Maxwell Technologies

San Diego, United States Founded: 1965 • Age: 61 yrs Listed Acquired By Clarios
Ultracapacitor-based energy storage and power delivery solutions are provided.

About Maxwell Technologies

Maxwell Technologies is an Energy & Utilities company based in San Diego (United States) founded in 1965, and was acquired by Clarios in November 2025. Ultracapacitor-based energy storage and power delivery solutions are provided. The company has 6 employees. Maxwell Technologies has completed 1 acquisition, including Nesscap. Its chief executive, as recorded, is Franz J Fink. Its website maxwell.com draws about 16 thousand monthly visits. Its Indian entity Maxwell Company Private Limited reported revenue of β‚Ή5.77 Cr. Maxwell Technologies offers products and services including Ultracapacitor, Cells, and Modules. Its focus areas include Energy Tech, Energy Storage Tech and Ultracapacitor. Its competitors include Ioxus and Inmatech; 2 of its 2 listed competitors have raised funding.

Company details

Maxwell Technologies was founded in 1965 and is headquartered in San Diego, United States. Ultracapacitor technology is utilized for energy storage and power delivery in sectors such as automotive, heavy transportation, renewable energy, backup power systems, wireless communications, and industrial and consumer electronics. Operations focus on developing reliable solutions for these applications across global markets.

Key Metrics
  • Indian entity revenue
    ₹5.77 Cr

    FY 2024 · -48% YoY

  • Indian entity net profit
    ₹26.3 Lakh

    FY 2024 · 5% margin

  • Indian entity EBITDA
    ₹45.9 Lakh

    FY 2024 · 8% margin

  • Latest Funding Round
    $46M (USD), Post-IPO

    Oct 2017

  • Investors
    Tesla

    & 4 more

  • Employee Count
    6
  • Investments & Acquisitions
  • Acquired by
    Clarios

    & 1 more

    (Nov 2025)

Products & Services of Maxwell Technologies

Maxwell Technologies offers a comprehensive portfolio of products and services, including Ultracapacitor, Cells, and Modules.

Ultracapacitor
Energy Storage

Delivers high-power solutions for electronics and automotive applications

Cells
Components

Provides basic units for energy storage in various devices

Modules
Assemblies

Offers integrated systems for power delivery and management

Funding Insights of Maxwell Technologies

  • Total Rounds 5
  • Last Round Post-IPO β€” $46M
  • Investors Count 3

All 5 funding rounds of Maxwell Technologies with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Oct 2017$46MPost-IPO––
–
Apr 2017$46.6MPost-IPO––
Jul 2015$25MDebt – Conventional––
Jun 2015Grant––
Jan 2015Grant––
Valuation history

5 investors in total: 5 institutional.

Investors in Maxwell Technologies

Maxwell Technologies has secured backing from 5 investors, including venture fund and institutional investors. Prominent investors backing the company include Tesla, East West Bank and Clarios.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Private equity firm investing in multiple sectors
sdicfund.comXicheng, China
Commercial banking services are offered to individuals and businesses.
1973eastwestbank.comLos Angeles, United States
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability
1958europa.euBrussels, Belgium
Electric vehicles and solar energy products are manufactured.
2003tesla.comAustin, United States
Technology solutions provider for energy storage
2013clarios.comMilwaukee, United States
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Investor details for Maxwell Technologies

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Board of directors of Maxwell Company Private Limited (Maxwell Technologies)

Maxwell Company Private Limited is the primary company behind Maxwell Technologies. The board of Maxwell Company Private Limited currently have 6 directors; the longest-serving is Vijay Bhatia, appointed in 1988. 2 earlier directors have ceased.

DirectorDesignationAppointedTenureEntity
Vijay Bhatia
DIN 01236796
Managing Director01 Apr 198838 yrs 6 moMaxwell Company Private Limited
Kalpana Bhatia
DIN 01232996
Director01 Apr 198838 yrs 6 moMaxwell Company Private Limited
Manish Bhatia
DIN 01028290
Whole-time director01 Oct 199927 yrsMaxwell Company Private Limited
Bhupesh Bhatia
DIN 01028310
Director01 Oct 199927 yrsMaxwell Company Private Limited
Ritu Bhatia
DIN 01943702
Whole-time director27 Feb 200125 yrs 8 moMaxwell Company Private Limited
Vandana Bhatia
DIN 03115139
Director01 Feb 201610 yrs 8 moMaxwell Company Private Limited

People of Maxwell Technologies

33 people are tracked at Maxwell Technologies (13 in leadership, 20 in team); the tracked headcount is 6.

