HV Deye GB-LM4.0 battery – 4.09 kWh with cable set

Deye GB-LM4.0ismodular lithium iron phosphate (LiFePO₄) batterywith capacity4.09 kWh, designed forhome and commercial photovoltaic systems. It is fully compatible with Deye inverters and offershigh reliability, safetyandlong service life.

Battery includedcommunication and power cable, which facilitates its integration into the system. It is suitable for bothfor internal as well as external installation(IP65) and allows expansion by connecting several modules.

What the kit includes:

Deye GB-LM4.0 battery – 4.09 kWh
Power cord– for easy connection to PCS
Communication cable– for integration with an inverter (RS485/CAN)
Installation and connection guide

Advantages:

✔ Safe and stable chemistry (LiFePO₄)
✔ Intelligent BMS protection system
✔ Compact and lightweight construction
✔ Compatible with Deye high voltage inverters
✔ Flexibility through modular design
✔ Suitable for grid and off-grid applications

Applications:

Home solar systems
Commercial and office installations
Backup power and energy storage systems

Warranty:

Warranty: 10 yearsor≥6000 cyclesin standard use (0.5C charge/discharge, at 25°C and 90% DoD)
Conditions:The warranty covers manufacturing defects, loss of capacity beyond specification and malfunctions under normal use
Registration and installation by a certified specialist is required for warranty validity

We inform you that, despite our efforts, we cannot guarantee that the published information and photos do not contain inaccuracies or errors that cannot be a legal basis for claims.

Main features:

✅ Capacity:4.09 kWh
✅ Battery type:LiFePO₄ (Lithium Iron Phosphate)
✅ Nominal voltage:102.4V
✅ Nominal capacity:40Ah
✅ Communication:RS485 / CAN2.0
✅ Life:≥6000 cyclesat 0.5C, 25°C
✅ Depth of Discharge (DoD):90%
✅ Temperature at charge:0°C to +55°C
✅ Discharge temperature:-20°C to +55°C
✅ Degree of protection:IP65
✅ Dimensions (WxHxD):540×385×220 mm
✅ Weight:~39 kg
✅ Installation:Floor or wall
✅ Expandability:Possibility of a series of 2 to 6 modules

Additional information