Sion Power
Tucson, US · Delaware corporation · 3 known investors
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Sion Power develops lithium-metal batteries through its patented Licerion platform, offering high energy-density cells for defense, aerospace, and electric vehicle applications. Originally a Brookhaven National Lab spin-off, the company runs R&D, testing, and pilot production at its Tucson, Arizona facility.
Founders & leadership




Board
Investors · 3
How we know: Boutique Venture Partners's portfolio page · Not right? Tell us
How we know: LG Technology Ventures's portfolio page · funding news · the VCSheet dataset · Not right? Tell us
Also in the syndicate · 1
Funding
SEC filings, press & company announcements$335.3M disclosed across 3 of 5 rounds · 2021–2024
- Undisclosed amountSeries AJan 2024Source ↗
- $75MraisedJan 2024 · 3 sources
LG Energy Solution (lead)
Source ↗
▶$20MraisedNov 2021 · 5 investors · Other EnergyRule 506(b)
- MARK W. HEISINGDirector
- LEO GUTHARTDirector
- TRACY KELLEYExecutive Officer, Director
- PETER SCHUHMACHERDirector
- DENNIS R. MANGINODirector
- MICHAEL FETCENKODirector
- PETER WALTHERDirector
- JAMES H. SIMONSDirector
- MARK SMITHExecutive Officer
- Offering amount
- $45M
- Amount sold
- $20M
- First sale
- Nov 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$240.3MraisedNov 2021 · 5 investors · Other EnergyRule 506(b)
- MARK W. HEISINGDirector
- DENNIS R. MANGINODirector
- PETER SCHUHMACHERDirector
- MICHAEL FETCENKODirector
- PETER WALTHERDirector
- TRACY KELLEYExecutive Officer, Director
- MARK SMITHExecutive Officer
- JAMES H. SIMONSDirector
- LEO GUTHARTDirector
- Offering amount
- $240.3M
- Amount sold
- $240.3M
- First sale
- Nov 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Sion Power do?
- Sion Power develops lithium-metal batteries through its patented Licerion platform, offering high energy-density cells for defense, aerospace, and electric vehicle applications. Originally a Brookhaven National Lab spin-off, the company runs R&D, testing, and pilot production at its Tucson, Arizona facility.
- Who are Sion Power's investors?
- Sion Power's investors include Boutique Venture Partners, LG Technology Ventures.
- How much funding has Sion Power raised?
- Sion Power has disclosed $335.3M raised across 3 of its 5 known rounds.
- Where is Sion Power headquartered?
- Sion Power is headquartered in Tucson, US.



