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Oct 21, 2025

Top Solar Battery Manufacturer in China 2026

With the global transition toward renewable energy gaining momentum, solar energy storage systems have emerged as a pivotal solution for residential, commercial, and industrial use cases.


As the core component of these systems, batteries directly dictate energy conversion efficiency, operational safety, and cost-effectiveness-making the choice of manufacturer a critical decision.


Today, Chinese solar battery manufacturers stand among the world's leaders, backed by complete industrial chains, advanced R&D capabilities, and mature customization expertise.


This article spotlights CoPow LiFePO₄ batteries, highlights the core advantages of Chinese solar power system batteries factory, and explains why opting for Chinese-made products is a smart choice to maximize both investment returns and user experience.

 

 

best chinese solar batteries
Best Chinese Solar Battery

 

 

5 Benefits of Choosing a Chinese Solar Battery Manufacturer

High Cost-Performance Ratio

China has the world's largest solar battery production capacity, enabling significant economies of scale. Through large-scale manufacturing and efficient supply chain management, Chinese manufacturers can greatly reduce production costs. For example, solar modules in China can cost as low as $0.15 per watt, far below prices in Europe and the U.S. This allows you to obtain high-quality solar batteries at more competitive prices, enhancing your profit margins.

 

Advanced Technology

Leading solar battery manufacturers in China invest heavily in R&D, staying at the forefront of high-efficiency energy conversion and smart monitoring technologies. Technologies such as PERC, TOPCon, and HJT have been first mass-produced in China, delivering high production efficiency and excellent performance. These advanced technologies enable solar batteries to convert more sunlight into electricity, improving energy generation efficiency while maintaining stable battery performance.

 

Complete Industry Chain

China possesses the world's most comprehensive solar industry chain, covering everything from silicon materials, wafers, cells, and modules to PV power station construction and related infrastructure. This means all components and auxiliary materials required for solar batteries can be sourced domestically. An integrated supply chain allows for efficient resource allocation, reducing procurement costs and ensuring stable product supply.

 

Strong Customization Capabilities

Many Chinese solar battery brands offer mature OEM/ODM services. They can tailor products to your specific requirements, including voltage, capacity, size, terminal type, and communication protocols. Whether you need batteries for large-scale solar farms or small distributed power systems, you can get customized solutions that meet your unique needs.

 

Reliable Quality and Full Certification

Reputable Chinese solar battery manufacturers implement strict quality control processes. Their products have obtained international certifications such as UL, CE, IEC, and UN38.3, meeting global safety and quality standards. Rigorous testing and quality management ensure long battery life, stable performance, and reduced risk of failure or maintenance costs during use.

 

 

 

top 10 solar battery manufacturers in china

Energy Storage System Manufacturers

Company Overview
CoPow is a well-known lithium battery brand under Shenzhen Huandu Technology Co., Ltd., established in 2020. As a nationally certified high-tech enterprise, CoPow focuses on providing safe and intelligent energy storage solutions. Its founders and core R&D team members come from leading companies like CATL and BYD, with an average of over 20 years of experience in lithium battery energy storage. The company has independently developed a BMS capable of real-time monitoring and overcharge/over-discharge protection, and it also excels in high-efficiency battery conversion technology.

 

CoPow products use only top-tier Chinese battery cells from brands like CATL and EVE and have obtained CE, IEC, and UN38.3 international certifications, ensuring strong safety and reliability. The company also supports OEM/ODM customization, allowing adjustments in voltage, capacity, size, and other parameters to suit applications such as RVs, home energy storage, and communication base stations.

 

Equipped with automated production lines, CoPow maintains a stable monthly production capacity of 10 MWh, with the potential to scale up to an annual capacity of 2 GWh.

 

Its products have been exported to over 40 countries worldwide, catering to the energy needs of industries including solar energy, marine applications, and forklift operations.

 

This strong production capability paired with global market penetration has established CoPow as a well-recognized brand in the lithium battery sector-one that seamlessly combines robust technical strength with proven market acceptance.

 

Main Products

12V Lithium Batteries: 12.8V with capacities of 100Ah or 200Ah, offering up to 6000 charge-discharge cycles. Ideal for RVs, boats, trolling motors, and golf carts.

24V Lithium Batteries: 25.6V with various capacity options, supporting high current charge and discharge. Suitable for truck parking lots, aerial work platforms, and cleaning equipment.

Energy Storage Battery Packs: Customizable voltage and capacity, equipped with CoPow's proprietary BMS for real-time monitoring and overcharge/over-discharge protection. Widely used in home energy storage, communication base stations, and solar storage systems.

