What BTRY does

BTRY AG is a Swiss semiconductor-inspired battery manufacturer developing ultra-thin all-solid-state lithium-ion cells for applications where conventional batteries cannot fit or perform. Founded in April 2023 as a spin-off from Empa and ETH Zurich, the company is headquartered in Dübendorf, Switzerland with offices and labs on the Empa campus. Its core technology platform uses vacuum coating and roll-to-roll production adapted from semiconductor manufacturing to produce solid-state battery cells starting at 0.1 mm thickness, capable of one-minute charging, operating from -40°C to +150°C, with 1000+ cycle life and intrinsic non-flammability.

The product portfolio centers on the BTRY 1S4P, an integrated battery for smart cards (less than 0.1 mm thick, 4x5 cm, up to 50 mAh), and the BTRY T150, a high-temperature variant for industrial sensors. The company targets three primary verticals: IoT devices (active smart cards, RFID tags, logistics labels, wireless sensors), MedTech (smart implants, CGM patches, autoclave-sterilizable surgical tools), and consumer electronics (smart rings, foldable devices, digital pens). Hive-Zox is the sole publicly named customer reference, engaged in smart card battery integration.

BTRY operates a B2B enterprise sales motion, selling custom-designed battery hardware directly to device manufacturers and securing offtake agreements. Pricing is quote-based and not publicly disclosed. The company is pre-revenue, with its first pilot production line commissioning in 2026 and industrial scaling planned for 2027. It has raised approximately CHF 6M in equity across a CHF 0.9M pre-seed (January 2024) and a $5.7M oversubscribed seed (November 2025, led by Redstone VC), plus EUR 2.2M in non-dilutive EIC Accelerator grant funding (June 2026). Total headcount stands at 14-15 employees, with plans to scale into a multi-site global manufacturer by 2030.

Name

BTRY

Legal name

BTRY AG

Website

https://btry.ch

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

11–50 employees

Short description

BTRY AG is a Swiss spin-off from Empa and ETH Zurich that designs and manufactures ultra-thin solid-state lithium-ion batteries using semiconductor vacuum-coating processes, targeting IoT, MedTech, and consumer electronics device makers with cells that are 0.1mm thick, charge in one minute, and operate up to 150°C.

Ownership category

akta.pro rank

Product category

Solid-State Battery Manufacturing

NAICS

Battery Manufacturing (335910), Battery Manufacturing (33591)

akta.pro primary industry

Solid-State Battery Materials & Cell Manufacturing (EUAFABAH)

akta.pro secondary industries

Battery Cells (Li-ion, LFP, Sodium-ion, Lead-acid, NiMH) (IMAGAHAA), Batteries & Battery Packs (Rechargeable/Primary, Device-Specific Packs) (CRACATAG), Battery Pack Manufacturing & Module Assembly (EUAFABAI)

Keywords

• Solid-state batteries
• Thin-film batteries
• Semiconductor battery manufacturing
• Ultra-fast charging batteries
• Smart card batteries

Headquarters

HQ city

Dubendorf

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Infrastructure, Operations, Marketing or Sales, Supply Chain

Revenue model

1. Battery hardware sales: Revenue generated from sale of ultra-thin solid-state batteries to device manufacturers and integration partners. Batteries are sold as custom-designed products tailored to specific applications in IoT, MedTech, and consumer electronics. Early-stage with focus on securing offtake agreements and establishing production partnerships.
2. Licensing and technology transfer: The company is currently in negotiations with licensees for its technology, targeting applications in wireless IoT sensors, wearables, and medical technology devices. Potential future revenue stream from licensing manufacturing processes and technology to third-party manufacturers.

Go-to-market motion3 records

Distribution channels1 record

Marketing channels5 records

Core offering

BTRY designs and manufactures ultra-thin all-solid-state lithium-ion batteries using semiconductor-inspired vacuum coating processes and roll-to-roll production. The company sells customized battery products, including the BTRY 1S4P (a sub-0.1 mm integrated battery for smart cards) and the BTRY T150 (a high-temperature battery stable up to 150°C), to device manufacturers and integration partners in IoT, MedTech, and consumer electronics markets. The batteries charge in one minute, are intrinsically non-flammable, and support flexible, customizable form factors.

