About Sion Power
Sion Power is an Energy & Utilities company based in Tucson (United States) founded in 1995. High-energy lithium-sulfur batteries are developed for portable and vehicle applications. Sion Power has raised $385.35 million across 5 funding rounds from investors including Cummins, LG Energy Solution and BASF. The company has 113 employees. Its chief executive, as recorded, is Dennis Mangino. Sion Power offers products and services including Licerion® Technology. Its focus areas include Energy Tech, Energy Storage Tech, Battery and Secondary Battery. Its legal entity is SION POWER CORPORATION. Its competitors include SunPower, 24m Technologies and Amprius Technologies; 3 of its 3 listed competitors have raised funding.
Company details
Sion Power was founded in 1995 in Tucson, United States, within the advanced battery sector. Rechargeable lithium-sulfur batteries with elevated energy density from sulfur ions are developed, surpassing traditional lithium options. These batteries are targeted for portable power sources, mobile electronics, and electric vehicles, supporting operations in energy storage and transportation technologies across North America.
- Headquarters Tucson, United States
- Employees 113
- SectorsEnergy & Utilities
- Phone•••• ••••
- Website sionpower.com
- Social LinkedIn
- Legal Name Sion Power Corporation
- Total Equity Funding$385.35M (USD)
in 5 rounds
- Latest Funding Round$75M (USD), Series D
Jan 2024
- InvestorsCummins
& 5 more
- Employee Count113
Products & Services of Sion Power
Sion Power offers a comprehensive portfolio of products and services, including Licerion® Technology.
Provides high-energy lithium-metal batteries for enhanced density in EVs
Funding Insights of Sion Power
Sion Power has successfully raised a total of $385.35M across 5 strategic funding rounds. The most recent funding activity was a Series D round of $75 million completed in January 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $385.35M
- Total Rounds 5
- Last Round Series D — $75M
- First Round $1.27M
(Sep 2009)
- Investors Count 6
All 5 funding rounds of Sion Power with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jan 2024 | $75M | Series D | – | LG Energy Solutions | |
| Nov 2021 | $260.35M | Series D | – | Cummins | – |
| Dec 2011 | $50M | Series C | – | – | |
| Jun 2010 | $9.31M | Grant | – | – | |
| Sep 2009 | $1.27M | Grant | – | – |
6 investors in total: 6 institutional.
Investors in Sion Power
Sion Power has secured backing from 6 investors, including institutional and venture fund investors. Prominent investors backing the company include Cummins, LG Energy Solution and BASF.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Multiple sectors are invested in by this single-family office. | New York, United States | |||
Lithium-ion batteries for various electric vehicle categories are manufactured. | 2020 | lgensol.com | Seoul, South Korea | |
| hillspirellc.com | ||||
Manufacturer of gas-powered construction equipment | 1919 | cummins.com | United States | |
Chemicals and related products are produced and marketed globally. | 1865 | basf.com | Florham Park, United States | |
Scientific and technical information is managed and disseminated by OSTI.GOV. | osti.gov | Oak Ridge, United States |
Investor details for Sion Power
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People of Sion Power
19 people are tracked at Sion Power (6 in leadership, 13 in team); the tracked headcount is 113.
| Name | Role | Group |
|---|---|---|
Dennis Mangino | CEO | Leadership |
Tracy Kelley | CEO | Leadership |
Mitchell Hourtienne | Chief Commercial Officer (cco) | Leadership |
Cory L. | Director of Information Technology | Leadership |
Michael Laramie | Director of Engineering | Leadership |
Dave Child | Engineering Manager-Assistant Director of Engineering | Leadership |
steve diprinzio | Sr Mechanical Engineer | Team |
Joe Manes | Controls Engineer | Team |
Dennis Bullen | Sr. Technical Program Manager | Team |
Robert Moldovan | Sr. Engineering Technician | Team |
Bryan Matthews | Cell Design Manager | Team |
Shane Harrel | Mechanical Engineer | Team |
Lorin Birch | Vacuum Engineer | Team |
Brent Hernandez | IT Manager | Team |
Michael Platt | Mechanical Engineer | Team |
Alexandra Spotts | Cell Mechanical Engineer | Team |
Anna Rios | Manufacturing Technician At Sion Power Corporation | Team |
Charlie Kelley | Electrochemist | Team |
Larry Weinstein | Cell Design Engineer | Team |
Complete people profiles for Sion Power
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
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Timeline of Sion Power
3 dated milestones of Sion Power across 29 years, from founding to its latest funding, stage changes and deals.
- Founded Sion Power is founded.
- Funding First funding round of $1.3M.
- Funding Latest funding round, Series D, of $75.0M.
Competitors of Sion Power
Sion Power has 3 listed competitors in our database, 3 of them funded. They include SunPower, 24m Technologies and Amprius Technologies.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| sunpower.com | 1985 | San Jose, United States | $171.73M | 1,889 | Silicon-based solar PV modules are manufactured for diverse applications. | |
| 24-m.com | 2010 | Cambridge, United States | $500M | 147 | Semi-solid lithium-ion batteries are developed to address manufacturing issues. | |
| amprius.com | 2009 | Fremont, United States | $55M | 64 | Silicon nanowire-based Li-Ion batteries are developed for high energy density. |
Detailed competitors of Sion Power
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- Full competitor set
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Web traffic of Sion Power
Websites that share an audience with Sion Power (sionpower.com).
Websites whose visitors overlap most with Sion Power. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
goldenseason.com.sg | goldenseason.com.sg | 100% | – | ||
| nanotechenergy.com | 79% | 4.1K | #4,579,422 | View details | |
| lithiumamericas.com | 68% | 18.4K | #1,452,244 | View details | |
| ifeu.de | 66% | 20.7K | #946,182 | View details | |
| solidpowerbattery.com | 64% | 31.2K | #1,031,704 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 7 similar websites and full traffic analytics for Sion Power
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- 7 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Energy Storage Systems
3 companies that operate in the same segment as Sion Power (Energy Storage Systems) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Electric buses and charging systems are manufactured for fleets. | 2004 | Burlingame, California, United States | USD 857.79 M | USD 309.36 M | 418 | |
Silicon-based solar PV modules are manufactured for diverse applications. | 1985 | San Jose, California, United States | USD 171.73 M | USD 300 M | 600 | |
Iron-air energy storage systems are developed for renewable energy projects. | 2009 | Somerville, Massachusetts, United States | USD 2 B | 902 |
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Related news about Sion Power
Complete news archive for Sion Power
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Frequently Asked Questions about Sion Power
Sion Power was founded in 1995 and raised its 1st funding round 14 years after it was founded.
Sion Power is headquartered in Tucson, United States. It is registered at Tucson, Arizona, United States.
Dennis Mangino is the CEO of Sion Power, as recorded in our data.
Sion Power is a funded company, having raised a total of $385.35M across 5 funding rounds to date. The company's 1st funding round was a Grant of $1.27M, raised on Sep 2009.
Sion Power has 113 employees.
Sion Power was founded in 1995 in Tucson, United States, within the advanced battery sector. Rechargeable lithium-sulfur batteries with elevated energy density from sulfur ions are developed, surpassing traditional lithium options. These batteries are targeted for portable power sources, mobile electronics, and electric vehicles, supporting operations in energy storage and transportation technologies across North America.
Sion Power's top competitors include SunPower, 24m Technologies and Amprius Technologies.
Sion Power offers Licerion® Technology.
Sion Power has 6 investors. Key investors include Cummins, LG Energy Solution, BASF, Euclidean Capital, and Hillspire.
Sion Power operates through Sion Power Corporation.