Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.
Finnish startup Donut Lab has just released the third independent test of its solid-state ...
Donut Lab battery validation adds a 10-day room-temperature retention figure of 97.7%, while energy density and weight data remain absent.
A car battery is a crucial component that plays a vital role in the operation of a vehicle. Its primary function is to provide electrical energy to start the engine and power various electrical ...
Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...
At CES, Donut Lab presented a solid-state battery allegedly ready for mass production. However, the impressive specifications prompted critics to question the ...
A simple trick every iPad owner should know.
We've tested the best phones you can buy in the US alongside many popular mid-range and budget models. One of the most important and objective tests we conduct is a standardized battery test. We're ...
A battery test shows iPhone 17 gains are real but modest, with eSIM-only models likely lasting longer thanks to larger ...