Product overview

BTRY offers a portfolio of ultra-thin all-solid-state lithium-ion batteries built on a proprietary thin-film solid-state battery platform. The core offering consists of the BTRY 1S4P (smart card-specific integrated battery) and the BTRY T150 (high-temperature battery solution), both leveraging the company's scalable semiconductor vacuum-coating manufacturing process. The platform enables customizable form factors with key differentiators including one-minute charging, operation up to 150°C, 0.1 mm thickness, flexibility, and intrinsic safety. Target markets include IoT devices (logistics labels, sensors), MedTech (smart implants, CGM patches, surgical tools), and consumer electronics (wearables, foldable devices, digital pens).

Differentiator

Problem solved

Functional benefit

Brands

• BTRY T150: High-temperature solid-state battery solution stable up to 150°C for demanding industrial applications
• BTRY 1S4P

Products and services

• BTRY 1S4P The world's first ultra-thin integrated solid-state battery specifically designed for smart cards, with thickness less than 0.1 mm, area of 4x5 cm, capacity up to 50 mAh, and operational reliability from -40 to +150°C. Enables smart cards to function independently for applications including E-Ink displays, biometric authentication, onboard data storage, and location tracking.
• BTRY T150 High-temperature solid-state battery solution designed for applications requiring stable operation up to 150°C. Part of BTRY's ultra-thin solid-state battery platform featuring one-minute charging and flexible form factors for demanding industrial environments, autoclave sterilization, and high-temperature sensors.

Quantifiable outcome

• Batteries 5x thinner than any other available (0.1mm vs conventional)
• +6 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Twelve partnerships are on record, tiered core and minor.

• VenturelabcoreGTM or Marketing Partner · 1 March 2026Organizes Venture Leaders Mobile program where BTRY participated as Swiss National Startup Team at MWC Barcelona 2026. Supported by Huawei, Swisscom Ventures, and VISCHER. Organizes Top100 Swiss Startups Award.
• ETH ZürichcoreStrategic or Co-development PartnerBTRY is an official spin-off from ETH Zurich (since July 2025). Provides ongoing research collaboration and access to talent pipeline.
• Empa (Swiss Federal Laboratories for Materials Science and Technology)coreStrategic or Co-development PartnerBTRY was founded as spin-off from Empa. Company has offices and labs at the Empa campus in Dübendorf. Dr. Yaroslav Romanyuk, Head of Thin-Films Lab at Empa, serves as scientific advisor.
• ESA BIC SwitzerlandminorGTM or Marketing PartnerEuropean Space Agency Business Incubation Centre in Switzerland. BTRY has been part of the program since April 2024, receiving support for space-related battery applications.
• InnosuisseminorGTM or Marketing PartnerSwiss innovation agency providing Initial and Core Coaching to BTRY. Supports Swiss startups' international visibility, including participation at CES 2026 under Swisstech Pavilion.
• RECHARGEminorGTM or Marketing PartnerEuropean industry association representing the advanced rechargeable and lithium battery value chain. BTRY is part of RECHARGE as a battery technology innovator.
• iBAT (Swiss Battery Association)minorGTM or Marketing PartnerPlatform for industry and research partners that accelerates battery-based innovations in Switzerland. BTRY participates as a member company.
• MassChallenge SwitzerlandminorGTM or Marketing PartnerBTRY was a finalist of Masschallenge Switzerland 2025, selected out of a pool of 1,000+ applicants for the startup accelerator program.
• Dr. Yaroslav RomanyukcoreOthersHead of Thin-Films Lab at Empa with >130 publications. Serves as BTRY's scientific advisor, supporting research topics and strengthening the relationship with Empa.
• Bettina CharrièrecoreOthersFounder and CEO at Charrière Management, Core Coach from Innosuisse. Advises BTRY on strategy, business model, and financial planning since the company's beginning.
• Tilman EberleminorOthersMarketing Executive with experience at Doodle and Anybotics. Serves as BTRY's advisor for marketing and communication, supporting projects such as branding for the seed funding round.
• Torge ThönnessencoreOthersCo-founder of CustomCells and former Founder and Managing Director of CELLFORCE (Porsche AG's lithium battery cell supplier with 200+ employees). Advises BTRY on technological and commercial scaling.

Scale indicators10 records

Recent moves7 records

Expansion highlights8 records

Market position

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/btry-ag
• Xx.com/BTRY_AG

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds4 records

Investors9 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about BTRY