Ion Storage Systems key facts
as of Oct 2026- Developer of a solid-state battery platform designed to overcome the limitations of conventional lithium-ion technology.
- Ion Storage Systems is valued at approximately $170.0M as of Oct 2026 (last reported valuation).
- It has raised $59.0M; the latest was Later Stage VC ($1.0M) in Dec 2025.
- Notable investors include Alumni Ventures, Climate Capital, U.S. Department of Energy, TEDCO, Toyota Ventures — 25 tracked in total.
- Status: Privately Held (backing).
Ion Storage Systems's last reported valuation, Jul 2024. Nothing priced has surfaced since.
- ·The complete investor list: 25 names
- ·Watch Ion Storage Systems: the Monday email on marks, rounds and moves
Ion Storage Systems funding rounds
No funding rounds for Ion Storage Systems are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs Ion Storage Systems
25+Ion Storage Systems valuation
Ion Storage Systems's last reported valuation was $170 million in Jul 2024. No priced round, secondary trade or fund mark has surfaced since.
Ion Storage Systems investors
25 investors are on record for Ion Storage Systems, including Alumni Ventures, Climate Capital, U.S. Department of Energy and TEDCO.
About Ion Storage Systems
Developer of a solid-state battery platform designed to overcome the limitations of conventional lithium-ion technology. The company offers an inherently safe, durable architecture with high performance and reliability, enabling consumer electronics and electric vehicles to operate with improved safety and long-term dependability.
- Sector
- Energy
- HQ
- Beltsville, MD, United States
- Founded
- 2017
- Employees
- 54
- Website
- ionstoragesystems.com/
- Ownership
- Privately Held (backing)
Is this your company? Sign in with your work email to keep it current, or tell us what's wrong.