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InvestmentUpdated on 28 January 2026

Lead investor for a €5m+ A-round to develop world's first carbon-negative battery

CEO at Geyser Batteries

Mikkeli, Finland

About

Geyser Batteries is a Finnish startup developing (TRL5) world's first carbon-negative power (MW-min) battery at under 30% competitors' cost. The battery technology we are developing is based on proprietary water-based electrochemistry, which is safe and sustainable. Our pipeline already exceeds 0.75 GW of grid-balancing power.

We are currently raising funds and looking for a lead investor to support our production development and the delivery of the first MW-scale pilot in 2026.

Applies to

  • Automotive, Batteries, Transport & Logistics

Organisation

Geyser Batteries

Start-up company

Mikkeli, Finland

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