / 120VAC ± 5% 220/230 / 240VAC ± 3% Output frequency 50 / 60Hz ± 0.5% output waveform pure sine wave (distortion rate <5%) power factor of 0.1 to a full load efficiency of 86% 88% 87% 90% standby losses <10W (power saving mode) switching time <8ms input AC voltage range of 90 ~ 135VAC / 190 ~ 245VAC input DC voltage range of 20.0 ~ 31.0VDC 42.0 ~ 62.0VDC 20.0 ~ 31.0VDC 42.0 ~ 62.0VDC DC charging current of 35A 20A 35A 20A fault indication LED red remote switch RJ11 / RS-232 safety certification UL458 LVD (EN60950) EMI FCC Part15 ClassA CE (EN5502: 2006 + A1: 2007) work Temperature -20 ~ 50 ℃ Operating humidity 20 to 90% RH within -30 ~ 70 ℃ Storage temperature controlled cooling fan cooling load weight (Kg) 35 Dimensions (mm) 442 * 218 * 179 (L * W * H) using the car, yachts, solar systems, mobile devices, industrial control, power tools and home office, etc.