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Delivering smart card solutions for Access Control, Cryptocurrency Wallets, Payments, and Healthcare

Freevolt creates cutting-edge smart card products utilising our RF harvesting technology, which unlocks power for new security functions and transforms the way companies combat fraud

The Problem

Global Credit card and debit card fraud resulted in losses amounting to $28.58 billion during 2020, up 18% from 2017.
(Nilson Report - Global Fraud)
Fraud losses on UK issued cards totalled £574.2 million in 2020, a 2% increase from £565.4 million in 2017
(UK Finance)
The average total cost of a physical security breach was $3.54 million in 2021.
(IBM Security)
Identity fraudsters have stolen $112 billion over the past six years — that’s around $35,600 every minute
(Security Intelligence)
The industry is seeking to solve these problems through enhanced on-card security techniques (e.g. biometrics, dynamic CVV, tokenisation)
New security features require additional power, however adding batteries or external chargers to existing card technologies is not optimal

Our Technology

Radio Frequency Energy Harvesting

Freevolt’s radio frequency energy harvesting technology is capable of using existing RF sources, such as Point-of-Sale (POS) terminals, in order to combat card fraud by unlocking additional power to drive biometrics, Dynamic CVV, and other enhanced security measures.


Generating higher power, enabling greater functionality

No regulatory or infrastructure changes - works with existing card technologies

Enables better security and UX/speed

Fits into existing card footprint and thickness

Uses off-the-shelf components

No recharging or changing batteries: it works whenever you position it next to a card machine

Proprietary technology with multiple patents filed / granted

More Power = More Security

S-Key



Tighter Control: Maintain 2-Factor Authentication, with additional security layer possible (3FA)

Removes Threat from Card Loss: Only named individual can use the card to gain access

Scalable & Easy to Adopt: Works with existing access control systems, no changes required

Better Privacy & GDPR Compliance: Fingerprint hash encrypted and stored on the card (never leaves the card)

Improved Hygiene: Secure, contactless entry now possible post COVID-19 pandemic

News and Press Releases

Biometrics by Fingerprints in a biometric access card by Freevolt Technologies (November 2021).

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Freevolt Technologies Selected for Innovate UK Scaleup Programme (October 2021).

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Drayson Technologies (Europe) Limited has changed its name to Freevolt Technologies Limited to mirror the Freevolt technology brand in the business name (October 2021).

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Drayson Technologies Develops Next Generation Biometric Smart Cards Powered By Freevolt Energy Harvesting (June 2021).

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Drayson Technologies Awarded Innovate UK Grant To Develop Next Generation Smart Cards Powered By Freevolt (January 2021).

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Drayson Technologies extends technology license with CardLab to provide the latest third generation Freevolt energy harvesting technology to power smartcards (February 2020).

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Drayson Technologies signs a technology licensing agreement with CardLab for the use of Freevolt world leading energy-harvesting technology to power biometric smartcards (December 2018).

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Drayson Technologies listed in 2017 Tech Tour Growth 50 – Europe’s 50 future unicorns.

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Drayson technologies wins global recognition for Freevolt at idtechex show.

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Drayson Technologies works with CST on the development of its FreevoltTM technology.

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About Us

Who We Are


Freevolt Technologies is a UK technology company developing next-generation biometric smart card products for the access control, cryptocurrency wallet, healthcare and payments sectors.

Spun out from work completed at Imperial College London, and developed over 7 years, Freevolt is a global award-winning suite of proprietary, patented and patent-pending technologies that recycle and harvest RF energy from radio transmission networks (NFC, cellular, Wi-Fi, etc.) to power next-generation biometric smart cards. The Company owns over 20 granted patents protecting our IP across multiple territories.

We are based in London, UK, with a team of international engineers bringing a wealth of experience in product development and manufacturing, as well as expertise in RF energy harvesting and associated power technologies. Our board is led by Lord Drayson PhD FREng, who has built £500m+ technology businesses over the past 20 years.

What We Do


Freevolt’s mission is to deliver advanced biometric smart cards that feature fraud protection and improved security without imposing any changes in the existing card reader infrastructure or the user experience. Our lead product, S-Key, is a battery-less biometric smart card for access control, helping businesses reduce security and impersonation risks through stronger user authentication.

Our technology can be miniaturised and allows for advanced features on contactless smart cards by providing 2-3x more power than stock secure elements or other comparable energy harvesting solutions on the market. We support secure elements from the major manufacturers, using them as drop-in components to provide the communications.

Freevolt uses existing manufacturing techniques and components, is compliant with size and thickness requirements for existing smart and credit card standards, and is already in use for mass manufacture, having signed its first non-exclusive global licence in 2018.

How We Work


We sell biometric smart cards into the access control, cryptocurrency wallet, healthcare, and payments sectors. With our lead product, S-Key, now available for the access control market we continue to explore and develop the S-Key plaform across other vertical markets, helping bridge the gap between physical and digital access solutions.

Additionally, we license our technology to companies within the smart card sector, using Freevolt to enhance their existing product roadmap, and providing a path to mass-scale global commercialisation. By offering drop-in-ready reference designs, we reduce integration effort and time to market.


Awards and Recognition

"Freevolt’s true benefit lies in its ability to deliver power when the card is misaligned or operating at distance from the reader. Currently, we have seen no other solution on the market that is able to deliver this consistency in performance when not fully aligned with the reader"

Frank Sandeløv (CEO – CardLab Innovation Aps)

Innovate UK EDGE Scaleup Program 2021-2022

Baseline Smart Card Energy Harvesting for Plug-and-Play Integration

Best Technical Development Within Energy Harvesting

Tech Tour Growth 50 2017

Contact Us

Call Us
+44 (0)203 176 2350
Registered Address
Freevolt Technologies Limited
Grand Union Studios, 332 Ladbroke Grove
London
W10 5AD
United Kingdom