How long will your laptop battery last? Your Windows laptop will give you an estimate but how accurate is that information?
How long does your laptop battery really last?
Laptop Battery Needs Replacing: Help!
What if your computer keeps telling you that your battery is no longer useful and needs to be replaced? Mine does that every day, but I can't afford a new one. Answer: Contacting the manufacturer for a replacement can cost hundreds of dollars. I've got some good news: you can probably find one for a lot cheaper.