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 ...

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 ...

Replace your battery—if you can—if you see its capacity drop too low. Manufacturers test their computer batteries to last up to three to four years, while an iPhone battery is meant to retain up to 80 ...