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 ...

There have been many incidents in which battery failure has caused fires, with the news reporting catastrophic results in some instances. Decomposition reactions in batteries’ electrolytes and ...

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 ...