The solar battery technology industry focuses on innovations that enhance energy storage, enabling the effective use of renewable energy sources like sunlight. Companies in this space develop advanced storage solutions that cater to both residential and commercial applications, facilitating energy independence and sustainability. As technologies mature, trends indicate greater integration of solar batteries with smart home systems and electric vehicles, allowing users to optimize their energy use and reduce costs. Additionally, innovations like lithium-ion and flow batteries are set to change how energy is stored and managed, enhancing overall lifecycle and performance.


This article explores 23 notable companies in solar battery technology, showcasing a mixture of well-established and emerging players. These companies range from large enterprises with 5,000+ employees, like Fronius International and SunPower, to smaller firms offering specialized products. With headquarters spread across countries such as India, Germany, and the USA, each company brings unique capabilities to the market. Founded between 1945 and 2016, their specialties include solar panels, energy storage solutions, and innovative inverters, reflecting a commitment to advancing clean energy technologies.


Continue reading for insights on the top solar battery technology companies.


Top 23 Solar Battery Technology Companies


1. Fronius International

  • Website: fronius.com
  • Ownership type: Private
  • Headquarters: Wels, Upper Austria, Austria
  • Employee distribution: Austria 89%, Germany 3%, Other 8%
  • Founded year: 1945
  • Headcount: 5001-10000
  • LinkedIn: fronius-international-gmbh

Fronius International GmbH, founded in 1945 and based in Wels, Upper Austria, is a private technology company with a workforce of approximately 5,000 employees. The company specializes in three main business units: Perfect Welding, Solar Energy, and Perfect Charging. Within the solar energy sector, Fronius is known for its innovative photovoltaic solutions, including inverters and battery storage systems designed for residential and commercial applications. Their products aim to enhance energy efficiency and promote the use of renewable energy sources. Fronius operates globally, with a significant presence in Europe and expanding markets in Asia and the Americas. The company emphasizes sustainability in its operations and product development, reflecting a commitment to reducing carbon footprints and promoting clean energy solutions.


2. SunPower Corporation

  • Website: us.sunpower.com
  • Ownership type: Private Equity
  • Headquarters: Richmond, California, United States (USA)
  • Employee distribution: United States (USA) 55%, Philippines 35%, Mexico 4%, Other 7%
  • Latest funding: Other (Debt), $300.0M, February 2024
  • Founded year: 1985
  • Headcount: 1001-5000
  • LinkedIn: sunpower-corporation

SunPower Corporation, founded in 1985 and based in Richmond, California, is a prominent player in the solar energy sector, focusing primarily on residential solar solutions. The company provides high-quality solar panels, battery storage systems, and electric vehicle (EV) charging solutions, aimed at helping homeowners reduce their energy costs and environmental impact. SunPower operates through a network of certified dealers, ensuring personalized service and support for its customers. The company has recently secured $300 million in funding, which reflects its commitment to innovation and growth in the solar market. With nearly 40 years of experience, SunPower has established itself as a trusted name in solar energy, offering products that are rigorously tested for quality and performance. Their solar battery storage solutions, such as the SunVault system, are designed to enhance energy management for homeowners, making them a significant contributor to the solar battery technology field.


3. sonnen GmbH

  • Website: sonnen.de
  • Ownership type: Corporate
  • Headquarters: Wildpoldsried, Bavaria, Germany
  • Employee distribution: Germany 93%, Egypt 3%, Other 4%
  • Latest funding: February 2019
  • Founded year: 2010
  • Headcount: 501-1000
  • LinkedIn: sonnen-gmbh

Sonnen GmbH, based in Wildpoldsried, Bavaria, Germany, is an energy solutions provider that focuses on renewable energy and battery storage systems. Established in 2010, the company has developed a range of products, including the sonnenBatterie, which caters to households and small businesses. These products enable efficient energy management, allowing users to harness solar energy effectively and achieve significant cost savings. Sonnen's customer base primarily consists of homeowners and small enterprises looking to optimize their energy usage. The company also promotes a community-oriented approach through its sonnenCommunity, which encourages collective participation in renewable energy initiatives. With a workforce of around 611 employees, sonnen GmbH has made a notable impact in the energy sector, particularly in Germany, where it operates predominantly. Their innovative solutions, such as the sonnenVPP, position them as a forward-thinking player in the solar battery technology market.


