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The GB-L Pro 4kWh module is the building block of Deye’s high-voltage residential storage platform. By connecting modules in series, installers can create a clean, space-saving HV battery stack that improves system efficiency and reduces cable current compared with low-voltage solutions. Built on long-life LiFePO₄ chemistry and protected by a rugged IP65 enclosure, the module is suitable for both indoor utility rooms and sheltered outdoor installations.
This modular approach makes planning easy: start with the capacity you need today, then expand by adding modules as household demand grows (new appliances, heat pump, EV charger, etc.). The GB-L Pro platform supports wide-temperature operation and is designed for modern monitoring and lifecycle management, helping homeowners maximize solar self-consumption, manage time-of-use tariffs, and keep critical loads backed up during outages.
| Battery chemistry | LiFePO₄ (LFP) |
| Module capacity | 40 Ah |
| Module nominal voltage | 102.4 V |
| Module energy | 4.0 kWh |
| System operating voltage (by configuration) | 166.4–700 V |
| Available models (system configurations) | GB-L8 PRO / GB-L12 PRO / GB-L16 PRO / GB-L20 PRO / GB-L24 PRO |
| Usable energy range (system) | 7.2–21.6 kWh |
| Recommended charge/discharge current | 20 A (peak 50 A) |
| IP rating | IP65 |
| Operating temperature | -20°C to 55°C |
| Dimensions (W×D×H) | 540×385×650 mm (min stack) to 540×385×1530 mm (max stack) |
| Weight | 97–253 kg (depends on stack size) |
Uni Z International B.V. is committed to providing you with a full range of solar energy storage products and solutions. We guide the industry and provide you with products at more favorable prices, more timely logistics and delivery, and more secure after-sales and technical support. Deye GB-L Pro 4kWh High Voltage Battery Module Suppliers and Company in China. We bring you one-stop solutions for smarter, more efficient and more reliable photovoltaic energy storage products. Wholesale Deye GB-L Pro 4kWh High Voltage Battery Module.
We not only provide high-end solar energy storage products and technologies, but also provide you as an installer with comprehensive training and technical support. We believe that only if you have the latest knowledge and skills can our end customers enjoy the advantages of more advanced solar technology.
At Uni Z International B.V., we not only provide products, but also seek to establish a long-term and close partnership with you. We look forward to working with you to meet the challenges and opportunities of the future of solar energy.Start your solar energy journey, choose Uniz Solar and move towards a cleaner, more sustainable future!
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