Residential ESS

5~30kWh Great Wall Series Residential ESS

5~30kWh Great Wall Series Residential ESS is a safe, modular storage solution for solar self-use, backup power, and off-grid homes. Featuring LiFePO₄ cells, iBMS protection, and >6,000 cycles, it offers long-lasting, reliable performance. The wall-mounted design supports flexible capacity, smart monitoring, and quick installation—ideal for modern home energy needs.


Details

 

 

Applications

Residential Energy Management

Ideal for homes to optimize self-consumption of solar power, reduce reliance on the grid, and lower electricity bills through storing excess daytime energy for nighttime use.

Backup Power Supply

Provides reliable emergency power during outages for critical household devices (e.g., medical equipment, refrigeration, lighting), ensuring uninterrupted operation in regions with unstable grids.

Off-Grid Living

Supports remote or rural homes without grid access by integrating with solar/wind systems, offering autonomous 24/7 energy supply.

Grid Services (Optional)

Enables demand response programs or feed-in tariff optimization in regions where residential storage can participate in grid stability initiatives.

 

Key Highlights

Scalable & Flexible for Every Home

  • 5–30kWh capacity range, expandable to match different household energy needs.

  • Wall-mounted design saves space, ideal for apartments, garages, and urban homes.

  • Seamless solar integration with support for both single- and three-phase inverters.

 

Reliable Safety & Long Lifespan

  • Safe LiFePO₄ cells with low fire risk and certified compliance.

  • Intelligent BMS with built-in redundancy ensures 24/7 system protection.

  • Durable design with 6,000+ cycles and 15+ year lifespan, even in tough climates.

 

Easy to Use & Cost-Effective

  • Plug-and-play installation for faster, simpler setup.

  • Smart monitoring via mobile app for real-time energy insights and fault alerts.

  • High usable energy (90% DoD) and low standby consumption, boosting homeowner ROI.

Product Parameters

ModelGreat Wall W05Great Wall W10Great Wall W20Great Wall W30
Configuration2P16S2P16S:2pcs2P16S:4pcs2P16S:6pcs
Size600*900*220mm600*1200*220mm600*1800*220mm600*2400*220mm
Weight67kg109kg193kg277kg
Nominal Voltage51.2V51.2V51.2V51.2V
Voltage Range40-58.4V40-58.4V40-58.4V40-58.4V
Rated Capacity100Ah200Ah400Ah600Ah
Rated Energy5.12kWh10.24kWh20.48kWh30.72kWh
Max.Charge Current50A
Max.Discharge Current100A
Depth of Discharge90%
Communication ProtocolCAN/RS485
Cycle Life≥6000times @25℃ 0.5C
Operating Temp.RangeCharge:0~55℃;Discharge:-10~35℃
System CertificationIEC/EN 62619, IEC/EN 61000, IEC/EN 62040, UL1973, UL9540A
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