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Sunpok 51.2V 300Ah: Engineered Capacity for Residential Energy Independence
The transition to residential solar requires a storage solution capable of handling real-world household dynamics. The Sunpok 51.2V 300Ah Floor-Standing Lithium Battery addresses this requirement by delivering a consolidated 15.36kWh nominal capacity within a single, vertically oriented cabinet. Designed for integrators and educated homeowners, this unit eliminates the complexity of stringing together multiple smaller modules, providing a clean, high-density power reserve for daily cycling or extended backup scenarios.
High-Density LiFePO4 Platform
Utilizing Lithium Iron Phosphate (LiFePO4) chemistry, the battery offers a stable and maintenance-free energy source. The 51.2V architecture aligns perfectly with the operational parameters of 48V-class hybrid and off-grid inverters commonly deployed in modern solar installations. The 300Ah capacity provides the necessary headroom to manage high-demand periods, supporting everything from refrigeration and lighting to well pumps and climate control systems without premature voltage sag. This makes it a practical choice for regions experiencing frequent grid instability or for users aiming to maximize their self-consumption rates.
Precision Control via Integrated BMS
System longevity is safeguarded by a sophisticated internal Battery Management System (BMS). This firmware-driven layer actively manages cell balancing and monitors critical thresholds to ensure the pack remains within optimal operating conditions. For seamless system integration, the unit supports both CAN and RS485 communication protocols. This allows the battery to communicate directly with the inverter, enabling automated charge rate adjustments based on real-time load requirements and state-of-charge metrics, thereby maximizing the efficiency of the entire energy ecosystem.
Robust Indoor Configuration
Physically, the unit is constructed as a standalone floor cabinet, designed for protected indoor environments. The IP21 enclosure rating ensures protection against solid foreign objects and vertically dripping water, making it suitable for installation in utility rooms, garages, or dedicated equipment closets. The design prioritizes serviceability, featuring clearly labeled terminals and a logical layout that streamlines the commissioning process for certified electricians. Its vertical profile reduces the floor space required compared to rack-mounted alternatives, fitting neatly into standard residential infrastructure.
A Component for Professional Systems
Sunpok positions this product as a core component for bespoke energy solutions. It is intended for installation by qualified professionals who can ensure proper integration with existing electrical panels and solar arrays. For distributors and installers, the 51.2V 300Ah model represents a reliable, high-capacity option that simplifies inventory management and reduces on-site labor associated with multi-unit configurations. It is a foundational element designed to deliver consistent performance throughout its operational lifecycle.
About Sunpok
Sunpok focuses on the research, development, and manufacturing of advanced lithium battery storage systems. Our commitment is to provide robust hardware that empowers the global shift toward renewable energy. We equip our partners with the necessary technical documentation to facilitate smooth project execution and long-term system reliability.
For detailed specifications, wiring diagrams, and protocol details, visit sunpok.com.
Highlights at a glance
51.2V 300Ah 15KWh Lithium ion Battery for Home/Household Solar Energy Storage System
Brand New A-Grade LiFePO4 Cells
Battery Manufacturing Factory, with Low Prices
With Years of Experience in Battery Manufacturing, Our Products Are Safer
The Battery is Equipped with JK Smart BMS (Battery Management System) for Multiple Protections
Life More Than 8000 Times
Maximum Support For 15PCs In Parallel
Battery Compatible With All Mainstream Inverter Brands, Such as SAM, Victron Energy, Goodwe, Solis, Schneider, Deye, Growatt, Voltronic, Sofar, SUNGROW, LUXPOWER, Phocos, KEHUA, INVT, MUST, MEGAREVO, SOLAX, HUAWEI, SRNE etc.
2A Active Balancing Function
Certification: CE/UL/TUV/UN38.3 Certification, Compliant for Global Export
Minimum Order Quantity (MOQ) is 1 Unit, Available for Immediate Shipment from Stock
About this supplier
Guangzhou Sunpok Energy Co., Ltd. is a high-tech enterprise specializing in the field of energy storage batteries. With a decade of deep industry experience, it has established a comprehensive industrial chain layout integrating research and development, production, and sales. The company's core focus lies in the innovation and iteration of new energy storage products. Its main products encompass a full range of energy storage solutions, including household energy storage batteries, solar energy storage systems, portable mobile power supplies, and integrated energy storage units, fully meeting the energy storage needs of households, industrial and commercial sectors, outdoor emergencies, and other scenarios worldwide. Relying on its strong production capabilities, the company now boasts two large standardized production bases equipped with advanced automated production lines and rigorous quality inspection systems, with a monly production capacity exceeding 10,000 sets of energy storage batteries, effectively ensuring timely delivery of large orders. Leveraging stable product quality, core technological advantages, and a comprehensive global service network, the company's products have been exported to 195 countries and regions worldwide, earning widespread recognition and a good reputation in overseas markets, making it one of the trusted suppliers in the global energy storage field. Based in Guangzhou and reaching out globally, Sunpok Energy has always taken technological innovation as its core driving force. Adhering to the product philosophy of high quality and high safety, it continuously provides more competitive energy storage products and customized services to global customers, contributing to the global energy transformation and sustainable development.
Company overview
Competitive advantages
Packaging & shipping specifications
FAQs
Are you a factory or a trader?
We are a manufacturer of batteries, and can also provide solutions for the entire solar system.
What is the lead time?
We can deliver within 1-15 days.
How is your technical support?
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 oversea help our customers if necessary.
How to become your agent?
Contact us through email, and we can talk about details to confirm.
Is the sample available and free?
Sample will be charged a cost, but the cost will be refunded after the bulk order.
What is the warranty period, and how many years?
The warranty period for batteries and inverters is 5-15 years, and the warranty period for photovoltaic panels is 25 years.
Do you support OEM/ODM?
Of course, we can do customized services for our partners.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
2016
Total Annual:
20000000-23000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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... 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...
