5.5kW Growtech hybrid Inverter Features: Pure sine wave output Smart LCD setting (Working modes, 100A Charge Current, Charge Voltage, etc). Built-in MPPT solar charge controller MAX PV Array Open Circuit Voltage: 500VDC Can provide the power to the load without battery Combining solar system, AC utility, and battery power source to supply continuous power Overload, short circuit, and Deep discharge protection Cold start function Support USB, RS485 communication, WIFI remote monitoring (optional) 5.43 kWh Banqo E-Series Battery Features: High Life Cycle 4000 Cycles (25 C , 80% DOD) for effectively lower total ownership cost. Longer service life Low-maintenance batteries with stable chemistry. Built in circuit protection Battery Management System (BMS) is incorporated against abuse. Better storage, Up to 6 months thanks to its extremely low self-discharge rate and no risk of sulphation. Quickly recharge High Quality 1C (100A) continuous, Save time and increase productivity with less downtime thanks to superior charge/discharge efficiency. Extreme heat tolerance Suitable for use in a wider range of applications where ambient temperature is unusually high: up to +60 C. This Lithium battery is made up of high quality steel, built to last.