4. Luminous Power Technologies (P) Ltd


Luminous Power Technologies (P) Ltd, based in Gurugram, Haryana, India, is a manufacturer of electric power products with a specialization in power backup solutions and solar energy systems. Founded in 1988, the company has built a robust portfolio that caters to both residential and commercial customers. Their offerings include a wide range of products such as inverters, batteries, and solar panels, all designed to ensure reliable power supply and promote the use of renewable energy. With a workforce of over 6,000 employees, Luminous has established a significant presence in the Indian market, serving more than 100 million customers through a network of over 50,000 dealers. Their commitment to innovation and quality in the solar sector is evident in their extensive product lineup, which includes various types of solar batteries and inverters tailored for different applications.


5. KACO new energy

  • Website: kaco-newenergy.com
  • Ownership type: Private
  • Headquarters: Neckarsulm, Baden-Württemberg, Germany
  • Employee distribution: Germany 87%, United States (USA) 6%, Other 6%
  • Founded year: 1914
  • Headcount: 201-500
  • LinkedIn: kaco-new-energy

KACO new energy, based in Neckarsulm, Germany, has been a player in the renewable energy sector since its founding in 1914. The company specializes in solar energy solutions, particularly through the manufacture of inverters for solar PV systems and battery storage. Their product offerings include string and hybrid inverters, battery inverters, and reactive power compensation units, catering to utility-scale, commercial, industrial, and residential applications. KACO new energy emphasizes energy management and efficiency, providing services that enhance the performance of solar installations. Their commitment to innovation is evident in their development of advanced technologies, such as the Virtual Central system design, which optimizes the performance of solar plants. With a workforce of around 184 employees, the company operates primarily in Germany, with a presence in the United States and other regions. KACO new energy continues to promote the global energy transition through its products and services, making it a relevant player in the solar battery technology sector.


6. Gsl Energy

  • Website: gsl-energy.com
  • Ownership type: Private
  • Headquarters: Shenzhen, Guangdong, China
  • Employee distribution: China 96%, India 4%
  • Founded year: 2006
  • Headcount: 51-200
  • LinkedIn: shenzhen-gsl-energy

Shenzhen GSL ENERGY Co., Ltd. is a private manufacturer based in Shenzhen, Guangdong, China, established in 2006. The company specializes in energy storage solutions and solar systems, offering a wide array of products such as lithium-ion batteries, solar panels, and hybrid inverters. Gsl Energy caters to residential, commercial, and industrial markets, providing tailored energy solutions that enhance reliability and efficiency. With a production capacity of 1.8 GWh annually, Gsl Energy has established a significant footprint in the energy storage sector, exporting to over 90 countries worldwide. The company has also formed strategic partnerships with various global brands, showcasing its commitment to innovation and quality in energy storage technology. Gsl Energy has received multiple certifications, ensuring compliance with international standards, which further solidifies its reputation in the industry.


7. Livguard

  • Website: livguard.com
  • Ownership type: Private Equity
  • Headquarters: Gurugram, Haryana, India
  • Employee distribution: India 100%
  • Latest funding: $31.8M, April 2019
  • Founded year: 2014
  • Headcount: 1001-5000
  • LinkedIn: livguard-energy

Livguard Energy Technologies Private Limited, founded in 2014 and based in Gurugram, Haryana, India, is an energy solutions provider that focuses on energy storage, inverters, and batteries. The company has carved out a niche in the solar energy sector, offering solar rooftop solutions and solar batteries tailored to meet the needs of both consumers and businesses. Livguard operates through a robust network of over 4,000 dealers across India, ensuring that their products are accessible to a wide audience. The company has received funding amounting to approximately $31.8 million, which underscores its growth potential and commitment to innovation in energy solutions. Livguard's product range includes home inverters, automotive batteries, and inverter batteries, showcasing their comprehensive approach to energy storage and management.


