Test Editor Doug Newcomb recently tested a slew of portable jump starters and landed on eight he recommends—five of which are ...

This easy and affordable add-on assists aging batteries by delivering 700 amps of instant power to help start your car. We ...

Slimline and lightweight, this ultra-portable laptop offers plenty of power where it matters, making it ideal for workers, ...

A relatively new breed of compact, battery powered chainsaws promises to make light work of pesky branches that clatter combine cabs, whack wing mirrors and unseat sprayer nozzles. Avoiding the faff ...

If your car battery is three or four years old, the first serious cold snap could be the morning it quits. Here’s how to spot the warning signs. Cold weather exposes weak car batteries, increasing ...

John V. is back again with the end of year results of the Tom’s Guide Battery Test, ranking the best phones for battery life based on our official benchmarks. All of the smartphones on this list ...

Discover why smartphone batteries degrade faster over time, with expert insights on battery degradation science, smart smartphone battery tips, lithium-ion lifespan, and device maintenance. Pixabay, ...

Amazon said it will begin allowing select businesses to test its internet-from-space service. Earlier this month, Amazon renamed its satellite internet offering from Project Kuiper to Amazon Leo as it ...

Every battery-powered tool you could need to take care of your home and yard is on on sale at Amazon for early Black Friday. By Stan Horaczek Published Nov 20, 2025 12:11 PM EST We may earn revenue ...

When it comes to battery longevity, it appears that brand matters. A recent study published by Germany’s ADAC revealed tangible, real-world differences in how the high-voltage batteries in PHEVs age ...