A good cordless drill makes a big difference in your home improvement projects. Here are our picks for the best.

They’re everywhere today, but lithium-ion jump starters only first appeared in 2013. Now there are thousands of them ( ...

A longer-lasting EV battery could be just around the corner thanks to new research into single-crystal electrode batteries.

Researchers have employed an unlikely organism—fungi—to make a new type of biodegradable battery ... These biodegradable batteries could at first find use in off-the-grid locations for powering small ...

it's paramount to keep our phones' batteries charged. 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 ...

We test disposable batteries in three different conditions ... such as clocks and smoke alarms – these use a small and steady amount of power over a long period. We time how long it takes each battery ...

“We found that a third of the toys and household items that we looked at had button batteries that were dangerously accessible.” The battery compartments on these five products opened so ...

If you had asked me a few years ago what I considered to be the weakness of modern smartphones compared to older phones, I'd have said the battery ... one other test on smartphone batteries ...

These results showcase a phone that can easily keep up with heavy daily use, though our expectations for the combination of a 6,000mAh battery and a 3nm processor were a bit higher in some scenarios.

Battery testers come in various shapes and sizes and can be used for different types of batteries. However, when it comes to small batteries, not all testers are created equal. The best battery ...

did not “have the required on-product and on-box warnings concerning the severe risk of injury from battery ingestion if these small batteries are not kept out of reach of children,” the CPSC ...