The Goodwe GW20K-ETA-G20 is a 20 kW three-phase DC-coupled hybrid inverter from Goodwe's ETA G20 family, built for residential and light commercial sites that need solar plus high-voltage battery storage. Four MPP trackers and up to 200% DC oversizing give designers flexibility on larger arrays, while a built-in 80 A whole-home backup port with sub-4 ms transfer keeps critical loads online during outages. Backed by AFCI 3.0 arc-fault detection and IP66 outdoor protection, it is rated for -35 to +60 degrees Celsius operation across the Australian climate range.

Key Features

• 20 kW / 20 kVA rated three-phase hybrid inverter (DC-coupled HV battery)
• Four MPP trackers with up to 200% PV oversizing
• Max efficiency 98.2%, European efficiency 97.4%, battery-to-AC 98.0%
• 80 A whole-home backup port with sub-4 ms transfer
• AI-driven AFCI 3.0 arc-fault detection
• IP66, operating range -35 to +60 degrees Celsius
• Supports on/off-grid parallel operation
• Compatible with the Goodwe Lynx Home U HV battery stack, scalable to 108 kWh per inverter
• Compliant with AS/NZS 4777.2:2020

Specifications

Installation Manual: Download from Goodwe Australia (PDF)