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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!
48V 51.2V 300Ah Lithium Ion Battery 15Kwh Powerwall Home Energy Storage System Solar LiFePO4 Batteries

Contact me for free samples and coupons.
WhatsApp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xFeatures | Canbus / RS485 Communication | Battery Type | Lithium Ion Battery , LiFePO4 |
---|---|---|---|
Application | Electric Solar Energy Power Systems | Type | Split |
Nominal Voltage | 48V / 52V | Package | Wooden Box |
Protection Class | Ip55 | Shipping | By Express, By Air, By Sea |
Grid Connection | Off Grid, Hybrid Grid | Cell Type | Grade-A Lithium-ion |
Protection | BMS | Certification | PSE/IEC62133/METI/CE/REACH |
Highlight | 48V 300Ah lithium ion battery,15kWh solar powerwall system,51.2V LiFePO4 home energy storage |
Uninterrupted Power, On Your Terms: Sunpok 51.2V 300Ah Home Battery
Elevate your home energy security with the Sunpok 51.2V 300Ah Lithium-Ion Energy Storage Solution. Designed for homeowners seeking substantial power capacity and dependable daily operation, this battery offers a straightforward path to greater energy resilience.
Store More Energy, Reduce Grid Reliance
Access a significant 15.36kWh of usable power storage. The Sunpok 300Ah battery empowers you to maintain essential household functions—running refrigerators, lighting, communication devices, and more—during unexpected grid disruptions or high-cost utility periods. Store energy for when you truly need it, translating into tangible control over your electricity expenses.
Robust Performance & Broad Compatibility
Engineered for consistent output, this 51.2V unit works efficiently with a wide range of common home energy systems and compatible solar inverters sharing the same voltage specification. It reliably delivers power to sustain household loads, ensuring critical appliances stay operational through challenging situations. Performance focus is paramount.
Reliable Indoor Placement
Housed in a durable, space-conscious enclosure rated IP21, the Sunpok battery is designed for indoor environments like garages or utility rooms. This protection safeguards against incidental vertical water drips and larger solid particles. Its advanced Battery Management System (BMS) diligently monitors key parameters (voltage, temperature, current) to prioritize operational stability and longevity.
The Essence of High-Capacity Storage
Sunpok’s solution eliminates unnecessary complexity. It delivers core value: massive energy storage in a single unit. Homeowners benefit from its substantial capacity without added features or integrations beyond the robust battery itself. It’s engineered purely for dependable energy reserve when grid power falters or costs soar.
Secure Your Home’s Energy Foundation
Discover the potential of predictable power backup. Visit sunpok.com to explore detailed specifications for the 51.2V 300Ah home battery system. Take the next step towards a self-reliant energy future today.
Sunpok: Power Stored, Confidence Delivered.
48V Energy Storage Lithium Battery Parameters
ltem | Unit | SP-48200-YD | SP-48300-YD |
Nominal Parameters | |||
Battery Type | / | LiFeP04 Battery Module | |
Normal capacity(25°c,0.5C) | Wh | 10240 | 15360 |
Rated Voltage | Vdc | 51.2 | |
Voltage window | Vdc | 44~57.6 | |
Full Charge Voltage | Vdc | 57.6 | |
Low DC Cut-Off Voltage | Vdc | 44 | |
Max. Continue Discharge Current | A | 200 | |
Max. Pulse Discharge Current | A | 300A 30Sec. | |
Max. Continue Charge Current | A | 200 | |
Cycle Life(+25°c,0.5C,80%DOD) | Times | ≥6500 | |
Terminal | / | M8 | |
Storage Temperature | ℃ | 0~30 | |
Charging Temperature | ℃ | 0~40 | |
Discharge Temperature | ℃ | -20~60 | |
BMS Communication | / | CANBUS/RS485 | |
Certification | / | CE/UN38.3/MSDS | |
lp Degree | / | IP21 | |
Protection | / | Overcharge Protection,Overdischarge Protection, Overcurrent Protection.Shortcircuit Protection,Overtemperature Protection | |
Ambient | |||
Humidity | / | 0~95%(No Condensation) | |
Sea Leve | m | ≤1500 | |
Dimension | |||
LxWxH (Products Size) | mm | 930*510*290 | |
LxWxH (Package size) | mm | 1050*580*390 | |
Weight(Nw) | kg | 108 | 145 |
Weight(Gw) | kg | 130 | 168 |
20GP QTY | Pcs | 120 |
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.
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!