48V 400Ah Solar Lithium Battery Pack 20kwh Solar Energy System LiFePO4 Energy Storage Battery

Sunpok 20.48kWh Home Battery: Core Energy Security

Take control of your home's energy independence with the Sunpok 51.2V 400Ah Lithium-Ion Battery. Designed for homeowners seeking reliable backup power and greater energy autonomy, this high-capacity 20.48kWh storage solution delivers the core performance you need.

​​Substantial Capacity for Essential Needs​​
Harness a significant 20.48kWh of stored energy. This substantial capacity provides extended runtime for critical loads during grid outages, powers your essential appliances overnight, or helps maximize the benefit of your solar generation. Plan confidently knowing sufficient energy is available when you need it most.

​​Engineered for Reliability: LiFePO4 Power​​
The Sunpok battery utilizes advanced Lithium Iron Phosphate (LiFePO4) chemistry. Renowned for its intrinsic safety, exceptional thermal stability, and remarkable cycle life (over 8000 cycles at 80% DoD), this technology ensures long-term, dependable performance year after year. Focus on your energy goals, not constant battery replacement.

​​Integrated Battery Management System (BMS)​​
At the core of the Sunpok battery is a sophisticated multi-stage BMS. It continuously monitors and protects the cells, ensuring safe operation by managing voltage, current, and temperature parameters. This proactive system safeguards your investment and optimizes the lifespan of the battery pack.

​​Space-Optimized Design​​
The vertical, wall-mount form factor of the Sunpok 20.48kWh battery is engineered to minimize its footprint. Efficiently install it in garages, utility rooms, or dedicated energy spaces, freeing up valuable floor area while integrating seamlessly into your energy management setup. Please note: Professional installation by a qualified electrician is required.

​​Build a Foundation for Energy Resilience​​

• ​​Substantial Energy:​​ 20.48kWh capacity powers essential loads reliably.
• ​​Long-Term Performance:​​ LiFePO4 chemistry ensures safety and thousands of deep cycles.
• ​​Continuous Protection:​​ Advanced BMS safeguards cell health and operational safety.
• ​​Space Efficient:​​ Wall-mounted vertical design conserves valuable floor space.

The Sunpok 51.2V 400Ah Home Battery represents a commitment to fundamental energy storage performance: robust capacity, enduring safety, and intelligent management. It’s engineered as a core component for building your home's long-term energy security strategy, powered by proven LiFePO4 technology.

​​Learn More About Core Energy Storage:​​ sunpok.com

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48V Energy Storage Lithium Battery Parameters

About Sunpok Energy

Guangzhou Sunpok Energy Co., ltd. is a high-tech enterprise integrating battery research and development, design, and production. It was registered in Guangzhou, China in 2016.

After years of development, sunpok energy has become a leader in China's energy storage industry, vertically integrated upstream and downstream supply chain resources, continuously optimized the company's product matrix, improved product performance, and won praise from customers at home and abroad.

The products of sunpok energy have been sold all over the world, bringing green energy to more than 12,000 families and units. At present, the products of sunpok energy mainly include:

1. Energy Storage Lithium Battery
2. 48V Lithium Ion Battery
3. Lithium Portable Power Station
4. All In One ESS
5. Complete Off Grid Solar System
6. Hybrid Solar System Kit
7. Wind Solar Hybrid Power System
8. Off Grid Inverter
9. Deep Cycle Lithium Battery
10. 12V Gel Battery
11. Mono PV Panels
12. Residential Wind Turbine
Mutual benefit and win-win results have always been the tenet of Sunpok Energy. In the future, sunpok energy will work with partners to scale new heights with a more inclusive attitude.


48V Energy Storage Lithium Battery Product Display
The production of energy storage lithium batteries is operated by professional workers with more than 5 years of experience.

Use the world's leading testing equipment to carry out comprehensive testing of batteries.

Strong R & D and production capacity of energy storage lithium battery, can provide OEM/ODM service for partners all over the world.

Customers visiting the factory

48V Energy Storage Lithium Battery Project Display

FAQ
Question 1: Are you a factory or a trader?
Answer 1: We are a manufacturer of batteries, and can also provide solutions for the entire solar system.
Question 2: What is the lead time?
Answer 2: We can deliver within 3-15 days.
Question 3: What is the warranty period, and how many years?
Answer 3: The warranty period for batteries is 5-10 years.
Question 4: How is your technical support?
Answer 4: We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you a video call anytime, our engineer will also go to overseas help our customers if necessary.
Question 5: How to become your agent?
Answer 5: Contact us through the website, email, or phone, and we can talk about details to confirm.
Question 6: Is the sample available and free?
Answer 6: The sample will be charged a cost, but the cost will be refunded after the bulk order.
Question 7: Do you support OEM/ODM?
Answer 7: Of course, we can do customized services for our partners.
If you have other questions, please add the contact information of our sales manager to understand, thank you!

Sunpok Energy provides reliable and efficient home solar energy storage solutions using advanced lithium iron phosphate (LiFePO4) battery technology.

Our product portfolio includes 51.2V low-voltage home energy storage batteries, home solar system kits, integrated energy storage systems, and commercial high-voltage energy storage systems, offering flexible configurations to meet diverse energy needs.

Utilizing a long-lasting lithium iron phosphate (LiFePO4) chemistry, our products boast a cycle life exceeding 8,000 cycles.

Compatible with both off-grid and hybrid (grid-connected) systems.

Certified by UL, IEC, CE, and UN38.3.

Backed by a 5+ year warranty for peace of mind.

Whether for single-family homes, villas, or apartments, or commercial spaces like supermarkets and factories, Sunpok's solar systems and energy storage batteries can help lower electricity bills, increase energy independence, and provide backup power during power outages, making reliable, clean energy more accessible to customers.