Even if you’ve got a long-lasting notebook, sometimes you need to preserve every last bit of your laptop’s battery to help it survive the day. And if your laptop’s getting older, its battery life may ...

Older MacBooks include a little-known charging feature designed to reduce long-term battery wear. Here's where to find it and how it works today.

For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...

Our editors hand-picked these products based on our tests and reviews. Read now Everything wears out eventually, but with a little bit of care and attention, a rechargeable battery can give you years ...

But doesn’t that number, 80%, seem rather arbitrary? Is there really any point in capping yourself at less than full capacity? It’s time to wade through more battery facts and fiction. Here’s what you ...

Batteries are undoubtedly part of our energy future. Should you put one in your home now to store solar output, manage your energy use and cut costs? It really depends on what you want to achieve.