Specifications
| Ac power kw | 8.0 |
| Dimensions mm | 800 × 340 × 270 |
| Efficiency european | 97.1% |
| Efficiency max | 98.0% |
| Ip rating | IP66 |
| Mppt count | 3 |
| Phase | three-phase |
| Switching time ms | <4 |
| Weight kg | 34 |
Description
The GoodWe GW8K-ETA-G20 is an 8 kW three-phase all-in-one hybrid inverter designed for both on-grid and off-grid applications. It features three independent MPPT inputs, IP66 outdoor-rated protection, and seamless UPS switching time below 4 ms for uninterrupted backup power.
The inverter integrates with GoodWe's ESA Series LFP battery modules (5.1 kWh and 8.3 kWh options), supporting up to 12 battery units for a maximum storage capacity of 108 kWh. Advanced safety includes 6-layer protection, AI-driven AFCI 3.0, integrated DC and AC surge protection, and heating mode for reliable operation down to −20°C.
Key features include smart fan cooling with noise under 40 dB, dual-port design for whole-home backup with up to 63A passthrough capability, flexible battery mixing, and ready integration with AI-driven energy management systems. The inverter supports 200% DC oversizing and provides European efficiency of 97.1%.
Product datasheet
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