8. Redback Technologies

  • Website: redbacktech.com
  • Ownership type: Venture Capital
  • Headquarters: Indooroopilly, Queensland, Australia
  • Latest funding: January 2024
  • Founded year: 2015
  • Headcount: 51-200
  • LinkedIn: redback-technologies

Redback Technologies, based in Indooroopilly, Queensland, Australia, is a technology company that specializes in renewable energy solutions, particularly in solar energy and battery storage systems. Founded in 2015, the company has developed a range of products including Smart Inverters and Smart Batteries, aimed at helping homeowners and businesses reduce energy costs and maintain a reliable power supply. Redback Technologies collaborates closely with installers to ensure effective deployment of their solutions. The company has also participated in various government initiatives, such as the South Australia home battery scheme, which provides subsidies for solar and battery installations. This involvement not only enhances their market presence but also reflects their commitment to promoting renewable energy adoption in Australia.


9. Su-Kam Power Systems Limited

  • Website: su-kam.com
  • Ownership type: Private
  • Headquarters: Gurugram, Haryana, India
  • Employee distribution: India 99%
  • Founded year: 1998
  • Headcount: 501-1000
  • LinkedIn: su-kam-power-systems

Su-Kam Power Systems Limited, founded in 1998 and based in Gurugram, Haryana, India, specializes in power solutions that include inverters, batteries, and solar products. The company has established itself as a significant player in the power backup industry, catering to both consumers and businesses. Su-Kam is known for its innovative approach, having introduced the first Sine Wave UPS in India, which marked a significant advancement in power quality. The company operates in over 90 countries, showcasing its global reach and commitment to providing reliable energy solutions. Su-Kam's product offerings include advanced battery technologies, solar panels, and hybrid UPS systems, all designed to enhance energy efficiency and reduce carbon footprints. With a workforce of nearly 1,000 employees, Su-Kam continues to focus on innovation and sustainability in its operations.


10. Exeger

  • Website: exeger.com
  • Ownership type: Venture Capital
  • Headquarters: Stockholm, Stockholm, Sweden
  • Employee distribution: Sweden 98%, Other 2%
  • Latest funding: Other (Debt), $38.4M, December 2023
  • Founded year: 2009
  • Headcount: 201-500
  • LinkedIn: exeger-sweden-ab

Exeger, founded in 2009 and based in Stockholm, Sweden, is a technology company that specializes in solar cell manufacturing. The company is known for its innovative Powerfoyle technology, which transforms any kind of light—both indoor and outdoor—into electrical energy. This flexibility allows Exeger to collaborate with various brands to integrate solar cells into consumer electronics and other products, significantly reducing reliance on traditional batteries. With a workforce of around 169 employees, Exeger operates from its urban factory in Stockholm, where it has developed a robust ecosystem for solar cell production. The company has recently secured funding of approximately €38 million, indicating ongoing investor confidence in its growth and technological advancements. Exeger is committed to sustainability, aiming to create products that not only enhance user experience but also contribute to environmental responsibility.


11. Statcon Powtech

  • Website: powtech.in
  • Ownership type: Private
  • Headquarters: Noida, Uttar Pradesh, India
  • Employee distribution: India 100%
  • Founded year: 2015
  • Headcount: 51-200
  • LinkedIn: statcon-powtech

Statcon Powtech, founded in 2015 and based in Noida, Uttar Pradesh, India, is a private company that specializes in renewable energy solutions with a focus on solar power technologies. The company offers a comprehensive range of products, including solar inverters, energy storage systems, and solar batteries, catering to residential, commercial, and industrial sectors. Their solar battery product, the SunDeposit, is designed to provide reliable energy storage solutions, enhancing the efficiency of solar energy systems. Statcon Powtech is part of the M.S. Saini group, which has a long-standing history in power electronics, contributing to their expertise in clean energy solutions. The company emphasizes advanced technology, with features like remote monitoring and high efficiency in their products, reflecting their commitment to innovation in the renewable energy sector.


