20KWh Lifepo4 Lithium Ion Batteries 51.2V 400Ah Home Solar Energy Storage System

SunPok 51.2V 400Ah Home Lithium Energy Storage: Power Your Independence​​

​​Tired of being at the mercy of the grid?​​ Imagine reliable backup power at your fingertips, ready to keep your essential appliances running when the lights go out. SunPok introduces its robust ​​51.2V 400Ah Residential Lithium Battery System​​, engineered for households demanding substantial energy capacity and dependable performance.

​​Uncompromising Capacity, Dependable Backup​​
At the core of this SunPok solution lies a substantial ​​20.48kWh energy storage capacity​​. This vast reserve is designed to power critical household loads – refrigerators, lighting, communication devices, and other essentials – providing genuine peace of mind during extended grid outages. Whether facing unpredictable weather or routine maintenance downtime, your home maintains power stability.

​​Engineered Stability with Essential Protection​​
SunPok prioritizes safety and longevity. The 51.2V 400Ah battery incorporates a sophisticated built-in Battery Management System (BMS). This critical system continuously monitors cell voltage, current, and temperature, guarding against overcharge, over-discharge, over-current, and short circuits. While featuring an IP21 rating suitable for indoor environments, please ensure placement away from direct moisture exposure.

​​Optimized for Home Energy Management​​
This high-capacity lithium battery system offers significant ​​depth of discharge (DoD)​​ advantages compared to traditional alternatives. Effectively utilize more of your stored energy daily to maximize your investment. Its lithium-ion technology translates to a longer operational lifespan and excellent energy density, delivering reliable power within a practical footprint for its capacity.

​​Seamless Integration Focus​​
The 51.2V 400Ah system is designed for compatibility with common residential hybrid or off-grid solar inverters operating within the 48V battery voltage class. For detailed compatibility requirements and electrical specifications, homeowners should refer directly to the comprehensive technical documentation available at ​​sunpok.com​​. Professional installation tailored to local electrical codes is required to ensure optimal performance and safety. Consult with a certified electrician.

​​SunPok: Simplified Power Solutions​​
SunPok focuses on delivering core energy storage technology. We provide robust lithium battery systems based on proven stability and performance characteristics – substantial capacity, integrated BMS protection, and essential design engineering for residential use.

​​Ready to enhance your home's energy resilience?​​
Discover the full specifications and design details of the SunPok 51.2V 400Ah Lithium Energy Storage Battery. Visit ​​sunpok.com​​ to learn more about securing dependable power independence for your household.

​​SunPok. Built for Capacity. Engineered for Stability.​

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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.