500W Solar Inverter 12V/24V Input — 110-220V Output Off-Grid Pure Sine Wave, 50HZ/60HZ, Voltage Protection & Stabilizer, Easy to Use

Designed for off-grid solar systems, this inverter uses completely isolated inverter technology to reduce interference and enhance safety. Advanced SPWM circuitry produces a true pure sine wave output for stable AC power. The unit reaches high conversion efficiency of up to 91%. A built-in USB output (5Vdc/1A) lets you charge phones and small electronics. The inverter also includes extensive electronic protection features to guard against faults and irregular conditions.