12. SunEdison

  • Website: sunedison.in
  • Ownership type: Private
  • Headquarters: Chennai, Tamil Nadu, India
  • Founded year: 2002
  • Headcount: 201-500
  • LinkedIn: sunedison

SunEdison, currently known as Fenice Energy, is a renewable energy company based in Chennai, Tamil Nadu, India. Founded in 2002, the company has carved out a niche in the solar energy sector, offering a range of products that include rooftop solar systems, solar batteries, and electric vehicle (EV) charging solutions. Fenice Energy aims to provide sustainable energy alternatives to both residential and commercial customers, helping them reduce their electricity costs and carbon footprints. Their solar battery solutions, particularly the Lithium Iron Phosphate (LFP) batteries, are designed for reliability and efficiency, catering to the growing demand for energy storage in solar applications. The company has established a presence across India, with installations in over 100 cities, and continues to advocate for clean energy solutions through innovative products and customer-centric services.


13. Beacon Energy Storage Systems Pvt Ltd


Beacon Energy Storage Systems Pvt Ltd, based in Kochi, Kerala, India, was founded in 1995 and operates as a private company with a workforce of around 51-200 employees. The company is dedicated to providing innovative energy storage solutions and power electronics, focusing on renewable energy products such as solar batteries, inverters, and other related technologies. Beacon's product range includes lithium battery packs, tubular batteries, solar water heaters, and online UPS systems, catering to the energy needs of both residential and commercial clients. Their commitment to sustainable practices is evident in their manufacturing processes and product offerings, which aim to help customers achieve energy independence while reducing costs. Beacon Energy Storage Systems is recognized for its quality and reliability in the energy storage sector, making it a notable player in the industry.


14. Bslbatt - Solar


Bslbatt - Solar, founded in 2012 and based in Huizhou, Guangdong, China, is a private company that specializes in energy storage solutions, particularly lithium batteries. The company offers a range of products designed for residential, commercial, and industrial applications, helping customers optimize energy use and store solar energy effectively. Bslbatt's product lineup includes various energy storage systems (ESS) tailored to meet the unique needs of different sectors. With a production capacity exceeding 3GWh per year, Bslbatt has established itself as a significant player in the energy storage market. The company has successfully delivered solutions to over 50,000 families worldwide, demonstrating its operational scale and commitment to enhancing energy independence. Bslbatt is also active in the renewable energy sector, participating in numerous international exhibitions and trade shows, which underscores its engagement with industry trends and innovations.


15. Microtex Energy Private Limited


Microtex Energy Private Limited, established in 1969, is a prominent battery manufacturer based in Bengaluru, Karnataka, India. The company specializes in producing high-quality lead-acid batteries for a variety of applications, including industrial, solar, and railway sectors. With a workforce of around 62 employees, Microtex has built a reputation for reliability and customer satisfaction over its more than fifty years in the industry. Their product offerings include a range of solar batteries, such as 2V Tubular Gel Batteries and 12V Gel Batteries, which are designed to meet the specific needs of renewable energy storage. Microtex is dedicated to innovation and sustainability, ensuring that their manufacturing processes minimize environmental impact. They also emphasize quality assurance through rigorous testing and adherence to high standards. The company serves clients across multiple sectors, demonstrating its capability to provide tailored battery solutions that meet evolving energy demands.


16. ZEN Energy

  • Website: zenenergy.com.au
  • Ownership type: Private Equity
  • Headquarters: Rose Park, South Australia, Australia
  • Employee distribution: Australia 98%, Other 2%
  • Latest funding: $45.9M, March 2024
  • Founded year: 2004
  • Headcount: 51-200
  • LinkedIn: zenenergysystems

ZEN Energy, based in Rose Park, South Australia, is a private equity-backed renewable energy provider established in 2004. The company specializes in solar and battery systems, catering to both residential and commercial sectors. With a mission to transition communities to a zero-carbon world, ZEN Energy has made significant strides in the renewable energy space. They have developed innovative energy technologies and services aimed at reducing carbon footprints. Notably, ZEN Energy was a pioneer in solar battery storage, launching the ZEN Freedom Powerbank and achieving substantial market share in South Australia. The company has completed over 35,000 installations across Australia and has partnered with various large energy users and renewable energy developers. In March 2024, ZEN Energy secured a funding amount of approximately AUD 45.9 million, reflecting their ongoing growth and investment in renewable energy projects.


