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Andrés AntonioHighly recommended product supplier very responsive.
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DavidPerfect product and high-quality service, thank the SUNPOK team.
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Mario HarrerAmazing hybrid system. Works perfect. Thanks Rainbow, your support is more than 100%. I only buy from Sunpok anymore. 5 star PLUS rating!
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Stanley UkaohaSunpok is the best marketer I have ever met, very polite, and always ready to render assistance at all times.
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Dain Thomasvery helpful and supportive. my first choice for any related products
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James LambrightTop Service, top Company!
2025 51.2V 400Ah 20kWh EVE 8000 Cycles 20KWh Mobile Lifepo4 Lithium Solar Battery Floor Mounted Home Energy Storage System
Place of Origin | Guangdong, China |
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Brand Name | SUNPOK |
Certification | CE, TUV, IEC,VDE,CEI,ROHS, |
Model Number | SP-OF-20KW-230V |
Minimum Order Quantity | 1 Unit |
Price | Face to face |
Packaging Details | Carton or Wooden Box |
Delivery Time | 5-10 Days |
Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Ability | 200+Unit+Per Days |

Contact me for free samples and coupons.
WhatsApp:0086 18588475571
Wechat: 0086 18588475571
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If you have any concern, we provide 24-hour online help.
xBattery Type | LiFeP04 | Output Power Range | 5~20 KWh |
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System Type | Wall-mounted | Model Number | SP-48100-YD Power Storage Wall |
Brand Name | SUNPOK ENERGY | Grid Connection | Off Grid, Hybrid Grid |
Cycle Life | >6500 Times | Hybrid Inverters Compatible | Solax,Goodwe,Lantruan,Sofarsolar,GMDE, Etc |
The Charging Ratio | 0.2C~1C | The Discharge Rate | 0.2C~1C |
Voltage | 48V/51.2V Optional | Usage | Home Storage Power System |
Highlight | Mobile Lifepo4 Lithium Solar Battery,400Ah 20KWh Lithium Battery,Floor Mounted Energy Storage System |
Power Your Home, Day & Night: Sunpok 51.2V 400Ah Home Energy Hub
Tired of soaring electricity bills? Concerned about the next grid outage? Take decisive control of your home energy independence with the Sunpok 51.2V 400Ah LiFePO4 Battery – the robust, high-capacity core of your self-sufficiency strategy.
Engineered for Endurance & Reliability
At the heart of any dependable home energy storage system is a powerful battery. Sunpok delivers precisely that. This high-voltage (51.2V) 400Ah LiFePO4 unit provides a substantial 20.48kWh of usable energy storage. That's significant power to sustain essential appliances and critical circuits when you need it most. Experience the security of knowing your refrigerator keeps running, your lights stay on, and your devices remain charged, even when the grid fails.
Key Features Built for Real Home Needs:
- High-Capacity LiFePO4 Technology: Leverage the superior safety, longevity (thousands of cycles), and stable performance inherent in Lithium Iron Phosphate chemistry. This technology offers excellent value over time, minimizing degradation.
- Substantial 20.48kWh Storage: Power essentials for extended periods: lights, refrigerators, fans, modems, TVs, and small appliances. How long depends on your specific usage, but this capacity provides substantial backup headroom for typical household needs during outages.
- Dependable BMS Protection: An integrated Battery Management System continuously monitors voltage, current, and temperature. It safeguards your investment against overcharging, deep discharge, overload, short circuits, and extreme temperatures, ensuring safe operation year-round.
- Rugged Construction: Designed for reliable performance in residential environments. Its IP21 rating provides protection against light moisture and dust intrusion.
- Flexible Mounting: The practical vertical design saves valuable floor space and integrates cleanly into garages, utility rooms, or dedicated energy storage areas.
- Optimized for Solar + Battery Systems: This battery unit seamlessly integrates with compatible solar power systems, empowering you to store abundant solar energy generated during the day for use around the clock – maximizing your solar investment and significantly reducing grid dependence.
Simplify Your Energy Management
The Sunpok 51.2V 400Ah battery offers a straightforward solution for significant home energy resilience and cost savings:
- Daytime Power: Charge efficiently using solar panels or lower off-peak grid electricity rates.
- Nighttime & Peak Savings: Discharge stored power during high-tariff hours or at night to slash your electricity bills.
- Grid Outage Protection: Automatically switch to battery power to keep critical loads operational during unexpected blackouts – providing essential peace of mind.
A Solid Foundation for Your Energy Goals
The Sunpok 51.2V 400Ah LiFePO4 Battery isn't about fleeting features or unsubstantiated claims. It's about providing substantial, reliable energy storage capacity built on proven LiFePO4 technology. It's the cornerstone for homeowners seeking tangible energy independence and cost efficiency.
Ready to take the first step towards greater energy resilience? Explore the technical details and discover how this powerful battery unit can become the heart of your home energy system.
Visit our product page: sunpok.com
48V Energy Storage Lithium Battery Parameters
Storage Type | dry, cool and ventilation |
Anode Material | LFP |
Application | Home Appliances, Uninterruptible Power Supplies, Electric Forklifts |
Brand Name | SUNPOK |
Model Number | SP-48400-YD-KH |
Warranty | 10YEARS |
Battery Size | Lithium Ion |
Place of Origin | Guangdong, China |
Weight | 65Kg |
The charging ratio | 0.5c |
The discharge rate | 0.5c |
Nominal Voltage | 51.2V /16S |
Battery cell | A-Grade 3.2V 100Ah LifePO4 Cell |
Type | Li-Ion/lithium/lifepo4 |
BMS | Smart BMS |
Inverter Matched | Solax / Deye / Growatt / Victron / Goodwe / Sofar Solar etc. |
MOQ | 1 Pcs |
Cycle life | 6500 |
Application | Energy Storage System |
OEM/ODM | Customized OEM ODM Battery Pack |
Package Type | Wooden Box |
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!