This document provides specifications for an off-grid solar inverter system available in models from 10KVA to 120KVA. It uses DSP digital control technology combined with multiple control methods to allow for fast maximum power point tracking from solar panels. The system provides stable power output to loads with regulated voltage and frequency. It also features energy storage and staggered power consumption. The solar inverter is suitable for medium and large-scale off-grid applications such as villages, farms, factories, and islands.