If your laptop’s battery doesn't last nearly as long as it first did out of the box, then it might be time to replace it. The lithium-ion batteries used to power most laptops degrade over time with an ...

Once upon a time, computers were gigantic installations that filled up several rooms, and scientists thought computers would only get larger from there. Instead, computers shrank. Yes, gigantic ...

Adding more memory or storage, or swapping in a new battery or wireless card, can help squeeze a few more years out of that aging laptop. Here's how to figure out what you can upgrade, and how to do ...

Lithium-ion batteries have terrific properties that have caused a revolution in everything from tiny flashlights to Ford trucks. Yes, you have to take them seriously if they show any sign of having a ...

Are you worried that your battery is starting to die and may need to be replaced? Are you looking for a used laptop and want to make sure that the battery is in reasonable condition before you buy?