In this episode of Shelf Life, meet Flint, a runner-up in the Packaging Startup Awards 2026, pioneering flexible, paper-based batteries designed to offer a safer and more sustainable alternative to conventional battery technologies.

In this interview, ThePackHub’s Paul Jenkins speaks with Flint Founder and CEO Carlo Charles about how the technology began, why packaging has emerged as an important application, and the growing demand for batteries that can be integrated into smart and connected packaging.

Carlo also shares what recognition through the Packaging Startup Awards has meant for Flint and what’s next for the business.

Think your startup could be next?

Entries for the Packaging Startup Awards 2027 are now open: https://packagingstartupawards.com/li...

Find out more about Flint: https://www.flintlabs.com/