DEYE SE-G5.1 Lithium Iron Phosphate Battery

Deye Battery Datasheet — SE-G5.1

The Deye SE-G5.1 is a 5.12 kWh LiFePO4 battery module rated 100 Ah at 51.2 V, charging and discharging at 50 A. Each 44 kg module gives 4.1 kWh usable per cycle.

SKU: DEYE-SE-G5.1 | Last Updated: 2026-01-24

⚡Electrical Specifications

Energy5.12 kWh
Usable Energy4.1 kWh
Max. Capacity327 kWh
Nominal Voltage51.2 V
Operating Voltage44.8-57.6 V
Rated Capacity100 Ah
Cell ChemistryLiFePO4
Pack Configuration1P16S
Cycle Life>6000
End-of-Life Capacity70 %
Recommended Depth of Discharge80 %
Max. Charge Rate0.5C
Max. Discharge Rate0.5C
Max. Charge Current50 A
Max. Discharge Current50 A
Max. Charge/Discharge Current50 A
Peak Discharge Current100 (10s) A
Min. Battery Module Quantity1
Parallel Units64
Built-in Circuit BreakerCircuit Breaker
Protection FeaturesBMS Protection
Warranty (Years)10

🔧Mechanical Specifications

Communication PortsCAN2.0, RS485
Dimensions440 x 133 x 540 mm
Additional NotesPeak charge current mirrors peak discharge (10s); max 32 pcs parallel without CAN-Box
Status Indicator5LED (SOC 20%-100%), 3LED (working, alarming, protecting)
Weight44 kg

🌡️Environmental Specifications

Altitude<2000 m
Charge Temperature0-55 °C
Discharge Temperature-20 to 55 °C
Operating Humidity0-95 %
Installation LocationWall-Mounted, Floor-Mounted (stacked), Rack-Mounted
Enclosure IP RatingIP20
Storage Temperature0-35 °C
Working TemperatureCharge: 0-55 / Discharge: -20 to 55 °C

✅Certifications

UN38.3MSDS