Stealth founder sits down for first major interview: 'We don't need to brag about what we're working on'
13 mars 2026
06:09
Tempur mattresses, ski goggles, and underwear endorsed by rapper 50 Cent – Mathias Ingvarsson doesn't exactly have the typical CV of an energy tech CEO.
In his first major interview, Ingvarsson, boss at the under-the-radar startup Holyvolt, discusses with Impact Loop:
→ How the battery "printing" tech actually works
→ Why knowing nothing about the industry turned out to be an advantage
→ And whether there's any truth to the rumours swirling online
In his first major interview, Ingvarsson, boss at the under-the-radar startup Holyvolt, discusses with Impact Loop:
→ How the battery "printing" tech actually works
→ Why knowing nothing about the industry turned out to be an advantage
→ And whether there's any truth to the rumours swirling online
What finally drew the mysterious energy startup Holyvolt into the open was its acquisition of American battery company Wildcat Discovery Technologies, announced last week.
For years, Holyvolt has kept an extraordinarily low profile. Founded in 2022, the company spent a long stretch building almost entirely in silence – no press releases, no public presence, not even a website. Yet clues kept emerging: a technology concept rooted in screen printing and thin-film layers...