GoodWe ET LV Series (5-20kW) | Three-Phase Low-Voltage (48V) Hybrid Inverter
A 5-20 kW three-phase low-voltage (48 V) hybrid inverter for large homes, commercial buildings and projects that favour the safety profile of low-voltage battery systems. Dual independent battery inputs support charging currents up to 416 A, with unbalanced load output up to 150%.
Key Highlights
- Dual independent battery inputs: Combined charge/discharge current up to 416 A (208 A x 2) for fast battery charging.
- Emergency backup switching <4 ms: Smooth automatic mode transfer, with generator compatibility.
- Unbalanced output up to 150%: Flexible support for uneven load distribution across phases.
- High safety and standards compliance: Type II surge protection on AC and DC, IP66 ingress protection and C4 corrosion resistance.
Technical Specifications
- Models: GW5K / GW6K / GW8K / GW10K / GW12K / GW15K / GW20K-ET-L-G10
- Nominal Output Power: 5,000 W – 20,000 W (5 kW – 20 kW)
- Battery Voltage Range: 40 – 60 V (nominal 48 V; supports LFP / lead-acid)
- Battery Inputs: 2 independent (max. charge/discharge current 125 A – 208 A / 208 A)
- MPP Trackers: 2 / 3 / 4 MPPT (MPPT voltage 150 – 850 V / max. 1000 V)
- Max. Efficiency: 97.9% (battery to AC: 95.5%)
- Switching Time: < 4 ms
- Communication: WiFi, LAN, Bluetooth, 4G, RS485, CAN (Modbus RTU / TCP)
- Ingress & Corrosion Protection: IP66 / anti-corrosion C4
- Dimensions & Weight: 756 x 551 x 258 mm | 42.2 – 51.2 kg


