Harsh figures in the testing of the Finnish 'wonder battery' – Expert: 'The result is even worse than a normal lithium-ion cell'
Recent laboratory tests indicate that the new Donut Battery does not live up to its claims and performs worse than standard lithium-ion batteries.
The automaker has unveiled its new batteries – Features on par with Donut Lab's sensational battery
BYD has introduced its second-generation Blade battery technology, promising rapid charging times and plans for a megawatt-class charging network that extends to Finland.
Kim Väisänen on the Finnish miracle battery company: 'Too good to be true'
Finnish-Estonian startup Donut Lab has gained attention for its innovative Donut Battery, which boasts rapid charging and long durability, but has faced skepticism regarding its claims.
The test of the Finnish wonder battery did not go as planned: The cell swelled, the bag burst
A recent battery test conducted by VTT in Finland revealed unexpected issues with a battery developed by Donut Lab, leading to swelling and bursting.
Special Episode of Autoradio: VTT is indeed testing the controversial battery, but Donut Lab decides exactly what can be tested and what cannot
The Autoradio podcast discusses the recent tests conducted by VTT on Donut Lab's controversial battery and the limitations set by Donut Lab regarding what can be tested.
Has the real duration of the Finnish 'wonder battery' been revealed? Professor: 'Dead after 20-30 charge cycles'
Tests reveal that the Donut Battery performs exceptionally well under high temperatures, exceeding previous capacity claims.
The Mysterious Solid-State Battery of Finns Face the Hellish Heat and Emerges Victorious, According to Scientists
Finnish startup Donut Lab has tested its solid-state battery for high temperatures, showing it can endure extreme heat while becoming more efficient.
Donut Lab battery overheated too much in tests: Here's how the battery professor analyzed the results
The performance of Donut Lab's battery in recent tests has raised concerns due to overheating during a high-stress charging test.
Super battery company Donut Lab published the first results of VTT's research – experts: Nothing new or surprising
Donut Lab's recent battery research results, verified by VTT, demonstrate rapid charging capabilities, but lack support for the company's other claims.
Impressive test results of Finnish miracle battery published – Expert noticed one essential number that was left unmentioned
Finnish company Donut Lab has released test results for its solid-state battery, showcasing impressive charging speeds.
Finnish 'wonder battery' manufacturer: Device has now been tested – Results reportedly incredible
A Finnish technology company, Donut Lab, has announced incredible results from testing its new solid-state battery, reportedly charging in just five minutes.
Has the Holy Grail of Batteries Finally Been Found? The Mysterious Donut Lab Solid-State Battery Will Be Tested by Finnish Scientists
Donut Lab showcased the world's first solid-state battery ready for series production at CES, prompting both excitement and skepticism, leading to independent testing by Finnish researchers.
Donut Lab Promising a Revolutionary Battery Promises More Information - VTT Has Studied the Super Battery
Battery company Donut Lab claims to have tested its highly publicized solid-state battery with the Technical Research Centre of Finland (VTT), and will release performance data to support its claims.
Finnish Wonder Product Shakes the World – Now VTT Tests Whether the Incredible Product Promises Hold True
Finnish startup Donut Lab, known for its bold battery claims, has delivered its innovative battery to VTT, a Finnish research institute, for third-party verification and plans to share the test results publicly.
The Bold Claims of Donut Lab Founders' AI Company Have Professors Wondering - 'Independent Verification Needed'
Yle reports on the dubious claims made by Donut Lab's founders regarding their AI company's battery technology, prompting calls for independent verification from experts.
Controversial Finnish company launched a mysterious website – What will be revealed on February 20?
A Finnish company called Donut Lab is set to unveil details about its solid-state battery innovation on a newly launched website on February 20, amid ongoing speculation and demands for independent verification of its claims.
A Finnish company announces the development of the first solid-state battery ready for global production
Finnish startup Donut Lab claims to have developed the world's first fully solid-state battery ready for actual production, unveiled at CES 2026 in Las Vegas, though questions remain about the validity of its claims.