Sion Power - About the company
Sion Power is a series D company based in Tucson (United States), founded in 1995. It operates as a Develops Li-Sulphur batteries. Sion Power has raised $385M in funding from Cummins and LG Energy Solutions, with a current valuation of $*****. The company has 1288 active competitors, including 132 funded and 94 that have exited. Its top competitors include companies like QuantumScape, Amprius Technologies and Sunwoda Electronic.
Company Details
Develops Li-Sulphur batteries. The platform develops a new generation of high-energy, rechargeable lithium-Sulphur batteries for portable power, mobile electronics, and electric vehicles. Higher energy is available from sulfur ions compared to other lithium.
- Website
- sionpower.com
- Phone Number
- +1 **********
- Registered Address
- Tucson, Arizona
Key Metrics
Founded Year
1995
Location
Tucson, United States
Stage
Series D
Total Funding
$385M in 6 rounds
Latest Funding Round
Post Money Valuation
$***** as on Jan 24, 2024
Ranked
31st among 1288 active competitors
Employee Count
93 as on Jun 30, 2026
Similar Companies
Legal entities associated with Sion Power
Sion Power is associated with 1 legal entity given below:
Legal Entity Name | Date of Incorporation | Revenue | Latest Employee Count | Documents |
|---|---|---|---|---|
Sion Power Corporation CIN: 112955458 , United States, Active | Dec 26, 999 | - | 74 (As on Dec 31, 2024) | - |
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Sion Power's funding and investors
Sion Power has raised a total funding of $385M over 6 rounds. Its first funding round was on Sep 25, 2009. Its latest funding round was a Series D round on Jan 24, 2024 for $*****. 3 investors participated in its latest round. Sion Power has 7 institutional investors.
Here is the list of recent funding rounds of Sion Power:
Filter this list
Filter this listDate of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Jan 24, 2024 | 2198101 | Series D | 4833528 | 1474315 | 6519940 | 8331387 |
Nov 05, 2021 | 1333039 | Series D | 5472745 | 6516524 | 5384326 | 4027179 |
Dec 12, 2011 | 6991400 | Series C | 3500643 | 2065839 | 9064354 |
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Sion Power's founders and board of directors
Founder? Claim ProfileSion Power's employee count trend
Sion Power has 93 employees as of Jun 26. Here is Sion Power's employee count trend over the years:
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Sion Power's Competitors and alternates
Top competitors of Sion Power include QuantumScape, Amprius Technologies and Sunwoda Electronic. Here is the list of Top 10 competitors of Sion Power, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st |  QuantumScape 2010, San Jose (United States), Public | Developer of solid-state lithium-metal battery technology for electric vehicle applications | $1B | 73/100 | |
2nd | Amprius Technologies 2009, Fremont (United States), Public | Developer of silicon nano-wire-based Li-Ion batteries | $55M | 72/100 | |
3rd |  Sunwoda Electronic 1997, Shenzhen (China), Public | Manufacturer of lithium-ion batteries, energy storage systems, and related hardware | - | 71/100 | |
4th | Enovix 2006, Fremont (United States), Public | Battery cells developer for lithium-ion batteries | $220M | 69/100 | |
5th | 24m Technologies 2010, Cambridge (United States), Series H | Developer of battery technology for electric vehicles and energy storage | $500M | 69/100 | |
6th | Developer of battery solutions for energy security and sustainable e-mobility | $147M | 68/100 | ||
7th |  Emo Energy 2022, Bengaluru (India), Series A | Provider of energy management systems integrating battery technology and charging hardware | $14.1M | 67/100 | |
8th | Factorial Energy 2013, Woburn (United States), Series D | Developer of sustainable solid-state batteries | $244M | 66/100 | |
9th | Manufacturer of lithium-ion battery cells and modules for electric four-wheelers | $1.2B | 65/100 | ||
10th |  Clean Electric 2020, Pune (India), Series A | Manufacturer of battery technology for energy storage and electric vehicles | $8.35M | 65/100 | |
31st | Sion Power 1995, Tucson (United States), Series D | Develops Li-Sulphur batteries | $385M | 57/100 |
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Sion Power's Investments and acquisitions
Sion Power has made no investments or acquisitions yet.
Reports related to Sion Power
Here is the latest report on Sion Power's sector:
News related to Sion Power
Filter this listMedia has covered Sion Power for 1 event in last 1 year, It was about company updates.
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SION POWER TARGETS DRONE WARFARE GAP WITH 500 WH/KG LITHIUM-METAL BATTERIESPR Newswire•Apr 21, 2026•Sion Power
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Tucson-based Sion Power hits critical EV battery cell production milestoneThe Business Journals•Apr 01, 2025•Sion Power
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Sion Power Advances Licerion® Battery Commercialization With New Large-Format Cell Production Line and Strengthened LeadershipMiningstockeducation•Mar 31, 2025•Sion Power
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Sion Power Appoints Auto Industry Veteran Martin Fischer to Board of DirectorsMiningstockeducation•Sep 30, 2024•Sion Power
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Automotive and Transportation Leader Pamela Fletcher Joins Sion Power as Chief Executive OfficerBusiness Wire•Aug 13, 2024•Sion Power, Delta
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Sion Power & Muhlbauer to Create Manufacturing Line for Lithium Metal CellsSilicon Canals•Apr 16, 2024•Sion Power, Muhlbauer
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Sion Power & Muhlbauer to Create Manufacturing Line for Lithium Metal CellsBusiness Wire•Apr 16, 2024•Muehlbauer, Sion Power
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LG Energy to buy more Australian lithium for US EV benefitsKedglobal•Feb 14, 2024•LG Energy Solutions, SK On, Samsung SDI, Sion Power and 6 others
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