17. SunGarner Energies Ltd

  • Website: sungarner.com
  • Ownership type: Private
  • Headquarters: Greater Noida, Uttar Pradesh, India
  • Employee distribution: India 100%
  • Founded year: 2015
  • Headcount: 51-200
  • LinkedIn: sungarner-energies-pvt-ltd

SunGarner Energies Ltd, established in 2015 and based in Greater Noida, Uttar Pradesh, India, is a private manufacturing company focused on renewable energy solutions. The company specializes in solar inverters, batteries, and solar power plants, catering to a wide range of clients, including businesses, organizations, and residential customers. SunGarner emphasizes tailored energy solutions that aim to reduce costs and enhance sustainability. Their product offerings include various types of solar batteries, such as inverter tall tubular and lithium-ion batteries, showcasing their commitment to energy storage technology. The company operates with a strong emphasis on innovation, supported by an in-house R&D department that develops customized solutions to meet specific client needs. SunGarner's strategic growth plans include scaling solar power generation significantly in the coming years, further solidifying their position in the renewable energy sector.


18. Soltaro

  • Website: soltaro.com
  • Ownership type: Private
  • Headquarters: Australia
  • Employee distribution: United Kingdom (UK) 50%, Australia 50%
  • Latest funding: June 2019
  • Founded year: 2015
  • Headcount: 51-200
  • LinkedIn: soltaro

Soltaro is an Australian-based solar energy solutions provider that has been operational since 2015. The company focuses on innovative battery storage systems and energy management products, catering to both consumers and businesses. Their product lineup includes solar battery storage solutions, electric vehicle (EV) chargers, and air conditioning units designed to integrate seamlessly with solar power systems. Soltaro's commitment to optimizing energy usage and reducing costs through renewable energy solutions is evident in their offerings, which feature advanced technologies like Virtual Storage Technology™. The company prides itself on its Australian design and engineering, ensuring that their products meet high standards of quality and performance. With a workforce split between Australia and the UK, Soltaro is positioned to serve a global market, providing tailored energy solutions that help users maximize their investment in renewable energy.


19. Amensolar ESS Co., Ltd

  • Website: amensolar.com
  • Ownership type: Private
  • Headquarters: Suzhou, Jiangsu, China
  • Employee distribution: China 100%
  • Founded year: 2016
  • Headcount: 51-200
  • LinkedIn: amensolar-ess-co-ltd

Amensolar ESS Co., Ltd, based in Suzhou, Jiangsu, China, is a private company founded in 2016. It specializes in the research, development, production, and sales of solar energy storage products. The company offers a range of products, including solar inverters and lithium batteries, aimed at helping residential and commercial customers reduce electricity costs and transition to renewable energy sources. Amensolar operates through a dealer network, providing support and training to its partners, which enhances their market presence. The company emphasizes quality, technological upgrades, and customer needs, positioning itself as a reliable partner in the solar energy sector.


20. Lento Industries Private Limited

  • Website: lentoindia.com
  • Ownership type: Private
  • Headquarters: India
  • Employee distribution: India 96%, Nigeria 4%
  • Founded year: 2015
  • Headcount: 201-500
  • LinkedIn: lento-india

Lento Industries Private Limited, founded in 2015, is a private manufacturing company based in India. The firm specializes in power electronics and renewable energy solutions, offering a wide array of products that cater to both business and consumer markets. Their product lineup includes solar hybrid inverters, solar panels, and various types of batteries, such as lead-acid and lithium-ion batteries. Lento's focus on research and development drives their innovation in energy-efficient technologies, positioning them as a significant player in the renewable energy sector. The company is dedicated to providing sustainable energy solutions, which is increasingly important in today's market. With a workforce of around 201-500 employees, Lento Industries is actively contributing to the advancement of solar energy technologies.


