Highlights
- Safe LFP Battery
- Intelligent BMS Protection
- Modular & Scalable Design
- Remote Monitoring Support
- Eco-Friendly Construction
Deye SE-G5.1 Pro-B – High-Efficiency Lithium Battery Storage
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Highlights
- Safe LFP Battery
- Intelligent BMS Protection
- Modular & Scalable Design
- Remote Monitoring Support
- Eco-Friendly Construction
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Description
The Deye SE-G5.1 Pro-B is a high-performance lithium iron phosphate (LiFePO4) battery designed for residential and small commercial energy storage. With a modular and scalable design, this energy storage system offers a reliable solution for optimizing solar energy consumption and providing backup power.
Each Deye SE-G5.1 Pro-B module has a nominal capacity of 5.12 kWh, and the system can be easily expanded by connecting up to 64 modules, making it suitable for a variety of applications from self-consumption optimization to off-grid setups. The battery’s high cycle life of over 6,000 cycles ensures long-term reliability and cost-effectiveness.
This battery features an integrated Battery Management System (BMS), which provides real-time monitoring, cell balancing, and protection against overcharging, overvoltage, and temperature fluctuations. The Deye SE-G5.1 Pro-B is built with safety and efficiency in mind, making it ideal for modern solar and energy storage applications.
With a 10-year warranty and a minimal maintenance requirement, the Deye SE-G5.1 Pro-B offers peace of mind and long-lasting performance. Its compact design and easy installation process ensure it integrates seamlessly into both residential and commercial energy systems.
Specification
Battery Specification
| Battery Capacity |
5.12 kWh |
|---|---|
| Battery Charging Efficiency |
≥95% |
| Battery Cycle Life |
6,000+ |
| Battery Depth of Discharge |
90% DoD |
| Battery Maintenance Requirement |
~ |
| Battery Safety Features |
fireproof casing ,Overvoltage protection ,short circuit protection ,thermal management |
| Battery Self-Discharge Rate |
< 3% per month |
| Battery Temperature Tolerance |
0 ~ 55℃ |
| Battery Type |
Lithium Iron Phosphate |
| Battery Voltage |
51.2 V |
Mechanical Details
| Weight | 45 kg |
|---|---|
| Dimensions | 440 × 133 × 540 cm |



