The rapid adoption of electric vehicles and renewable energy storage has placed battery safety under a microscope. A single ...

Q: Is there a way to test an external battery pack before I go on a long road trip? A: With all the portable electronics we tend to bring on our trips these days, having a portable power source has ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...

While car batteries die more quickly in hot weather, keeping on top of things during the winter is still essential. Here's why: Cold temperatures reduce a battery's cranking power. A battery that's ...

The Samsung Galaxy S25 Ultra is the battery life king of Samsung devices, lasting longer than any Samsung phone we’ve ever put through our Tom’s Guide battery test. The Galaxy S25 Plus is no slouch ...