 

Key Advantages of CoPow LiFePO₄ Batteries

High Safety: Made with lithium iron phosphate materials with excellent thermal stability and decomposition temperatures up to 250–350°C. Highly resistant to thermal runaway, fire, or explosion under extreme conditions. Non-toxic and cobalt/nickel-free for environmentally friendly use and recycling.

Long Cycle Life: More than 2000 charge-discharge cycles, with high-quality models reaching 3000–6000 cycles, maintaining capacity over time and reducing long-term costs.

High Efficiency: 95–98% charge-discharge efficiency, fast charging, and effective energy conversion with low self-discharge, maintaining energy for longer periods.

Stable Voltage Output: Flat discharge curve ensures minimal voltage fluctuations, providing consistent power for connected devices.

Wide Operating Temperature Range: Efficient operation between -20°C and 60°C, suitable for cold or high-temperature environments.

Customizable Service: OEM/ODM options for voltage, capacity, size, terminal types, and communication protocols to meet diverse needs across RVs, boats, home energy storage, and golf carts.

 

20kw solar power system operation diagram
20kw solar power system operation diagram

 

Development History

CoPow is a lithium battery brand under Shenzhen Huandu Technology Co., Ltd., whose parent company was established on October 13, 2020. From the very beginning, the company focused on the research, development, production, and sales of LiFePO4 batteries, giving rise to the CoPow brand.

Relying on its core team, whose members come from industry-leading companies such as CATL and BYD, and with an average of over 20 years of industry experience, CoPow invested heavily in core technology during its early development.

 

The company independently developed a Battery Management System with real-time monitoring and overcharge/overdischarge protection functions, laying a solid foundation for product intelligence and safety.

 

Following this, CoPow quickly built a complete product lineup, launching 12V lithium batteries, 24V lithium batteries, and energy storage battery packs. The brand consistently uses top-tier battery cells from CATL and EVE and has successfully obtained CE, IEC, and UN38.3 international certifications, rapidly establishing a strong market presence.

 

In terms of production and market expansion, CoPow has established automated production lines with a stable monthly capacity of 10MWh and the potential to scale up to 2GWh annually. Thanks to its reliable quality and customized solutions, CoPow products have been exported to over 40 countries worldwide, serving applications in solar energy, marine, forklifts, and more, quickly becoming a highly recognized brand in the lithium battery energy storage sector.

 

Contact Information

Email: admin@huanduytech.com

Phone: +86-755-89998295

Office Address: Chengtouxin Times Building, No. 2009 Pingshan Avenue, Pingshan Street, Pingshan District, Shenzhen, Guangdong, China

Factory Address: Wandajie Industrial Park, No. 1-12, Jinlong Avenue, Pingshan District, Shenzhen, Guangdong, China

Website: https://www.copowbattery.com/

 

Request a Quote

 

Top Solar Battery Manufacturer in China
Top Solar Battery Manufacturer in China

 

Custom Solar Battery Solutions Provided by Chinese Manufacturers

Key Customization Dimensions

Voltage and Capacity Customization: Chinese solar battery voltage and capacity can be adjusted according to specific needs. Options include 12V, 24V, 48V, etc., with capacities ranging from a few kWh to hundreds of kWh, suitable for residential, commercial, and industrial energy storage applications.

 

Size and Form Factor Customization: Batteries can be designed flexibly to fit installation spaces. Solutions include wall-mounted designs for homes, compact modules for portable solar systems, and large container-style setups for industrial storage.

 

Battery Management System (BMS) Customization: Many manufacturers develop customized BMS solutions to ensure safe and efficient operation. These systems can monitor battery status in real time, providing overcharge, over-discharge, and short-circuit protection, and can also include remote data transmission and intelligent charge-discharge strategies based on customer requirements.

 

Cell Type Customization: Different cell types can be selected based on performance, cost, and safety requirements. LiFePO₄ cells offer high safety and long lifespan, while ternary lithium cells provide higher energy density for space-constrained applications.

 

Appearance and Branding Customization: Manufacturers can customize battery casing colors, materials, and surface branding, helping enhance brand identity.

 

Communication Protocol Customization: BMS communication protocols can be tailored to meet monitoring and management needs, ensuring compatibility with various inverters and monitoring systems for seamless data integration and remote control.

 

Charge and Discharge Characteristic Customization: Battery charge and discharge currents, voltage ranges, and curves can be adjusted for specific applications. For example, fast-charging scenarios can benefit from optimized charging curves, while applications requiring stable discharge can receive smoother voltage output.

 

Protection Level Customization: Batteries can be tailored to different environmental conditions with IP54, IP65, or other protection ratings, ensuring reliability and longevity in harsh outdoor, humid, or dusty environments.

