If You have an almost new battery and for some reason it stop working, like after a crash, there is still hope to recover it, ...

They're in our phones, laptops and smartwatches—but lithium-ion batteries can be dangerous when damaged or overcharged.

We tested popular treadmills to help you find the best model, whether you're on a budget or ready to splurge. Plus, we explain what to know before you shop.