The Deye SE-G5.1 is a high-performance 5.1kWh lithium (LiFePO₄) battery designed for reliability, safety, and flexibility in both residential and commercial energy storage systems. Built with advanced battery management and eco-friendly materials, it ensures safe, long-lasting power storage with over 6000 cycles at 0.5C charge/discharge rate.
With support for remote monitoring, firmware upgrades, and auto-networking (no DIP switches required), it offers easy operation and maintenance. Its intelligent BMS allows for direct over-discharge recharging, while built-in circuit protection enhances safety.
Scalable to meet larger energy demands, the SE-G5.1 supports up to 64 units in parallel, offering a total storage capacity of up to 327kWh or 655kWh. It operates efficiently across a wide temperature range (-20°C to 55°C), making it a reliable solution for a variety of energy storage applications.
Backed by a 5-year warranty and a guaranteed 70% end-of-life (EOL) capacity, the SE-G5.1 delivers both performance and peace of mind.
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Deye SE-G5.1 Lithium Battery - 5.12kWh -
🔋 General Specifications
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Battery Chemistry: LiFePO₄
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Nominal Capacity: 100 Ah
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Nominal Voltage: 51.2V
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Operating Voltage: 44.8V – 57.6V
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Nominal Energy: 5.12 kWh
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Cell Configuration: 1P16S
📈 Performance
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Scalability: Max. 64 pcs in parallel (up to 327 kWh)
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Charge Current:
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Max. Continuous: 50 A
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Peak (10 sec): 100 A
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Discharge Current:
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Max. Continuous: 50 A
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Peak (10 sec): 100 A
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Recommended Depth of Discharge: 80% DoD
📐 Physical & Environmental
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Dimensions (W × D × H): 440 × 540 × 133 mm
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Weight: 44 kg
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Altitude: ≤ 2000 m
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Operating Temperature:
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Charge: 0°C ~ 55°C
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Discharge: -20°C ~ 55°C
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Storage Temperature: 0°C ~ 35°C
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Relative Humidity: 95%
💡 Features
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Master LED Indicator: 5 LEDs (SOC: 20% ~ 100%)
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Communication Ports: CAN2.0, RS485
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IP Rating: IP20
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Cycle Life: ≥ 6000 cycles @ 25°C, 0.2C / 0.2C, 80% DoD, 70% EOL
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Warranty: 5 years
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Installation Options: Wall-Mounted, Floor-Mounted (Stacked), Rack-Mounted (cabinet depth ≥ 600mm)
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Certifications: UN38.3, MSDS