 

Representative Manufacturer and Solutions

CoPow Battery: Offers customized 12V, 24V lithium batteries and energy storage packs, using top Chinese brand cells such as CATL and EVE. Products are CE and IEC certified and are suitable for RVs, marine vessels, and residential energy storage systems.

 

Solar Battery Manufacturer in China
Best Solar Batteries Exporter

 

Pricing and Order Quantity Considerations

Pricing Factors: The main factors influencing pricing include customization complexity, raw material costs, and order volume. For customization complexity, industrial-grade energy storage batteries with high voltage and capacity, customized BMS with remote monitoring and intelligent charge-discharge functions, or ternary lithium cells with higher energy density generally cost more than small residential batteries, basic BMS, or cost-effective LiFePO₄ cells. Regarding raw material costs, using top-brand cells such as CATL or EVE increases the unit price but ensures quality. Market fluctuations in key raw materials like lithium may also affect the final quotation. For large orders, it is advisable to negotiate price adjustment terms with the manufacturer. Additionally, order volume brings economies of scale: most manufacturers use tiered pricing, meaning larger orders typically reduce the unit cost.

 

Order Quantity Considerations: There are three key dimensions to consider.

Minimum Order Quantity (MOQ): Simple customizations, such as basic voltage adjustments, may require only a few units as the MOQ. Complex customizations, like exclusive casing designs or specialized communication protocols, may require an MOQ of 50 units or more. Ordering below the MOQ could result in higher unit prices or additional tooling and setup fees.

Production and Delivery Lead Time: Confirm whether the manufacturer's production capacity matches the order volume. Large custom orders generally have longer lead times. If projects have urgent deadlines, communicate in advance to check if expedited production services are available and the associated costs.

Storage and Logistics Costs: When placing large orders, consider subsequent storage space and costs. For international orders, compare shipping quotes for different order volumes to avoid exceeding the overall budget due to overlooked logistics expenses.

 

Solar Battery Manufacturer
Solar Battery Manufacturer

 

Why Choose Copow as Your Trusted Solar Battery Manufacturing Partner?

 

Strong R&D Capabilities and Solid Technical Foundation

The founding team and core R&D members of Copow come from leading industry companies such as CATL, BYD, and Aulton New Energy, with an average of over 20 years of experience in lithium battery energy storage. Leveraging deep technical expertise, the team continuously advances high-efficiency cell integration and intelligent energy management technologies, providing a solid foundation for the performance and safety of solar batteries.

 

Premium Cells for Quality Assurance from the Source

Copow products use automotive-grade cells from top Chinese brands such as CATL and EVE, ensuring high safety, stability, and long cycle life from the material stage. This minimizes the risk of future failures caused by cell quality issues.

 

Proprietary BMS for Safe and Efficient Operation

Equipped with a self-developed Battery Management System (BMS), Copow batteries can accurately monitor battery status and provide basic protections such as short-circuit, overcharge, over-discharge, and high/low temperature safeguards. The BMS also supports real-time data transmission via RS485 or Bluetooth, allowing users to remotely monitor battery performance, enhancing convenience and safety.

 

Extensive Customization Experience for Diverse Needs

With experience serving over 40 countries and delivering more than 500 customized solutions, Copow can flexibly tailor voltage, capacity, cell type, and physical dimensions according to customer requirements. Whether for home energy storage, RV power supply, marine applications, or communication base stations, Copow provides suitable solutions for a wide range of scenarios.

 

Strict Production Management and Consistent Quality Control

Copow has established a comprehensive production management system with standardized operating procedures (SOPs) for each product. Every step-from cell selection and assembly to final testing-is strictly monitored, ensuring consistent quality and performance across large-scale production.

 

Comprehensive Certifications for Global Compliance

Copow products have obtained multiple international certifications, including CE, UN38.3, and MSDS. They meet safety and quality standards for various countries and regions, ensuring compliance for both domestic and international markets.

 

Complete After-Sales Support for Peace of Mind

Depending on the product type, Copow provides warranties of up to 10 years. A professional after-sales team is available to promptly respond to technical inquiries and troubleshoot issues, offering full-cycle support and reducing long-term maintenance concerns.

 

battery backup solar power systems supplier
battery backup solar power systems supplier

 

How Copow's Solar Battery Is Made: From Cells to Complete Energy Systems

Cell Screening and Testing: Ensuring Quality from the Start
Top-brand cells are first fully tested using specialized equipment to check voltage, capacity, internal resistance, cycle life, and safety performance. Only cells meeting Copow's internal standards are selected, while any units with parameter deviations or potential risks are eliminated, ensuring the stability of the subsequent battery system from the source.

