China
Meet the next level in residential and commercial energy storage—the LiFePO4 400Ah 20kW solar battery bank, a powerful and efficient solution designed to store and deliver clean energy for homes, businesses, and off-grid projects. Whether you’re installing a new solar system or upgrading an existing one, this 20kWh solar battery gives you more energy capacity, longer lifespan, and greater independence from the grid.
Built with high-performance LiFePO4 400Ah cells and advanced battery management, this high capacity lithium battery system delivers 20,000 watts of continuous power output—more than enough to support large appliances, HVAC systems, electric vehicles, and entire homes.
Quick Specs at a Glance
Lithium Iron Phosphate (LiFePO?) is the most reliable and safe chemistry for large energy storage applications. The LiFePO4 400Ah configuration offers tremendous capacity while maintaining stability, efficiency, and minimal maintenance.
Unlike lead-acid batteries that degrade quickly, this high capacity lithium battery retains more than 80% capacity even after years of daily use.
20kW Battery Output for Full Home and Commercial Loads
This system features an integrated 20kW battery inverter, giving you industrial-grade output capacity. Easily support all your critical and non-critical loads without the need to split circuits.
What 20kW Powers:
The 20kWh solar battery ensures not only high power delivery but also deep, dependable storage for energy-intensive environments.
Optimized for Solar Applications
Pair this unit with rooftop or ground-mounted solar panels to create a self-sufficient solar power battery bank that captures and stores your excess solar generation. Perfect for both grid-tied and off-grid setups.
Solar Compatibility:
Store your daytime solar energy and use it at night or during outages without touching the grid.
Behind the scenes, a sophisticated BMS monitors every cell for health, balance, and safety—maximizing the life and reliability of the system.
BMS Features:
Whether you’re looking for security during blackouts, full off-grid capability, or simply to slash your electricity bill, this 20kWh solar battery adapts to any scenario.
Ideal For:
What’s Included
Installation & Expandability
Designed for professionals and DIYers alike, this system is easy to set up and expand. It arrives pre-wired and pre-configured for rapid deployment.
Installation Perks:
Eco-Conscious & Financially Smart
This high capacity lithium battery not only protects your home—it protects the planet and your wallet.
Environmental Benefits:
Financial Incentives:
Frequently Asked Questions
Q: Can I install this myself?
Yes, for off-grid setups or solar professionals. For grid-tied systems, we recommend a certified electrician.
Q: How long will it power my home?
Depending on load, it can run critical appliances for 1–3 days. For full coverage, you can stack multiple systems.
Q: Can I use this without solar?
Yes. It can be charged from the grid or generator if needed.
Q: What kind of maintenance is required?
None. It’s a sealed, maintenance-free system with smart self-management.
Q: Is it safe indoors?
Absolutely. LiFePO? is the safest lithium chemistry with no risk of thermal runaway or toxic fumes.
Final Thoughts
The LiFePO4 400Ah 20kW solar battery isn’t just another battery—it’s a complete power solution engineered for reliability, longevity, and real-world performance. Whether you’re going off-grid, preparing for outages, or building a sustainable home energy system, this solar power battery bank gives you the flexibility and control you need.
With 20kWh of capacity, a smart inverter, and solar integration, it’s more than storage—it’s power on your terms.
Power big. Store more. Live free—with the LiFePO4 400Ah 20kW high-capacity lithium battery system.







