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The three-phase hybrid inverter GW25K-ETA-G20 from the GoodWe ESA series is a component of the All-in-One high-voltage energy storage system with a nominal power of 25 kW. It supports up to 50 kW of PV power, offers a maximum efficiency of 98.2%, and features backup power switching in under 4 ms.
The GW25K-ETA-G20 is a three-phase hybrid inverter serving as the power module of the GoodWe ESA All-in-One high-voltage (HV) energy storage system, which integrates the inverter, battery, and smart energy management in a single, pre-wired, modular design. The model with a nominal power of 25 kW accepts up to 50 kW of power from the photovoltaic installation and controls battery charging with up to 25 kW and discharging up to 27.5 kW. It provides advanced multi-layer protection, readiness to work with an AI-based EMS, and rapid switching to backup power.
| Inverter type | hybrid, three-phase (HV) |
| Nominal AC power | 25 kW |
| Max. PV input power | 50 kW |
| Max. PV input voltage | 1000 V |
| MPPT voltage range | 120–950 V |
| Battery cell type | LiFePO4 (LFP) |
| Nominal battery voltage | 750 V |
| Battery voltage range | 700–950 V |
| Max. battery charge / discharge power | 25 / 27.5 kW |
| Max. charge / discharge current | 33.3 / 36.7 A |
| Nominal AC voltage | 220/380, 230/400 V (3L/N/PE) |
| Backup port apparent power | 25 kVA |
| On/off-grid switching time | <4 ms |
| Max. efficiency | 98.2% |
| European efficiency | 97.4% |
| Operating temperature range | -35 ~ +60 °C |
| Cooling | smart fan |
| Protection rating | IP66 |
| Dimensions (W × H × D) | 800 × 340 × 270 mm |
| Weight | 38 kg |
Goodwe GW25K-ETA-G20 — three-phase hybrid inverter for All-in-One energy storage system (H — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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