51.2V 20KWH Lifepo4 Lithium Solar Battery 48V 400Ah Lithium Ion Battery Pack 20Kwh Home Energy Storage System

Sunpok 51.2V 400Ah Lithium-Ion Battery: High-Capacity Home Energy Storage​​

​​Introducing the Sunpok 51.2V 400Ah Lithium-Ion Battery: Substantial Energy Storage for Your Home.​​

Demand more from your energy storage. Sunpok’s ​​51.2V 400Ah Lithium-Ion Battery​​ delivers significant capacity and reliable power, designed to strengthen your home’s energy independence and resilience. This ultra-high-capacity unit forms a dependable foundation for managing your essential power needs.

​​High Capacity, Serious Power:​​

• ​​20kWh Core Potential:​​ Built with advanced LiFePO4 (LFP) technology, this battery system provides a substantial 20kWh of usable energy (51.2V 400Ah). Support critical appliances during outages or strategically reduce grid dependency.
• ​​Modular Scalability:​​ Need greater capacity? The design allows multiple units to be connected in parallel, enabling you to scale your energy reserve to precisely meet your household’s power requirements.

​​Engineered for Dependability and Longevity:​​

• ​​Extended Cycle Life:​​ Engineered for over 8,000 deep cycles at 80% depth-of-discharge (DoD), ensuring years of resilient performance and long-term value.
• ​​Optimized Energy Use:​​ Benefit from low self-discharge and high charge/discharge efficiency, maximizing the use of your generated or stored power.
• ​​IP21 Protection:​​ Rated IP21 for protection against vertically dripping water and solid objects larger than 12.5mm. Features a naturally ventilated design for quiet operation.
• ​​Integrated Safety:​​ Comprehensive BMS protection safeguards against overcharge, over-discharge, overcurrent, short circuits, and extreme temperatures.
• ​​Space-Conscious Design:​​ A vertical, self-contained form factor maximizes energy density, easily fitting into garages, utility areas, or energy rooms.

​​Core Energy Reservoir Functionality:​​

The Sunpok 51.2V 400Ah Lithium-Ion Battery is engineered to serve as a robust energy reservoir within your compatible hybrid or off-grid inverter setup (inverter compatibility verification required). It provides fundamental, high-capacity energy storage directly.

​​Designed For:​​

• ​​Solar Energy Utilization:​​ Store significant surplus solar generation for use anytime.
• ​​Critical Backup Power:​​ Maintain essential home systems during unexpected grid interruptions.
• ​​Peak Load Shifting:​​ Manage energy costs by reducing consumption during high-tariff periods.
• ​​Off-Grid & Remote Power Systems:​​ Establish the reliable high-capacity core for independent energy solutions.

​​Sunpok 51.2V 400Ah Lithium-Ion Battery: High-Capacity Storage. Engineered for Resilience. Ready to Scale.​​

Explore the potential for robust home energy storage. Find full specifications and technical details at ​​sunpok.com​​.

​​Sunpok Lithium Batteries: Built for Capacity. Engineered for Endurance.​

​

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.