Energizer may have the brand name recognition and cute pink bunny mascot, but Costco's Kirkland batteries are a great value. Which one comes out on top?

In episode of the Xpeng G6 ownership series, we conduct a real world fast charging test using a 300 kW public charger.

If you were to take a laptop on a plane or away for a ski weekend, how long would it last streaming Netflix before it ran out of battery? It’s a good question, and one that deserves an answer. I’ve ...

Whether you’re a student yourself, or shopping on behalf of a school-aged child, choosing the right laptop can have a huge ...

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Lenovo's low-cost, 16-inch two-in-one is a versatile machine, but it forces you to live with more than a couple of compromises in the design.

Since announcing earlier this year that it was on the cusp of a major battery breakthrough, Finnish startup Donut Lab has faced a lot of questions, and plenty of skepticism, about its production-ready ...

A battery test shows iPhone 17 gains are real but modest, with eSIM-only models likely lasting longer thanks to larger ...

During testing, the solid-state cell sustained an 11C charging rate. The battery reached 80 percent charge in 4.5 minutes and ...

When a company claims to have created what’s essentially the holy grail of batteries, there are bound to be some questions. Interest has been swirling since Donut Lab, a Finnish company, announced ...

Donut Lab revealed the first independent test showing that its solid-state battery is capable of 11C charging, although it still has to prove other claims ...

VTT testing says Donut Lab’s “solid-state” battery likely matches lithium-ion; energy density measured at 298 Wh/kg, claims ...