European Union rules requiring electronics to include easily replaceable batteries could force consumer tech makers to rethink their designs and go beyond the repairability improvements they’ve made ...

Given the damage sustained by the pack, the results shouldn’t be that surprising. The loss of the vacuum seal certainly accelerated the battery’s degradation and contributed to its thick, swollen ...

Donut Lab has released five VTT test reports on its solid-state battery, but none address the 400 Wh/kg energy density or 100 ...

Recently, the alternator went bad, and being a 75-year-old guy who thinks he can do most everything, I installed a rebuilt alternator I bought from Advanced Auto Parts. Visit the Car Talk website at ...

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum ...

Cox Automotive today announced a major milestone in EV battery recycling: its EV Battery Solutions business has processed and ...

Donut Lab released a new test showing its solid-state EV battery retained 97.7% charge after 10 days, aiming to prove critics wrong who claimed it wasn’t a real battery. Donut Lab released a new test ...

Earlier this year, Finnish startup Donut Lab grabbed headlines after claiming it had developed the first production-ready solid-state EV battery capable of charging in about five minutes. The ...

Donut Lab’s latest solid-state battery prototype has undergone its third round of testing and the results have sparked a mix of optimism and concern. In this evaluation, the battery demonstrated 97.7% ...

Finnish startup Donut Lab has just released the third independent test of its solid-state “Donut Battery,” showing it retains 97.7 percent of its charged capacity after remaining idle for 10 days. The ...

Ever since Donut Lab unveiled its solid-state battery, experts have questioned the startup's claims. Donut Lab has commissioned an independent lab to verify that its SSB technology is real, and the ...