2025 10000 Cycles 51.2V 400AH 48V LiFePO4 Solar 20kwh 20kw Home Energy Storage Battery Lithium Batteries

​Reliable Home Energy Storage: Sunpok 51.2V 400Ah Floor-Standing Battery​​

Meet your home's energy needs with the Sunpok 51.2V 400Ah lithium-ion battery. Designed for simplicity and performance, this floor-standing energy storage solution provides a substantial capacity to support daily electricity use, offering an accessible path toward greater energy self-sufficiency.

Ideal for residential applications, this model combines high capacity with a stable voltage output, making it well-suited for solar energy storage or backup power requirements. The unit’s thoughtful design allows it to integrate easily with existing home energy systems, and its upright form factor helps conserve space while maintaining accessibility.

The built-in IP21 rating ensures basic protection against dust and water droplets, reinforcing its suitability for indoor use. Constructed with premium lithium-ion technology, the battery offers extended cycle life, high efficiency, and minimal upkeep over time.

Compatible with a variety of inverters and charge controllers, the Sunpok battery delivers a consistent power supply when you need it most. It’s an excellent option for those seeking to enhance their home energy resilience without complexity.

Features:

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  51.2V & 400Ah Capacity

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  Lithium-Ion Technology

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  IP21 Protection

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  Space-Saving Floor Design

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  Wide Inverter Compatibility

Designed for homeowners who value reliability and simplicity, the Sunpok 51.2V 400Ah battery helps you make the most of your energy—day or night.

Learn more at 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!