PolyCharge
Pioneering capacitors for a new electric world
Phoenix, United States · Founded 2018 · $8.6M raised
- Headquarters
- Phoenix, Arizona
- Employees
- 11–50
- Founded
- 2018
- Business Model
- B2B
- Website
- polycharge.com
- Total Funding
- $8.6M
- Last Round
- $1.7M GrantSep 2025
- Rounds
- 5
About
PolyCharge America is a capacitor technology company that develops and manufactures NanoLam™ high energy density, high temperature capacitors for power electronics applications in electric vehicles, renewable energy inverters, aerospace, medical, and industrial mobility. The company was founded in 2018 by Sigma Technologies (parent company established in 1992) to commercialize its NanoLam™ Technology, and is headquartered in Oro Valley, Arizona. PolyCharge's products target the evolving needs of an increasingly electrified world, providing capacitors that are compact, lightweight, and capable of handling high power loads. The company holds IATF 16949 automotive quality certification and has international operations via Rheinmetall PolyCharge GmbH in Europe and PolyCharge Asia in Tokyo.
Summary
PolyCharge is a Mobility company based in Phoenix, United States, founded in 2018. It has raised $8.6M in total across 5 rounds, most recently a $1.7M Grant round in Sep 2025. Investors include BorgWarner, Mursix and Delphi Ventures.
Tech & App Stack
5 technologies & apps tracked
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Funding History
Sep 2025
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Corporate Round through Grant — per-round amounts, valuations, and who invested in each round.
Investors
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