Your car’s battery is essential for powering everything from starting the engine to running your headlights and electronics.

However, most of us can't stay tethered to a wall outlet. Thankfully, you don't have to. The battery market is packed with options that can boost your phone's battery life no matter where you are.

A new version of Google’s Chrome browser has recently been released, and one of the new features is the program’s performance ...

That's still pretty impressive, given that the Razr is a foldable device, and those phones have traditionally struggled with battery life. The test numbers we use in the above chart reflect the ...

I've scoured the depths of the battery universe to bring you the crème de la crème of rechargeable batteries, helping you make an informed choice and ensuring you get the best performance and ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

We particularly like what [chmod775] has done with it, putting a VT100 terminal emulator on the device and hiding a NanoPi Neo Air single board computer in the battery bay. Powered from a USB ...

Keep your iPhone powered up when you need it most with one of the best portable power banks, tested by our CNET tech expert. Executive Editor David Carnoy has been a leading member of CNET's ...

By simulating battery behavior under various conditions, simulation models allow operators to predict battery performance and ...

[Steven Merrifield] built his own Scalar Network Analyzer and it’s a beauty! [Steve]’s SNA has a digital pinout matching a Raspberry Pi, but any GPIO could be used to operate the device and ...

Image above is for illustration purposes only. The Samsung Galaxy S25 series is shaping up to be only somewhat exciting as far as battery and charging upgrades go. Rumors suggest the battery capacity ...

Electric car battery life is one of the main concerns for those interested in buying an EV. Most electric cars use lithium-ion batteries – the same as the ones in your laptop or smartphone – and these ...