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Sunpok 51.2V 300Ah: The High-Capacity Backbone for Residential Power Systems
Building a resilient home energy system requires a storage foundation that can handle significant electrical loads without unnecessary complexity. The Sunpok 51.2V 300Ah Floor-Standing Lithium Battery is engineered to fulfill this role. By delivering 15.36kWh of nominal capacity in a single, self-contained cabinet, it provides a robust alternative to multi-battery configurations, streamlining the path to energy independence for modern households.
Enduring LiFePO4 Architecture
At the core of this unit is Lithium Iron Phosphate (LiFePO4) chemistry, selected for its stability and long operational life in stationary applications. The 51.2V nominal platform is designed for seamless interoperability with the global standard of 48V hybrid and off-grid inverters. The substantial 300Ah rating ensures the battery can manage high surge currents and sustained power draws, making it suitable for supporting heavy loads such as central air conditioning, electric vehicle chargers, or workshop equipment. This capacity ensures that stored solar energy remains a viable resource well beyond sunset.
Active System Stewardship
The internal Battery Management System (BMS) serves as the intelligence behind the operation, actively monitoring cell-level metrics to maintain balance and health. Unlike passive systems, this BMS performs continuous cell voltage equalization, which is critical for preserving the battery’s usable capacity over years of service. Featuring CAN and RS485 communication interfaces, the unit integrates directly with compatible inverters, enabling real-time telemetry and automated charge regulation. This allows the broader energy system to adapt dynamically to consumption patterns and grid conditions.
Engineered for Protected Indoor Placement
The vertical floor-standing design prioritizes structural stability and efficient use of space within protected indoor environments. The IP21-rated enclosure provides defense against solid particle ingress and vertically falling water, making it appropriate for installation in utility rooms, garages, or dedicated equipment closets. The design eliminates the need for external racking, reducing installation variables. Access points for power terminals and communication cables are strategically placed to facilitate a clean, professional wiring setup by qualified electricians.
A Professional-Grade Component
This Sunpok battery is developed as a core module for bespoke energy solutions. It is intended for deployment by licensed professionals who can ensure proper integration with existing electrical infrastructure and compliance with local regulations. For distributors and system integrators, the 51.2V 300Ah model represents a high-density, single-unit solution that simplifies inventory requirements and reduces on-site assembly time. It is a dependable building block for constructing sophisticated, high-performance home energy ecosystems.
About Sunpok
Sunpok focuses on the research, development, and manufacturing of advanced lithium battery storage systems. Our mission is to provide durable and efficient hardware that empowers the global transition to renewable energy. We equip our partners with comprehensive technical resources to ensure successful project execution and long-term operational reliability.
For detailed technical specifications, wiring diagrams, and protocol documentation, 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...
