(3-5.5KW) Solar Inverter Must Brand inverter- is PV1800 PRO is a multi-function inverter/charger, combining functions of inverter, MPPT solar charger and battery charger to offer uninterruptible power support in portable size. Features: • Pure sine wave output • Smart LCD setting (Working modes, Charge Current, Charge Voltage, etc). • Built-in MPPT solar charge controller • MAX PV Array Open Circuit Voltage: 450V