The MUST 5KVA 48V VHM Solar Inverter (PV1800 VHM Series) is a high-frequency, multi-functional hybrid off-grid inverter. It intelligently combines the features of a pure sine wave inverter, an 80A MPPT solar charge controller, and a mains battery charger into a single, compact unit. This system is highly regarded for residential backups and small business operations because it handles heavy inductive loads seamlessly