20kwh Residential Household Energy Solar Storage 48V 51.2V Lithium Ion Battery

Product Specification

Uncompromised Home Power Reserve: Sunpok 51.2V 400Ah Vertical Energy Storage​​

Meet substantial energy demands with the ​​Sunpok 51.2V 400Ah Lithium Iron Phosphate Battery​​. Engineered to deliver a significant ​​20.48kWh power reserve​​, this vertical solution offers homeowners a robust foundation for extended backup power or increased renewable energy utilization.

​​Core Strength: Reliable, High-Capacity Performance​​

• ​​Substantial Energy:​​ 400Ah capacity provides extended runtime for essential appliances and systems during outages.

• ​​Stable Voltage:​​ 51.2V nominal voltage ensures efficient compatibility with standard residential hybrid/off-grid inverters.

• ​​Inherent Safety:​​ Utilizing LiFePO4 chemistry with integrated BMS protection (overcharge, discharge, short circuit, overheating) for secure home operation.

• ​​Practical Protection:​​ IP21 enclosure rating ensures suitability for standard indoor environments.

• ​​Longevity Focus:​​ LiFePO4 technology supports extended operational life through deep-cycle capability.

​​Space-Conscious, Stable Design​​

The vertical configuration offers inherent structural stability and minimizes spatial requirements. This self-contained design integrates into utility areas, garages, or basements, prioritizing functional space utilization without complex mounting.

​​Scalable Energy Security​​

The Sunpok 51.2V 400Ah unit provides a tangible increase in home energy resilience:

• ​​Extended Backup:​​ Sustain critical loads longer during grid instability.

• ​​Solar Maximization:​​ Store surplus solar generation for use during evening hours or low-production periods.

• ​​System Foundation:​​ Build a core reserve capable of powering higher-demand circuits or expanding future capacity.

​​Key Specifications:​​

• ​​Nominal Voltage:​​ 51.2V

• ​​Nominal Capacity:​​ 400Ah (20.48kWh Usable Energy)

• ​​Chemistry:​​ Lithium Iron Phosphate (LiFePO4)

• ​​Enclosure:​​ IP21 Rated

• ​​Configuration:​​ Vertical

​​Access Details & Documentation:​​

Technical specifications, operational parameters, and dimensional data are available at ​​sunpok.com​​.

​​Sunpok 51.2V 400Ah: A substantial, vertically integrated power reserve for confident home energy management.​

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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!