YouTuber ScruffedBits has built what is effectively a homegrown UPS made from dozens of AA batteries. Some were rechargeable, but most were cheap disposables, and they were able to get a full-size ...

One of the leading theories for why hitting a remote works is that a firm smack helps shake loose any oxidation that may have formed on the battery contacts.

Donut Lab and Verge Motorcycles tested a solid-state battery pack that charged an e-motorcycle from 10% to 70% in just over nine minutes.

YouTube creator ScuffedBits re-did their experiment and was able to eke out 30 minutes of game time (and a benchmarking session!) while running their desktop PC on 64 AA batteries.

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.

Buying batteries in bulk may sound like a great way to save money, but how long can you expect your batteries to last if you ...

During CES 2026, Donut Lab claimed it had built a solid-state battery that promised unprecedented energy density, longevity, and charging performance. Skeptics demolished Donut Lab's claims, but the ...

In 2020, Volkswagen invested roughly €1 billion ($1.2 billion) in Gotion to acquire a 26% stake, making it the Chinese battery giant’s largest shareholder. Gotion will supply lithium iron phosphate ...

The Finnish startup’s battery not only survived extreme heat conditions, it actually gained capacity. The Finnish startup’s battery not only survived extreme heat conditions, it actually gained ...

Fifteen years ago, when modern electric vehicles were just hitting the road, no one knew exactly what to expect from their giant, expensive lithium-ion batteries. As batteries age, they hold less and ...