Tesla has quietly removed the Cybertruck’s range extender from the options in its online configurator. Does Tesla still plan ...

The maximum capacity of an iPhone measures how much the device’s battery has degraded over time. iPhones have lithium-ion ...

There's no harsher test for a power station than taking it to live completely off-grid, and that's what I did with the new Anker Solix F3800. Here's how it fared.

But there are also things that we can do to prevent battery wear. A research paper led by Jihyun Hong at Postech and Jongsoon Kim at Sungkyunkwan University on EV (electric vehicle) batteries uncovers ...

Apple phone losing charge too quickly? Try these iPhone battery hacks to make sure it lasts when you need it most.