 

Cell Grouping and Matching: Ensuring Consistent Performance
Qualified cells are grouped based on voltage, internal resistance, and capacity to maintain "three sameness" consistency. This prevents uneven charging and discharging caused by cell differences, prolonging the overall battery system lifespan. The grouping process uses automated equipment for precise sorting, strictly controlling parameter deviations for each cell group.

 

Module Assembly: Building the Basic Energy Units
Grouped cells are connected via laser welding or bolts and mounted onto customized module brackets. Positive and negative leads are welded, and components such as temperature sensors and insulation pads are installed to ensure electrical safety and enable real-time temperature monitoring. Each assembled module undergoes initial testing to confirm voltage output and insulation compliance.

 

BMS Integration and Calibration: Adding the "Intelligent Brain"
The self-developed Battery Management System (BMS) is physically connected to the battery modules. Specialized software is used to calibrate the BMS, including setting overcharge, over-discharge, short-circuit, and temperature protection thresholds, as well as configuring the communication module. The BMS is verified for accurate data collection, remote monitoring, and fault alarms. Multiple charge-discharge cycles are performed to test BMS logic stability.

 

System Integration: Assembling the Complete Energy Storage Unit
Battery modules, BMS, charge-discharge interfaces, cooling fans, enclosures, and other components are integrated according to customer requirements. Wiring is organized and insulated to prevent interference and safety risks.

 

Full-System Performance Testing: Simulating Real-World Conditions
The complete energy storage system undergoes multi-dimensional testing, including:

 

  • Charge/Discharge Efficiency Testing: Evaluating system conversion efficiency under various currents.
  • Environmental Adaptability Testing: Simulating extreme temperature and humidity conditions to ensure operational stability.
  • Safety Performance Testing: Conducting physical tests such as drop, vibration, and compression, as well as electrical tests like overvoltage and overcurrent, to comply with international certification standards.

 

Packaging and Shipment: Ensuring Safe Delivery
Approved products are packed with anti-static and shockproof materials. Documentation such as product certificates, user manuals, and test reports are included. Before shipment, product models and customized parameters are double-checked to ensure full compliance with order requirements, then logistics arrangements are made for delivery.

 

solar energy storage system exporters 2
solar energy storage system exporters

 

Conclusion

Choosing the right solar battery is critical to ensuring system performance, controlling long-term costs, and upholding operational safety-and Chinese solar battery manufacturers excel at delivering solutions that meet these core demands. With strong cost-effectiveness, cutting-edge technology, a complete industrial chain, and robust customization capabilities, they provide reliable, efficient options for customers around the globe.


Among these manufacturers, CoPow's LiFePO₄ batteries stand out with superior safety, long cycle life, excellent energy efficiency, and flexible customization services-earning them a trusted reputation in the industry. Whether for residential, commercial, or specialized energy storage needs, opting for CoPow or other high-quality Chinese batteries guarantees stable system operation and maximizes the value of your energy investment.


Ready to elevate your solar storage setup with a reliable, cost-effective solution? Contact us today to learn more about CoPow LiFePO₄ batteries or get a tailored quote from trusted Chinese solar battery manufacturers-let's turn your energy investment into long-term value.

 

 

FAQ

How long does a LiFePO₄ solar battery typically last?

LiFePO₄ solar batteries stand out for their significantly longer cycle life compared to traditional lead-acid batteries. A standard unit generally delivers 2,000–6,000 charge cycles-the exact number depends on cell quality and operating conditions. For home or commercial energy storage systems, this translates to 8–15 years of reliable use, solidifying their status as one of the most durable storage solutions available today.

 

Are Chinese-made solar batteries reliable for long-term energy storage?

Yes, they are. Many Chinese solar battery manufacturers benefit from a complete industrial supply chain and adhere to strict quality management standards. Reputable brands use automotive-grade cells, conduct comprehensive safety testing, and hold international certifications like CE, IEC, and UN38.3. These measures ensure stable performance, long service life, and high safety levels, making them suitable for residential, commercial, and industrial installations alike.

 

Can I request customized solar battery solutions for specific applications?

Absolutely. Chinese manufacturers are renowned for their strong customization capabilities. You can tailor key parameters including voltage, capacity, physical dimensions, BMS functions, communication protocols, cell type, and even branding elements. This flexibility lets you develop optimized solutions for diverse scenarios-from home energy storage and RV power systems to marine applications and off-grid commercial facilities.

 

 

Related:

Top 4 Chinese Energy Storage System Manufacturers in 2026

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