Deye 5.12 kWh LiFePO₄ Battery for Residential Energy Storage SE-G5.1PRO-B
Deye 5.12 kWh LiFePO₄ Battery for Residential Energy Storage SE-G5.1PRO-B



Deye 5.12 kWh LiFePO₄ Battery for Residential Energy Storage SE-G5.1PRO-B
Deye 5.12 kWh LiFePO₄ Battery for Residential Energy Storage SE-G5.1PRO-B
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Deye 5.12 kWh LiFePO₄ Battery for Residential Energy Storage SE-G5.1PRO-B
SE-G5.1PRO-B
Deye SE-G5.1PRO-B – 5.12kWh LiFePO₄ Battery for Residential & Commercial Energy Storage
The Deye SE-G5.1PRO-B is a 5.12kWh high-performance LiFePO₄ battery designed for both residential and commercial energy storage systems.
With its safe lithium iron phosphate chemistry, long cycle life, and advanced Battery Management System (BMS), it ensures reliable operation and maximum energy efficiency. Its compact, modular design makes it easy to install and scale, providing a flexible solution for solar storage, backup power, and self-consumption optimization.
Key Technical Benefits
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High-Efficiency Storage – 5.12 kWh nominal capacity with ~4.6 kWh usable energy to maximize solar self-consumption and reduce reliance on the grid.
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Long Life & Safety – Built with Lithium Iron Phosphate (LiFePO₄) chemistry for exceptional safety, stability, and more than 6,000 cycles at 90% DoD.
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Expandable & Scalable – Connect up to 64 units in parallel for over 327 kWh total capacity, supporting both small residential and large commercial applications.
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Flexible Installation – Compact and lightweight (45 kg), with a modular rack, wall-mount, or floor-mount design to fit tight spaces.
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Smart Battery Management System (BMS) – Real-time monitoring, auto-networking, and firmware upgrades via USB ensure reliability and ease of use.
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High Power Output – Delivers continuous 50A discharge, up to 100A max, and 150A peak surge support for short-term high demand.
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Wide Compatibility – Integrates seamlessly with leading hybrid inverters (Sol-Ark, Deye, Luxpower, etc.) through CAN and RS485 communication.
Warranty
The Deye SE-G5.1PRO-B comes with a 10-year manufacturer’s warranty, ensuring long-term performance, durability, and protection for your investment.
Applications
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Residential Solar + Storage – Store solar energy for night-time use and protect against rising utility costs.
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Backup Power Supply – Provides reliable energy during grid outages and emergencies.
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Commercial Energy Management – Expandable battery modules support larger storage systems for businesses.
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Off-Grid Solutions – Works with solar systems in remote or backup-critical environments.
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Scalable Microgrids – Ideal for community or multi-building storage projects requiring modular scalability.
Product Specification Table
Specification | SE-G5.1PRO-B |
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Battery Type | Lithium Iron Phosphate (LiFePO₄) |
Nominal Energy | 5.12 kWh |
Usable Energy | ~4.6 kWh |
Nominal Voltage | 51.2 V |
Capacity | 100 Ah |
Recommended Charge/Discharge Current | 50 A |
Maximum Current | 100 A |
Peak Current (2 min) | 150 A |
Cycle Life | >6,000 cycles @ 90% DoD |
Operating Temperature | –20 °C to +55 °C |
Communication | CAN, RS485 |
Scalability | Up to 64 units in parallel (~327 kWh) |
Dimensions (W × H × D) | 17.3 × 5.2 × 21.3 in |
Weight | 45 kg (99 lb) |
Ingress Protection | IP20 |
Certifications | UN38.3, IEC62619, CE, UL1973 |
Warranty | 10 Years |