Waltham, MA · Founded 2021 · Privately Held (backing)
Developer a solid-state battery to demonstrate charge times and capacity retention over long cycles. Adden Energy is based in Waltham, MA and was founded in 2021. Its last known valuation is $45 million. It has raised $20.1 million across 2 recorded rounds; the latest was a $15 million early-stage round in Aug 2024.
Last price · $/share
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Implied valuation
$45.0M
Total raised
$20.1M
Last round
Early Stage VC
Aug 2024
Cap table — not yet on record
Adden Energy's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·Watch Adden Energy: the Monday email on marks, rounds and moves