DEYE GB-SL Battery System

Deye Battery Datasheet — GB-SL

A high-voltage floor battery of 4.09 kWh GB-LM4.0 modules covering 8.18 to 24.54 kWh, rated to discharge at up to 60 degrees C with Type II surge protection.

SKU: DEYE-GB-SL | Last Updated: 2026-02-10

⚡Electrical Specifications

Energy4.09 kWh
Usable Energy7.36-22.08 kWh
Module Energy4.09 kWh
System Energy8.18-24.54 kWh
Nominal Voltage102.4 V
Module Nominal Voltage102.4 V
System Nominal Voltage204.8-614.4 V
Operating Voltage179.2-691.2 V
Rated Capacity40 Ah
Module Capacity40 Ah
Cell ChemistryLiFePO4
Cycle Life>6000
End-of-Life Capacity70 %
Recommended Depth of Discharge90 %
Max. Charge Current40 A
Max. Discharge Current40 A
Max. Charge/Discharge Current40 A
Recommended Charge/Discharge Current20 A
Peak Discharge Current50 (120s) A
Modules in Series2-6
Min. Battery Module Quantity2
Battery Module ModelsGB-LM4.0
Parallel Units10
Overvoltage ProtectionDC Type II, AC Type II
Warranty (Years)10

🔧Mechanical Specifications

Communication PortsCAN2.0, RS485
Dimensions540 x 1980 x 385 mm
Additional NotesCharging Strategy for Li-ion Battery: Self-adaption to BMS
Module Dimensions540 x 220 x 385 mm
Module Weight39 kg
Weight137-293 kg

🌡️Environmental Specifications

Altitude<2000 m
Charge Temperature-20 to 55 °C
Discharge Temperature-20 to 60 °C
Operating Humidity5-85 %
Installation LocationFloor-Mounted
Enclosure IP RatingIP65
Storage Temperature0-35 °C
Cooling TypeNatural Cooling
Working TemperatureCharge: -20 to 55 / Discharge: -20 to 60 °C

✅Certifications

CEIEC 62619VDE 2510-50UN38.3