NameRoleGroup
Franz J Fink
CEOLeadership
Young Ho Kim
VP & CEO of KoreaLeadership
Jeff Zhou
Vice President & General Manager China & Sales Asia PacificLeadership
Hrvoje Zupanovic (H)
Director, Global Sales Planning And AdministrationLeadership
Dennis Flynn
Director Market Research And Brand/communicationsLeadership
Steve Byrne
Director Of Test & Validation EngineeringLeadership
David Lyle
Senior Vice President, Chief Financial Officer, Treasurer and SecretaryLeadership
Everett E. Wiggins III
Vice President of OperationsLeadership
Thibault Kassir
Vice President and General Manager, Energy Storage ProductsLeadership
Ben Wilmer
Director Of Information TechnologyLeadership
Xiaomei Xi
Director Of ResearchLeadership
Ed Munevar
Senior Director Of Supply ChainLeadership
José L. Cortes
DirectorLeadership
Mike Hamm
Sr Process Development TechnicianTeam
Ronny Jiao
产品工程师Team
Yudi Y.
Manager, DBE Process EngineeringTeam
Alice Wu
Sr. China Business Development ManagerTeam
Celia Maske
Process EngineerTeam
Chris Fischbach
Oem/distribution Sales ManagerTeam
Stephen McGowan
Commodity ManagerTeam

13 more people are available in the full profile.

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Financials of Maxwell Technologies

Figures of Maxwell Company Private Limited, the primary company behind Maxwell Technologies, for FY 2024. Revenue was ₹5.77 Cr (-48% year on year). Net profit was ₹26.3 Lakh (5% margin). EBITDA was ₹45.9 Lakh (8% margin). Revenue has grown at a compounded annual rate of -12% over three years and -4% over five years.

  • ₹5.77 CrRevenue · FY 2024 · -48% YoY
  • ₹26.3 LakhNet profit · 5% margin
  • ₹45.9 LakhEBITDA · 8% margin
  • ₹16.9 LakhPaid-up capital
  • 6Employees (provident fund records)
  • -12%Revenue CAGR, 3 years
  • -4%Revenue CAGR, 5 years

Balance sheet, profit and loss, cash flow and ratios of Maxwell Company Private Limited are on its company page.

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Detailed financial statements for Maxwell Technologies

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Investments & Acquisitions by Maxwell Technologies

Maxwell Technologies has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Nesscap.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Developer of ultracapacitors for energy storage solutions
nesscap.com2000Feb 2017$23.18M
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Timeline of Maxwell Technologies

7 dated milestones of Maxwell Technologies across 60 years, from founding to its latest funding, stage changes and deals.

  1. Founded Maxwell Technologies is founded.
  2. IPO Lists on the stock exchange (IPO).
  3. Funding First funding round.
  4. Acquisition Acquires Nesscap.
  5. Funding Latest funding round, Post-IPO, of $46.0M.
  6. Exit Acquired by Tesla.
  7. Exit Acquired by Clarios.

Competitors of Maxwell Technologies

Maxwell Technologies has 2 listed competitors in our database, 2 of them funded. They include Ioxus and Inmatech.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
ioxus.com2007Oneonta, United States$58.48M36
Manufacturer of ultracapacitor cell and module
inmatech-inc.com2007Ann Arbor, United States$1.8M16
Super-capacitor devices are developed with low-cost materials and aqueous electrolytes.
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Detailed competitors of Maxwell Technologies

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Web traffic of Maxwell Technologies

The website of Maxwell Technologies (maxwell.com) receives about 16.2K visits a month.

  • Monthly visits
    16.2K

    ▲ 17.5% vs previous month

Similar websites

Websites whose visitors overlap most with Maxwell Technologies. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
avx.com
100%
View details
ioxus.com
97%
6.7K#3,040,756View details
kemet.com
96%
98.5K#358,467View details
evanscap.com
94%
View details
maxell.com
maxell.com
85%
#661,507–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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Top companies in Energy Storage Systems

3 companies that operate in the same segment as Maxwell Technologies (Energy Storage Systems) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Electric buses and charging systems are manufactured for fleets.
2004Burlingame, California, United StatesUSD 857.79 MUSD 309.36 M418
Silicon-based solar PV modules are manufactured for diverse applications.
1985San Jose, California, United StatesUSD 171.73 MUSD 300 M600
Iron-air energy storage systems are developed for renewable energy projects.
2009Somerville, Massachusetts, United StatesUSD 2 B902
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Related news about Maxwell Technologies

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Frequently Asked Questions about Maxwell Technologies

Maxwell Technologies was founded in 1965 and raised its 1st funding round 50 years after it was founded.

Maxwell Technologies is headquartered in San Diego, United States. It is registered at San Diego, California, United States.

Franz J Fink is the CEO of Maxwell Technologies, as recorded in our data.

Maxwell Technologies has 6 employees.

The primary company behind Maxwell Technologies, Maxwell Company Private Limited, reported revenue of β‚Ή5.77 Cr for FY 2024, down 48% year on year.

Maxwell Technologies was founded in 1965 and is headquartered in San Diego, United States. Ultracapacitor technology is utilized for energy storage and power delivery in sectors such as automotive, heavy transportation, renewable energy, backup power systems, wireless communications, and industrial and consumer electronics. Operations focus on developing reliable solutions for these applications across global markets.

Maxwell Technologies's top competitors include Ioxus and Inmatech.

Maxwell Technologies offers Ultracapacitor, Cells, and Modules.

Maxwell Technologies has made 1 acquisition, including Nesscap.

Maxwell Technologies has 5 investors. Key investors include Tesla, East West Bank, Clarios, European Union, and SDIC Innovation.

Maxwell Technologies operates through Maxwell Company Private Limited.

Yes. Maxwell Technologies was acquired by Tesla in February 2019.

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