Residential ESS – SE-G5.1

Higher yields / Safe & Reliable / Smart / User-friendly
The SE-G5.1 is a compact low-voltage lithium battery system tailored for residential energy storage needs. With a 5.1 kWh capacity, it provides an efficient solution for enhancing solar self-consumption, offering backup power, and lowering electricity bills. Designed for easy installation and reliable performance, the SE-G5.1 ensures long-lasting operation with intelligent BMS protection.
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  • 5.1 kWh capacity ideal for small to medium energy needs
  • Smart BMS for system protection and battery health
  • Modular design supports future scalability
  • Seamless integration with low-voltage hybrid inverters
  • Perfect for solar backup and energy optimisation at home
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Technical Data

Model SE-G5.1 SE-G10.2
Main Parameter
Battery Chemistry LiFePO₄
Nominal Capacity [1] 100 Ah 200 Ah
Nominal Voltage 51.2 V
Operating Voltage 44.8 V ~ 57.6 V
Nominal Energy [1] 5.12 kWh 10.24 kWh
Cell Configuration 1P16S 2P16S
Scalability [2] Max. 64 pcs pack (327kWh) in parallel Max. 64 pcs pack (655kWh) in parallel
Charge Current [3] Max. Continuous: 50 A Max. Continuous: 100 A
Peak: 100 A (10 sec) Peak: 200 A (10 sec)
Discharge Current [3] Max. Continuous: 50 A Max. Continuous: 100 A
Peak: 100 A (10 sec) Peak: 200 A (10 sec)
Other Parameter
Recommend Depth of Discharge 80% DoD
Dimension 440 × 540 × 133 (W × D × H, mm) 710 × 540 × 133 (W × D × H, mm)
Weight Approximate 44 kg 85 kg
Master LED Indicator 5LED ( SOC : 20% ~ SOC100% ), 3LED ( working, alarming, protecting )
Communication Port CAN2.0, RS485
IP Rating of Enclosure IP20
Operating Temperature Charge: 0 ~ 55°C,
Discharge: -20°C ~ 55°C
Storage Temperature 0 ~ 35°C
Relative Humidity 95%
Altitude ≤2000 m
Cycle Life [4] ≥6000 (25°C±2°C, 0.2C / 0.2C, 80%DOD, 70%EOL)
Warranty Period [4] 5 years
Installation Floor-Mounted (Stacked), Wall-Mounted,
Rack-Mounted (cabinet depth ≥600mm)
Certification UN38.3, MSDS
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