Specifications
| Battery type | LFP (LiFePO₄) |
| Capacity | 5.12 kWh (5 kWh usable) |
| Dimensions mm | 800 × 326 × 270 |
| Ingress protection | IP66 |
| Max output power | 5 kW (7.5 kW peak @ 10s) |
| Operating temperature range | −20 °C to +55 °C |
| Stackable units | 6 per system |
| Voltage nominal | 380 V (system: 350–550 V single-phase, 700–950 V three-phase) |
| Weight kg | 57.5 |
Description
The GoodWe GW5.1-BAT-D-G20 is a high-voltage LFP (LiFePO₄) battery module designed for residential energy storage systems. With a rated capacity of 5.12 kWh and usable energy of 5 kWh, it delivers a maximum system power of 5 kW and peak power of 7.5 kW for 10 seconds, making it suitable for hybrid and storage applications.
The module operates at 350–550 V (single-phase) or 700–950 V (three-phase), with an IP66 ingress protection rating for safe indoor or outdoor installation. It supports stacking of up to 6 units per system for scalable capacity expansion. Equipped with LFP chemistry, it offers robust safety, long cycle life, and reliable performance across ambient temperatures from −20 °C to +55 °C.
Standard features include CAN communication, integrated heating functionality (G20 models), and compliance with international safety standards (IEC62619, IEC62040, VDE2510). The battery is floor-stackable or wall-mountable and weighs 57.5 kg.
Product datasheet
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