A Cybertruck owner ran into issues charging his car after just 15,000 miles of driving, but what Tesla did next might ...

This handy AC brick has a built-in battery pack and can even wirelessly charge your stuff. Snag yours at a steal of just $68 right now.

For most people, a battery pack that’s misbehaving simply means it’s time to get a new battery. But when the battery in their ThinkPad wasn’t able to muster up more than 20 minutes of ...

As a battery's state of charge (SOC ... three EVs to the track and clock their 60-mph times with a fully charged pack, with 10 percent charge, and at several increments in between.

The build starts with 18650 lithium-ion cells sourced from a recycler, packed inside obsolete modem battery packs. After harvesting 390 cells, the best 364 are chosen and assembled into plastic ...