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GB-L12 PRO is a “sweet-spot” capacity for many typical homes: large enough to capture more daytime PV and carry the family through the expensive evening hours, while still keeping the footprint and investment sensible. It works especially well where the goal is to improve self-consumption and reduce grid dependency rather than run fully off-grid.
Because the system is built from series-connected HV modules, it pairs naturally with compatible high-voltage hybrid inverters/PCS setups and can deliver efficient energy transfer with tidy installation. The LiFePO₄ foundation supports long-term cycling stability, and the IP65-rated enclosure helps protect the battery from dust and water ingress for added peace of mind. For households with a growing electricity bill, GB-L12 PRO balances backup capability, tariff shifting, and solar utilization in one scalable package.
| Battery chemistry | LiFePO₄ (LFP) |
| Configuration | 3 × 4.0 kWh modules (series-connected) |
| Nominal energy | 12.0 kWh |
| Usable energy (typ.) | 10.8 kWh |
| Nominal system voltage (typ.) | 307.2 V |
| System operating voltage (platform) | 166.4–700 V (by configuration) |
| Recommended charge/discharge current | 20 A (peak 50 A) |
| IP rating | IP65 |
| Operating temperature | –20°C to 55°C |
| Approx. dimensions (W×D×H) | 540×385×870 mm |
| Approx. weight | 136 kg |
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 12kWh High Voltage Battery energy storage Solution 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 12kWh High Voltage Battery energy storage Solution.
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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