this post was submitted on 23 Feb 2026
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Donut Labs released VTT's independant test results! (pub-fee113bb711e441db5c353d2d31abbb3.r2.dev)
submitted 1 day ago by n3m37h@sh.itjust.works to c/technology@lemmy.world
13 comments fedilink hide all child comments
 

They are testing a 26Ah battery pouch and were able to charge it at a 11C rate for 3 min and it retained 98.4% charge!!

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[–] Nomad@infosec.pub 6 points 1 day ago

This result matches largely with the startups claims. Given what they tested, cycle times and aging are largely unknown and thermal management requirements are quite high for fast charging, this results in problems with packing, aging and charge losses. Its a nice first step, but there is a ways to go until market readiness IMHO.

I'm something of an electrical engineer but not a battery expert by any means.