What's Happening?
Donut Lab has released independent test results for its solid-state battery, confirming a rapid charging capability from 0 to 80% in just 4.5 minutes at an 11C rate. The tests, conducted by Finland's VTT Technical Research Centre, highlight the battery's
impressive charging speed but also reveal significant thermal management challenges. During testing, the battery's surface temperature reached a critical 90°C, necessitating a pause for cooling. This raises questions about the battery's real-world application, as Donut Lab had marketed the battery as requiring no active cooling. The report only verifies the fast-charging claim, leaving other ambitious claims, such as high energy density and long cycle life, untested.
Why It's Important?
The development of a solid-state battery with such rapid charging capabilities could significantly impact the electric vehicle industry by reducing charging times and potentially increasing adoption rates. However, the thermal management issues identified suggest that further engineering solutions are needed to ensure safety and reliability. The unverified claims of high energy density and long cycle life are critical, as they could position Donut Lab ahead of competitors if proven true. The skepticism from industry experts highlights the need for comprehensive testing to validate these claims, which could influence investor confidence and market dynamics in the battery technology sector.
What's Next?
Donut Lab plans to release further test results in the coming weeks, which will be crucial in determining the viability of their battery technology. The company aims to integrate these batteries into Verge Motorcycles by the end of Q1 2026. Industry stakeholders and potential customers will be closely monitoring these developments, as the results could either validate Donut Lab's claims or reinforce skepticism. The outcome will likely influence the company's market position and the broader adoption of solid-state batteries in various applications.









