20kWh Home Solar Storage System 400Ah 20.48kWh Commercial Solar Battery
20kWh Expandable Home & Commercial Solar Battery
Engineered with high-performance Grade A LiFePO4 cells, this 20.48kWh stackable energy storage system delivers 6000+ deep cycles for long-lasting, reliable power. Its 4-layer modular, mobile design features integrated casters for easy movement, supporting tool-free plug-and-play installation and flexible capacity expansion to meet growing energy needs. With 200A max charging and 400A max discharging current, multi-level safety protections, real-time BMS monitoring, and international certifications, it is ideal for high-capacity solar energy storage and comes with CAN2.0/RS485 interfaces for seamless system integration.
Battery Details
| Nominal Voltage | 51.2V |
| Nominal Capacity | 400Ah @ 0.2C |
| Rated Energy | 20.48kWh |
| Max Charge/Discharge Current | 200A / 400A |
| Internal Resistance | ≤180mΩ (AC1KHz) |
| Cell | 3.2V 100Ah, 16S4P |
| Protection Level | IP51 |
| Dimension | 610*440*760 |
| Weight | 212.9kg |
| Working Temp Range | Charge: 0℃~45℃; Discharge: -20℃~60℃ |
Key Features
- Industrial-grade Grade A LiFePO4 cells with 6000+ deep cycles, built for heavy-duty, long-term use
- 4-layer modular stackable design with integrated mobile casters, enabling tool-free plug-and-play installation and flexible expansion
- High-power performance with 200A max charge and 400A max discharge current, supporting fast charging and high-output loads
- IP51-rated dust and moisture protection, comprehensive multi-level safety safeguards, and real-time BMS monitoring
- CAN2.0/RS485 communication ports for seamless integration with solar inverters and energy management systems
- Robust cold-rolled steel housing with natural cooling, ensuring stable operation in diverse environments
Typical Applications
- High-capacity residential solar energy storage systems
- Whole-home backup power for full-house load support during outages
- Off-grid power supply for remote farms, communities, and industrial sites
- Medium-sized commercial energy storage and peak shaving
- Critical equipment UPS for offices, small businesses, and telecom facilities
- Large-scale mobile power for construction sites and outdoor events
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