China is widely recognized as a global powerhouse in battery manufacturing and energy storage technology. Chinese companies now dominate the production of lithium-ion cells and solar storage systems that are deployed not only domestically but also across Asia, Europe, Africa, and the Americas. Chinese solar battery manufacturers benefit from decades of focused investment in research and development, strong supply chains for key materials, and government support for renewable energy technologies.
By 2026, Chinese firms account for a significant share of the world’s solar energy storage output and continue to grow rapidly.
Quick Overview Table
The following table compares the top 10 solar battery manufacturers in China in 2026 based on battery type, main products, best use cases, and key advantages. This comparison helps buyers quickly identify the right supplier for residential, commercial, or utility-scale energy storage projects.
| Manufacturer | Country | Battery Type | Main Products | Best For | Key Advantage |
|---|---|---|---|---|---|
| CATL | China | LFP, NMC | Battery cells, utility ESS | Large-scale projects | Largest global battery maker |
| BYD | China | LFP (Blade) | Solar batteries, EV batteries | Solar + storage systems | High safety, vertical integration |
| Avepower | China | LiFePO4 | Home & C&I battery storage | Custom energy storage solution | OEM/ODM customization |
| Sungrow | China | LFP | Solar inverters, ESS | Solar + inverter systems | Strong inverter integration |
| Huawei | China | LFP | Smart solar ESS | Digital energy systems | AI & cloud monitoring |
| Dyness | China | LiFePO4 | Modular battery systems | Residential storage | Flexible system design |
| GoodWe | China | LFP | Hybrid inverters, ESS | Home solar systems | Hybrid inverter expertise |
| Pylontech | China | LiFePO4 | Modular lithium batteries | Scalable storage | High inverter compatibility |
| Sunwoda | China | LFP, NMC | Battery cells, ESS | Industrial storage | Large manufacturing scale |
| AlphaESS | China | LiFePO4 | All-in-one ESS | Smart home energy | Integrated design |
Top 10 Solar Battery Manufacturers in China
1. CATL (Contemporary Amperex Technology Co., Limited)
CATL is the world’s largest battery manufacturer and a dominant force in energy storage as well as electric vehicle (EV) batteries. The company was founded in 2011 and is headquartered in Ningde, Fujian province. It specializes in lithium-ion batteries used for electric vehicles and stationary energy storage systems (ESS). As of 2025, CATL held an estimated ~38% global market share in both EV and energy storage batteries, making it a foundational supplier in the global supply chain.
CATL’s solar battery products are known for high energy density, long cycle life, and strong safety performance. The company integrates advanced battery management systems (BMS) that ensure reliable charging and discharging, which is essential for power stored from solar power plants. CATL’s investments in research and development ensure that its products remain at the forefront of innovation, particularly in lithium iron phosphate (LFP) chemistry that balances cost and durability.
Importantly, CATL also operates multiple manufacturing facilities outside China, strengthening global production capacity and helping the company meet rising demand for energy storage worldwide.
2. BYD (Build Your Dreams)
BYD is a major integrated technology company with a broad footprint in electric vehicles, batteries, and renewable energy storage. Founded in 1995 and headquartered in Shenzhen, Guangdong province, BYD became a major solar battery manufacturer partly because of its success in EV battery technologies and vertical integration of energy components.
BYD’s solar battery offerings often use its own “Blade Battery” LFP architecture, which is known for enhanced safety, longer lifetime, and better thermal stability compared to many traditional designs. This advantage has helped BYD deploy batteries in both residential solar systems and larger commercial energy storage projects.
The company’s ability to align solar modules, energy storage systems, and EV technology into a unified ecosystem gives it strong competitive positioning, both domestically and internationally.
3. Avepower
Avepower is a China‑based energy storage solutions company that focuses on customized battery systems for residential, commercial, and industrial applications. The company designs and manufactures lithium iron phosphate (LiFePO4) batteries and complete solar energy storage systems that integrate with photovoltaic panels and hybrid inverters.
While not as large or broadly known as some of the others on this list, Avepower emphasizes flexible OEM/ODM solutions that meet international certifications such as CE, UL, FCC, and ISO9001. These certifications suggest that its products can meet demanding safety and performance standards for export markets.
Avepower’s strength lies in its ability to provide tailor‑made energy storage designs, fast customer service support, and a solid foundation of R&D expertise that spans more than a decade. These features help Avepower serve varied needs from small home batteries to large industrial systems.
4. Sungrow
Sungrow Power Supply Co., Ltd. began in 1997 as a manufacturer of solar inverters and today has grown into one of China’s most influential renewable energy technology providers. The company is headquartered in Hefei, Anhui province. Sungrow has expanded its portfolio to include solar batteries and full solar‑plus‑storage solutions for residential, commercial, and utility applications.
Sungrow is particularly noted for combining high‑quality inverters with energy storage hardware, which simplifies system integration and improves overall performance. This holistic approach has helped Sungrow become one of the most internationally bankable ESS brands outside of pure battery cell producers.
The company’s global presence and export relationships reinforce Sungrow’s position as a top choice for system integrators and developers deploying solar storage projects around the world.
5. Huawei (Huawei Digital Power / FusionSolar)
Huawei Digital Power is a business unit spun out of Huawei Technologies that focuses on smart energy solutions, including solar inverters and energy storage. Huawei’s energy products often integrate digital intelligence capabilities such as cloud connectivity, artificial intelligence, and smart BMS. These features help users monitor and optimize solar battery performance in real time.
