Q: What are my options when the battery on my Windows laptop is going out? A: If you find yourself tethered to a wall outlet more often than you’d like, your laptop’s battery is telling you that ...

We may receive a commission on purchases made from links. There's nothing more annoying than checking the time on your wall clock and realizing the battery's already dead, or plopping down on your ...

ADAC study of 28,500 PHEVs shows major brand differences in battery aging rates. Mercedes packs age slowly; Mitsubishi’s degrade faster, even at low mileage. It recommends always doing a battery ...

There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up the best car battery tester and get a readout of what’s going on. Skip the ...

If you’re using a large battery for a specialized purpose—say grid-scale storage or an electric vehicle—then it’s possible to tweak the battery chemistry, provide a little bit of excess capacity, and ...

Buying a refurbished laptop can be a great way to save money, which is why many of us consider doing so. There are many laptops worth buying used or refurbished, but the battery is often one of the ...