220V: 700W/1000W/1500W/2000W/2500W/3000W/3600W   Solis-Mini-4G Single-phase series string inverter are green power leader in affordable small residential and commercial rooftops, adopt full digital control technology, advanced topological structure and accurate MPPT algorithm, whose efficiency higher than the industry's leading conversion is up to 97.5% at the maximum.Meanwhile adopt multiple protection functions,ultra-high switching frequency technology.