12V → 220V Pure Sine Wave Power Inverter — 2200W Peak / 1000W Continuous Voltage Converter with USB Charging & LED

12V-to-220V pure sine wave inverter providing 2200W peak and 1000W continuous output, with USB charging and LED indicators for easy monitoring. The design uses the shortest conduction path for high-current transfer to cut current loss and improve conversion efficiency. Cooling is handled by centralized double air ducts (left and right) for uniform heat dissipation, which lowers MOS tube temperature. The unit replaces older single-duct, series-group layouts with a single transformer vertical multi-layer copper ring superposition winding method to reduce copper and magnetic losses, decrease heat generation, and boost overall efficiency. Operating efficiency ranges from 80% to 90%. Front-and-rear double current detection plus multiple protection circuits deliver stable, reliable operation and prevent damage to both the inverter and connected loads if an individual electronic component fails. The aluminum alloy shell is lightweight with good thermal conductivity, allowing fast heat removal so long-term operation is unaffected. Pure sine wave output and intelligent filtering prevent interference and help protect sensitive electrical devices. High conversion efficiency (up to 90%) and the inverter’s low self-consumption significantly extend battery run time.