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Adden Energy raised $15 million in a Series A round led by At One Ventures to scale production of its solid state battery technology.

PRIVATEOct 23, 2024

Amount Raised

$15 Million

Round Type

Series A

WalthamManufacturingEnergy

Investors

At One VenturesMassVenturesRhapsody Venture PartnersPrimavera Capital Group

Description

Adden Energy has raised $15 million in a Series A round led by At One Ventures with participation from Primavera Capital Group, Rhapsody Venture Partners, and MassVentures. The funding will be used to construct a roll-to-roll pilot line production facility to scale their solid state battery technology for car manufacturers.

Quick answer

Adden Energy raised $15 Million in a Series A round, dated October 23, 2024. Investors: At One Ventures, MassVentures, Rhapsody Venture Partners and Primavera Capital Group. Adden Energy is based in Waltham, Massachusetts, United States.

How much did Adden Energy raise?
Adden Energy raised $15 Million in a Series A round on October 23, 2024.
Who invested in Adden Energy?
At One Ventures, MassVentures, Rhapsody Venture Partners and Primavera Capital Group are named as investors in this round.
What does Adden Energy do?
Adden Energy is developing the world’s fastest lithium metal batteries based on novel self-healing solid-state battery technology.
Where is Adden Energy based and how big is it?
Adden Energy is based in Waltham, Massachusetts, United States. Fundz records about 2 employees.
Who are the decision-makers at Adden Energy?
Fundz holds 1 contact at Adden Energy. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Energy and Manufacturing around the same time

Companies in the same sectors as Adden Energy that raised within 45 days of this round, from Fundz verified event records.

  • Illumion raised $2.7M (Seed) on December 4, 2024.
  • Enzo Life Sciences raised $8.3M on December 3, 2024.
  • FastCAP Systems raised $44M on November 27, 2024.
  • Molyon raised $4.6M (Seed) on November 26, 2024.
  • Silfab Solar raised $100M (Funding Round) on November 21, 2024.
  • ConnectDER raised $35M on November 18, 2024.

Who to call at Adden Energy, and when

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Company Information

Company

Adden Energy

Location

1432 MAIN STREET

Waltham, Massachusetts, United States

About

Adden Energy is developing the world’s fastest lithium metal batteries based on novel self-healing solid-state battery technology. Targeting the Electric Vehicle market, Adden Energy’s batteries can double the driving range while cutting the charge-times to as fast as gas. Adden Energy’s mission is to enable everyone to adopt electric vehicles by reaching parity or better with the internal combustion engine in every consumer-facing dimension, including price. The increased energy density reduces the amount of materials needed and thereby reduces costs by 30% or more.

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Related People

1 contact
Verified contacts4 people are listed at Adden Energy. We don't have their email yet.See plans and pricing
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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Adden Energy raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.