VoltStorage

Next Generation Batteries for a Cleaner World

Munich, Germany · Founded 2016 · $31.3M raised

Headquarters
Munich
Employees
51–200
Founded
2016
Business Model
B2B
Total Funding
$31.3M
Last Round
$24.4M Series CJul 2022
Rounds
4

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 5 funding rounds and 2 investors for this company. The full record is or through the API.

About

VoltStorage was a Munich-based developer of next-generation stationary flow batteries, pioneering iron salt redox flow technology for long-duration storage of renewable energy. Founded in 2016, the company developed cost-efficient and resource-saving battery storage solutions to make solar and wind power available around the clock. Its iron salt battery targeted utility-scale and distributed energy storage applications as a sustainable alternative to lithium-ion. The company raised over €66 million before shutting down in 2025, with its IP and assets acquired by US-based ESS Inc.

Summary

VoltStorage is an Energy Storage company based in Munich, Germany, founded in 2016. It has raised $31.3M in total across 4 rounds, most recently a $24.4M Series C round in Jul 2022. Investors include European Investment Bank and Cummins.

Tech & App Stack

4 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

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Funding History

Debt FinancingDebt FinancingJul 2023
$33.1M

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Funding: Seed through Series C. Amounts, valuations, and investors where available.

Investors

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