SE-G5.1 Pro-B

  • Safer
    Cobalt Free Lithium lron Phosphate (LFP) Battery: Safety and long Lifespan, high efficiency and high power density.
    Intelligent BMS, providing complete protection.
  • Reliable
    Support high discharge power. IP20, natural cooling, wide temperature range: -20C to 55*C.
  • Flexible
    Modular design, easy to expand, Max. 64 units in parallel, Max capacity of 327kWh.
    Suited to residential and commercial applications for increasing the self-consumption ratio.
  • Convenient
    Battery module auto networking, easy maintenance, support remote monitoring and upgrading, support USB drive upgrade the firmware.
  • Eco-Friendly
    Use environmental protection materials; the whole module is non-toxic, and pollution-free.
  • Three Mounting Methods
    19-inch Standard design, support rack-mounted, wall-mounted, and floor-mounted, saving installation space.
SKU: SE-G5.1 Pro-B Category:


Designed to cater to both residential and commercial applications, the SE-G5.1 Pro-B is a testament to Deye’s leadership in the high-end environmental electrical appliance industry and its pioneering role in new energy inverter technology and frequency conversion control core technology.

Key Features of the SE-G5.1 Pro-B Home Battery Storage Systems

Utilizing cobalt-free Lithium Iron Phosphate (LFP) battery technology, the SE-G5.1 Pro-B home battery storage systems ensure safety, high efficiency, and a long lifespan. This technology is complemented by an intelligent Battery Management System (BMS) that offers complete protection, making these home battery storage systems reliable and durable.

The SE-G5.1 Pro-B home battery storage systems are designed for high discharge power, supporting a wide operating temperature range from -20°C to 55°C. Its modular design allows for easy expansion, with the capability to connect up to 64 units in parallel, achieving a maximum capacity of 327kWh. This flexibility makes it suitable for increasing the self-consumption ratio in both residential and commercial settings.

The product features battery module auto-networking, facilitating easy maintenance and remote monitoring and upgrade capabilities. It supports USB drive upgrades for the firmware, ensuring that your home battery storage systems remain up-to-date with the latest technological advancements.

Deye’s commitment to environmental sustainability is evident in the SE-G5.1 Pro-B, which uses non-toxic, pollution-free materials throughout the module. This approach aligns with the global trend towards more sustainable and eco-friendly energy solutions.

The SE-G5.1 Pro-B home battery storage systems offer three mounting methods (rack-mounted, wall-mounted, and floor-mounted), providing flexibility in installation and saving valuable space. Its design is compatible with Deye’s low voltage hybrid inverters and other systems, ensuring seamless integration into existing setups.

Technical Data

Model SE-G5.1 Pro-B
Main Parameter
Battery Chemistry LiFePO4
Capacity (Ah) 100
Scalability Max. 64 pcs pack (327kWh) in parallel (Max. 32 pcs no external setup)
Nominal Voltage (V) 51.2
Operating Voltage(V) 43.2~57.6
Nominal Energy (kWh) 5.12
Usable Energy (kWh) [1] 4.6
Charge/Discharge Current (A) [2] Recommend 50
Max. 100
Peak(2mins,25℃) 150
Other Parameter
Recommend Depth of Discharge 90%
Dimension (W/H/D, mm) 440*133*540
Weight Approximate(kg) 45
Master LED Indicator 5LED(SOC:20%~SOC100%),3LED (working, alarming, protecting)
IP Rating of Enclosure IP20
Operating Temperature Charge: 0~55℃ ( Optional heating: -20℃~55℃ ),Discharge: -20℃~55℃
Storage Temperature 0~35℃
Humidity 5%~95%
Altitude ≤2000m
Cycle Life ≥6000(25℃±2℃,0.5C/0.5C,90%DOD,70%EOL)
Installation Wall-Mounted, Floor-Mounted,Rack-Mounted (19-inch standard cabinet, cabinet depth ≥600mm )
Communication Port CAN2.0, RS485
Warranty Period [3] 10 years
Energy Throughput 16MWh@70%EOL
Certification UN38.3, IEC62619, CE,UK, VDE2510-50, CEI 0-21, FCC, UL1973, UL9540A

[1] DC Usable Energy, test conditions: 90% DOD, 0.5C charge & discharge at 25℃. System usable energy may vary due to system configuration parameters.

[2] The current is affected by temperature and SOC.

[3] Conditions apply, refer to Deye Warranty Letter.


Datasheet-A-LV-3U Battery SE-G5.1 Pro-B V2.1

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