Huawei’s energy storage systems are known for their high efficiency, modular design, and ability to adapt to a variety of scales — from residential rooftops to large industrial grids. The company’s strong global brand and deep expertise in telecommunications equipment provide an edge when integrating complex control systems with energy hardware.
In the 2026 landscape, Huawei remains one of the most technologically sophisticated solar battery companies in China, particularly where digital integration into energy systems is important.
6. Dyness
Dyness is a newer entrant compared to companies like CATL or BYD but it has quickly gained traction in energy storage markets. Dyness focuses on innovative lithium‑ion battery technology and offers solutions aimed at residential and commercial storage projects.
The company’s portfolio includes modular battery systems designed for easy installation and scalability. Dyness also emphasizes reliability and safety, which are key concerns for homeowners and developers alike.
Dyness’s growth reflects a broader trend in which emerging Chinese manufacturers are challenging larger incumbents by delivering flexible solutions that cater to niche applications and specific market segments.
7. GoodWe
GoodWe is a leading manufacturer of solar inverters and energy storage systems, founded in 2010 and headquartered in Suzhou, Jiangsu province. The company produces hybrid inverters that can work seamlessly with solar panels and battery storage units.
GoodWe’s solar battery solutions are designed with an emphasis on reliability and performance in residential settings, but the company also supports commercial installations. GoodWe has earned quality and safety awards, which reinforces its reputation in global markets where international testing and certification standards are important.
GoodWe’s product suite often includes integrated energy storage systems that help homeowners reduce electricity costs and improve their energy independence.
8. Pylontech
Pylontech specializes in lithium battery packs and energy storage systems targeted at residential and telecommunication backup power markets. Founded in 2009 and based in Shanghai, Pylontech has built a strong reputation for delivering high‑performance battery units with advanced BMS technology.
The company has deployed over one million units globally, making it one of the most recognized names in distributed solar storage. Pylontech’s modular battery solutions make it easy to scale energy storage capacity up or down based on specific use cases, a feature highly valued in decentralized energy systems.
Pylontech’s focus on safety, reliability, and integration with third‑party systems has helped it build broad international acceptance.
9. Sunwoda
Sunwoda Electronic Co., Ltd. began as a lithium‑ion battery manufacturer and eventually expanded into multiple markets including EVs and energy storage. The company was founded in 1997 and is headquartered in Shenzhen.
Sunwoda’s strength lies in manufacturing battery modules and cells that can be integrated into larger energy storage systems. The company has experience with high‑volume cell production and contributes to the supply chain as both a component maker and systems supplier.
Although Sunwoda is primarily known for EV batteries, its extensive experience in battery chemistry and manufacturing processes also makes it a valuable player in solar storage markets.
10. AlphaESS
AlphaESS is an energy storage system provider that focuses on residential and commercial solar battery applications. The company offers a range of modular solutions that are designed for easy installation and adaptability across different scales of projects.
AlphaESS’s products are recognized for excellent safety features and compliance with international standards, which supports exports and installations in various countries.
The company’s focus on user‑friendly solutions and reliable performance has positioned it as a key competitor in markets where system integration and total cost of ownership are important decision factors.
Macro Trends in China’s Solar Battery Industry (2026)
China’s solar battery industry is shaped by multiple macro‑level forces:
- Massive Global Production Scale: Chinese manufacturers like CATL and BYD dominate global lithium‑ion battery production, especially in LFP battery chemistry where cost and safety benefits matter most.
- Export and Certification Reach: Most top manufacturers hold international certifications (UL, CE, IEC, ISO), allowing their products to be exported and installed worldwide.
- Digital Integration: Companies such as Huawei are pushing smart ESS that leverage digital control and cloud connectivity, improving performance monitoring and system intelligence.
- Diversified Systems: The industry is shifting from pure battery manufacturing to full solar‑plus‑storage solutions that bundle inverters, software, and energy management interfaces.
How to Choose the Right Manufacturer
When selecting a solar battery provider, consider the following factors:
- Safety and certifications: Look for UL, CE, IEC, and other global safety marks.
- Cycle life and warranty: Longer cycle life and a strong warranty reflect confidence in product durability.
- System integration: Compatibility with your solar panels and inverters matters for smooth operation.
- Global support and service: Local support and extended service networks can simplify maintenance.
- Cost vs. features: Higher price does not always equal better performance; evaluate needs carefully.
Conclusion
Every company on this list plays a unique role in supporting the transition to renewable energy, whether by supplying high-performance lithium cells, building modular storage systems for homes and businesses, or developing smart energy management tools to maximize the value of solar power.
China’s prominence in energy storage continues to strengthen year after year, driven by both domestic demand and international solar-plus-storage adoption. As a result, Chinese manufacturers are increasingly the go-to partners for installers, developers, and technology integrators around the world.
FAQ
Most Chinese manufacturers primarily use lithium iron phosphate (LiFePO4) and nickel‑manganese‑cobalt (NMC) lithium-ion battery chemistries. LiFePO4 batteries are known for safety and long cycle life, while NMC batteries offer higher energy density.
CATL (Contemporary Amperex Technology Co., Ltd.) is the largest solar battery manufacturer in China and one of the top battery producers worldwide.
Yes. Many manufacturers like BYD, Avepower, and Sungrow offer modular battery systems that scale from small residential setups to large commercial or utility installations.
Avepower stands out by focusing on customized solutions, targeting niche markets, and offering innovative software features that meet specific customer needs. The company often emphasizes flexibility and strong customer support to differentiate itself from larger competitors.
