We don’t always have the answers, but we have some people on speed dial who do — which is why we present to you our FYI series where we have experts explain if lip balm is actually bad, how often you ...

As the owner of a 3-year-old laptop, I feel the finite lifespan of lithium batteries acutely. It's still a great machine, but the cost of a battery replacement would take me a significant way down the ...

When it comes to cordless power tools, batteries are the core technology that make them possible. Previously, we've talked before about how you can actually use DeWalt batteries with non-DeWalt tools, ...