Fourth Power is an energy storage startup that uses thermal batteries.
Fourth Power has raised $19.0M in total funding. The most recent round was Series A. The last funding was announced in December 2023.
Fourth Power's investors include Breakthrough Energy Ventures, DCVC, Black Venture Capital Consortium.
Fourth Power is headquartered in Cambridge, United States.
Fourth Power is an energy storage startup that uses thermal batteries.
Fourth Power is at the Series A stage.
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"Fourth Power — Funding & Investors." VCBacked, December 12, 2023, https://www.vcbacked.co/company/fourth-power. Accessed July 21, 2026.
VCBacked. (2023). Fourth Power — Funding & Investors. Retrieved July 21, 2026, from https://www.vcbacked.co/company/fourth-power
{{cite web |title=Fourth Power — Funding & Investors |url=https://www.vcbacked.co/company/fourth-power |website=VCBacked |access-date=July 21, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated