Breaking the barriers of battery technology with silicon

Our silicon anode batteries are shaping a new era of value-driven innovations that improve lives.
What We Do

Delivering the highest energy density battery cells on the market

We manufacture advanced silicon batteries that deliver greater energy and power density, pushing the boundaries of what’s possible — without compromising performance.
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Our History

Elevating lives, one battery at a time

By leveraging silicon’s potential, we achieved a performance breakthrough. Today, our patented battery cells power mission-critical systems, and we’re committed to making this technology more accessible to all.

2008

Amprius was founded.

2014

Silicon anode design finalized.

2016

kWH scale manufacturing started.

2018

Secured our first sales.

2022

Completed IPO, began trading on NYSE.

2024

Launched MWh scale expansion and GWh-scale contract manufacturing partnerships.
    Key statistics

    Amplified impact

    Our dedicated team tirelessly pursues breakthroughs — setting new standards in battery technology.
    0%
    longer running time
    0C
    discharge rate
    0% in 6 MIN
    charge time
    -30°C to 0°C
    WIDE OPERATING TEMPERATURE
    >0 CYCLES
    full depth of discharge
    Endorsements

    Expert insights

    BREAKING NEWS: Amprius Creates a 500Wh/kg Battery
    Nobody Has Anything Like This: Amprius Factory Tour
    A U.S. company makes the world's highest energy density batteries next to Tesla

      Our team

      Meet the minds that advance battery technology.
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      Chief Executive Officer & Board Director Mr. Stepien is Amprius’ Chief Executive Officer and has served as a director on the Amprius Board since May 2025....
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      Chief Financial Officer Mr. Rodriguez has served as Amprius’ Chief Financial Officer since October 2025. He most recently served as Chief Financial Officer...
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      Chief Technology Officer Dr. Stefan has served as Amprius’ Chief Technology Officer since August 2015. Dr. Stefan is a recognized expert in electrochemistry...
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      Chief Business Officer Ronnie Tao is Chief Business Officer at Amprius Technologies, where he leads the company’s global commercial organization, including business development...
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      Vice President of Sales Anne Torricelli is Vice President of Sales at Amprius Technologies, where she leads global sales and business development for the...
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      Vice President of Legal Affairs Ms. Jiang brings more than a decade of experience in the legal industry to Amprius. For seven years, she was...
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      Vice President of Infrastructure Mr. Huie has served as Amprius’ Vice President of Infrastructure since September 2022, leading the Company’s high-volume manufacturing initiative as...

      Innovators and
      go-getters’ playground

      Our company culture fosters innovation through teamwork. We’re agile and proactive in adapting to market changes. Our customer-first approach aligns our priorities and resources, promoting collaboration within our organization and with our partners.
      Work with Us
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      Driving change with curiosity
      We embrace curiosity and strive for excellence to lead meaningful change.
      Fueling progress with purpose
      We’re motivated to accelerate purposeful progress every day.
      Powered by integrity
      Integrity fuels every decision, action, and relationship.
      Innovation that energizes us
      We’re driven by ideas that inspire and power our mission.
      Creating the future together
      Through internal and external collaborations, we energize the future.
      Fostering collaboration and trust
      Collaboration and trust are core to our culture, driving our success.

      We're hiring!

      Join a team that values collaboration, excellence, and the drive to make an impact.
      Work With Us

      Let's connect

      Discover how silicon anode batteries can boost your application performance.
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