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theion

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Theion is Designs a novel sustainable battery to power all mobile devices

Berlin, GermanyFounded 2020Transportation
Valuation $50–100M Last recorded · 2025
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
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About theion

Theion is a German startup that is pioneering the development of a new type of battery technology, known as the Crystal Battery. This innovative product is designed to offer a high-capacity, long-life, and fast-charging solution for a variety of applications, including mobile devices, wearable technology, electric vehicles, and renewable energy storage. The company's target market is broad, encompassing both consumer electronics manufacturers and industries that require large-scale energy storage solutions.

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Theion's business model is centered around the production and sale of its Crystal Batteries. The company plans to make money by selling these batteries to manufacturers of various devices and vehicles, as well as to energy companies that need efficient storage solutions for renewable energy. Theion's batteries are expected to be available for sampling by 2025, depending on the specific application.

Theion's Crystal Battery is unique in its use of sulfur, an industrial byproduct, which significantly reduces material costs and environmental impact. The company also claims that its production processes require only 10% of the energy used in traditional battery factories, further enhancing its sustainability credentials. Moreover, the batteries are designed for recyclability, making them easy, safe, and cheap to recycle.

In summary, Theion is a forward-thinking startup that is leveraging innovative technology and sustainable practices to disrupt the battery market. Its Crystal Battery promises to deliver superior performance and sustainability, potentially transforming a range of industries from consumer electronics to renewable energy storage.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2020
Headquarters
Berlin, Germany
Employees
33
Open positions
4
Dealroom signal
80.7/100
Sub-industry
Clean Energy, Energy Storage, Mobility
Sector
Transportation, Battery, Sustainable Development Goals, EV Battery Tech, Battery Cells, EV Battery Recycling, EV Battery
Technology
Artificial Intelligence, Hardware, Deep Tech
Business model
Manufacturing
Client focus
b2b

Funding history

6 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES A✓Equity / VC Mar 2025 $17M $66M Enpal · P.A.C. Pallas-Athene-Consulting · Compact Laser Solutions · Steelhorse Capital ↗
EARLY VC✓Equity / VC Sep 2023 $0 — Enpal ↗
Showing the latest 2 of 6 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearProfitMargin
2026 —
2025 —
2024 —
2023 —
2022 —
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

theion website traffic

Latest recorded traffic for theion is 1.8K monthly website visits, down 25% over the last three months. theion's team declined 2.9% over the past year.

Latest monthly visits1.8K 3-month web change-25% 1-year team growth-2.9%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

15 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

  • Johannes Eisele
  • IBB Business Team GmbH
  • Team Global

Series A11 investors entered at this stage

  • Enpal
  • P.A.C. Pallas-Athene-Consulting
  • Compact Laser Solutions
  • Steelhorse Capital
  • Fluss des Lebens
  • Luktev
  • Verdihagen
  • ZipAir SASU
  • Incari
  • Ibroker
  • Balson Family

Other known investors1 additional known investor

  • Hub71
Team profiled 10 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
4 countries with
team presence
🇩🇪 Germany89.3%
🇨🇭 Switzerland3.6%
🇨🇳 China3.6%
🇦🇪 United Arab Emirates3.6%
4 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about theion on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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