5~30kWh Great Wall Series Residential ESS
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
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5–30kWh capacity range, expandable to match different household energy needs.
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Wall-mounted design saves space, ideal for apartments, garages, and urban homes.
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Seamless solar integration with support for both single- and three-phase inverters.
Reliable Safety & Long Lifespan
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Safe LiFePO₄ cells with low fire risk and certified compliance.
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Intelligent BMS with built-in redundancy ensures 24/7 system protection.
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Durable design with 6,000+ cycles and 15+ year lifespan, even in tough climates.
Easy to Use & Cost-Effective
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Plug-and-play installation for faster, simpler setup.
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Smart monitoring via mobile app for real-time energy insights and fault alerts.
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High usable energy (90% DoD) and low standby consumption, boosting homeowner ROI.
Product Parameters
| Model | Great Wall W05 | Great Wall W10 | Great Wall W20 | … | Great Wall W30 |
| Configuration | 2P16S | 2P16S:2pcs | 2P16S:4pcs | … | 2P16S:6pcs |
| Size | 600*900*220mm | 600*1200*220mm | 600*1800*220mm | … | 600*2400*220mm |
| Weight | 67kg | 109kg | 193kg | … | 277kg |
| Nominal Voltage | 51.2V | 51.2V | 51.2V | … | 51.2V |
| Voltage Range | 40-58.4V | 40-58.4V | 40-58.4V | … | 40-58.4V |
| Rated Capacity | 100Ah | 200Ah | 400Ah | … | 600Ah |
| Rated Energy | 5.12kWh | 10.24kWh | 20.48kWh | … | 30.72kWh |
| Max.Charge Current | 50A | ||||
| Max.Discharge Current | 100A | ||||
| Depth of Discharge | 90% | ||||
| Communication Protocol | CAN/RS485 | ||||
| Cycle Life | ≥6000times @25℃ 0.5C | ||||
| Operating Temp.Range | Charge:0~55℃;Discharge:-10~35℃ | ||||
| System Certification | IEC/EN 62619, IEC/EN 61000, IEC/EN 62040, UL1973, UL9540A | ||||