21. EnviroGroup

  • Website: envirogroup.com.au
  • Ownership type: Private
  • Headquarters: Coburg North, Victoria, Australia
  • Employee distribution: Australia 100%
  • Founded year: 2004
  • Headcount: 11-50
  • LinkedIn: envirogroup

EnviroGroup, based in Coburg North, Victoria, Australia, has been a player in the solar energy sector since its founding in 2004. With a workforce of 11 to 50 employees, the company specializes in renewable energy solutions, providing products such as solar panels, batteries, heating and cooling systems, and electric vehicle chargers. Their clientele includes residential homeowners and businesses looking to cut energy costs and promote sustainability. EnviroGroup's product lineup features notable solar battery options, including the Tesla Powerwall and Enphase AC coupled systems, highlighting their commitment to integrating advanced battery technology into their offerings. The company has built a reputation for quality service and has collaborated with various councils and organizations, further solidifying its role in the solar energy market in Victoria.


22. Utl


UTL Solar, based in New Delhi, India, is a private company founded in 1996. It specializes in the manufacturing of a variety of solar products, including solar batteries, inverters, and solar panels. UTL serves both individual consumers and businesses, providing essential solutions for energy generation and storage. The company operates through a network of over 3,600 dealers across India, ensuring widespread availability of its products. UTL's offerings include not only solar batteries but also online UPS systems, solar charge controllers, and hybrid solar power systems. Their commitment to innovation and customer satisfaction is reflected in their extensive product range and the support provided through their service centers. UTL has garnered a reputation for quality and reliability in the solar energy sector, with a significant number of satisfied customers. The company has not reported any recent funding, indicating a self-sustained growth model.


23. Aquion Energy

  • Website: aquionenergy.com
  • Ownership type: Corporate
  • Headquarters: Pittsburgh, Pennsylvania, United States (USA)
  • Latest funding: $9.2M, July 2017
  • Founded year: 2008
  • Headcount: 51-200
  • LinkedIn: aquion-energy

Aquion Energy, based in Pittsburgh, Pennsylvania, is an energy storage company founded in 2008. The firm specializes in innovative battery solutions designed for a variety of customers, including homeowners, businesses, and utilities. Their technology aims to improve energy efficiency and sustainability, making them a relevant player in the energy storage industry. Aquion Energy's products are particularly significant in the context of renewable energy, as they provide reliable storage options that support solar energy systems. The company has received funding, with a notable amount of $9.16 million reported in July 2017, indicating investor interest in their technology and market potential.



Solar Battery Technology Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
Fronius InternationalWels, Upper Austria, Austria5001-100001945Private
SunPower CorporationRichmond, California, United States (USA)1001-50001985Private Equity
sonnen GmbHWildpoldsried, Bavaria, Germany501-10002010Corporate
Luminous Power Technologies (P) LtdGurugram, Haryana, India5001-100001988Corporate
KACO new energyNeckarsulm, Baden-Württemberg, Germany201-5001914Private
Gsl EnergyShenzhen, Guangdong, China51-2002006Private
LivguardGurugram, Haryana, India1001-50002014Private Equity
Redback TechnologiesIndooroopilly, Queensland, Australia51-2002015Venture Capital
Su-Kam Power Systems LimitedGurugram, Haryana, India501-10001998Private
ExegerStockholm, Stockholm, Sweden201-5002009Venture Capital
Statcon PowtechNoida, Uttar Pradesh, India51-2002015Private
SunEdisonChennai, Tamil Nadu, India201-5002002Private
Beacon Energy Storage Systems Pvt LtdKochi, Kerala, India51-2001995Private
Bslbatt - SolarHuizhou, Guangdong, China51-2002012Private
Microtex Energy Private LimitedBengaluru, Karnataka, India201-5001969Private
ZEN EnergyRose Park, South Australia, Australia51-2002004Private Equity
SunGarner Energies LtdGreater Noida, Uttar Pradesh, India51-2002015Private
SoltaroAustralia51-2002015Private
Amensolar ESS Co., LtdSuzhou, Jiangsu, China51-2002016Private
Lento Industries Private LimitedIndia201-5002015Private
EnviroGroupCoburg North, Victoria, Australia11-502004Private
UtlNew Delhi, Delhi, India1001-50001996Private
Aquion EnergyPittsburgh, Pennsylvania, United States (USA)51-2002008Corporate


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