Sion Power Corp

TUCSON, AZ · Energy · Private

Lithium-metal rechargeable batteries for high-energy-density applications

New patent · Oct 13

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Updated Oct 23, 2026 · sionpower.com

Sector: Energy
Headquarters: TUCSON, AZ
Latest Form D: $20K, Nov 2021
Total capital: $290M

Federal grants: None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised: $290M; 3 Form D · last Nov 2021; 59 months since last filing
Federal contracts: $95K; 2 awards · NASA; Rank in Energy#192 of 998
Granted patents: 2; first 2026; Rank in peer group#30 of 108

Capital timeline

Latest events

Nov 2021Private capital raisedForm D · SEC · 3rd filing$20K
Nov 2021Private capital raisedForm D · SEC · 2nd filing$240M
Dec 2011Private capital raisedForm D · SEC · 1st filing$50M
Oct 2009Federal contractNASA · Research And Development For Improved Life Cycle Of Lithium Sulfur Cells The Period Of Performance Ends 10/31/2010.$50K
Apr 2008Federal contractNASA · 20 Cells And Characterization Data$45K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Federal first

44months

from Sion Power Corp’s first federal award to its first private round.

First federal award · Apr 2008: NASA · $45K
First Form D · Dec 2011: $50M · 1st Form D
Awards before first raise: 2 awards

An association in public records, not a cause or a prediction.

Standing among 108 peers

Line = median

Energy · Material

Granted patents#30 · top 28%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

From SEC Form D filings

DENNIS R. MANGINODirectorNamed in SEC Form D filings
JAMES H. SIMONSDirectorNamed in SEC Form D filings
LEO H. GUTHARTDirectorNamed in SEC Form D filings
MARK W. HEISINGDirectorNamed in SEC Form D filings
MARK SMITHExecutive OfficerNamed in SEC Form D filings
MICHAEL FETCENKODirectorNamed in SEC Form D filings

Show all 9 people

PETER W. SCHUHMACHERDirectorNamed in SEC Form D filings
PETER W. WALTHERDirectorNamed in SEC Form D filings
TRACY KELLEYExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 2 granted of 2

Oct 13, 2026New patentSystem And Method For Operating A Rechargeable Electrochemical Cell Or BatteryUSPTOUS 12,763,385
Oct 13, 2026New patentLithium Metal ElectrodesUSPTOUS 12,763,310

Aps Technology, Inc.Similar federal contract value in Energy · $100K in contracts
LCDRIVES CORP.Similar federal contract value in Energy · $100K in contracts
Creative Light Source, IncSimilar federal contract value in Energy · $100K in contracts
Yan Engines LLCSimilar federal contract value in Energy · $86K in contracts
AmpX Technologies, Inc.Similar federal contract value in Energy · $82K in contracts
Digital Solid State Propulsion, IncSimilar federal contract value in Energy · $80K in contracts

Regulatory activity · Energy

Sector-level, not company-level

09 Jul 2026Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
01 Jul 2026List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.