DEYE SE-G5.1 Pro-B Premium Battery

Deye Battery Datasheet — SE-G5.1-PRO-B

The Deye SE-G5.1 Pro-B is a 5.12 kWh LiFePO4 rack battery at 51.2 V nominal and 100 Ah, with all 5.12 kWh listed as usable and a maximum charge and discharge current of 100 A. It weighs 45 kg, is rated IP20 and carries a 10-year warranty.

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

⚡Electrical Specifications

Energy5.12 kWh
Usable Energy5.12 kWh
Max. Capacity327 kWh
Nominal Voltage51.2 V
Operating Voltage43.2-57.6 V
Rated Capacity100 Ah
Cell ChemistryLiFePO4
Cycle Life>6000
End-of-Life Capacity70 %
Energy Throughput16 MWh
Recommended Depth of Discharge90 %
Max. Charge Current100 A
Max. Discharge Current100 A
Max. Charge/Discharge Current100 A
Recommended Charge/Discharge Current50 A
Peak Discharge Current150 A
Min. Battery Module Quantity1
Parallel Units64 (32 without external)
Built-in Circuit Breaker125A 2P, 60Vdc
Warranty (Years)10

🔧Mechanical Specifications

Communication PortsCAN2.0, RS485
Dimensions440 x 133 x 540 mm
Status Indicator5LED (SOC 20%-100%), 3LED (working, alarming, protecting)
Weight45 kg

🌡️Environmental Specifications

Altitude<2000 m
Charge Temperature0-55 (optional -20) °C
Discharge Temperature-20 to 55 °C
Operating Humidity5-95 %
Installation LocationWall-Mounted, Floor-Mounted, Rack-Mounted (19-inch)
Enclosure IP RatingIP20
Storage Temperature0-35 °C
Cooling TypeNatural Cooling
Working TemperatureCharge: 0-55 (optional -20) / Discharge: -20 to 55 °C

✅Certifications

UN38.3CEUKFCCCEI 0-21IEC62619VDE2510-50UL1973UL9540A