laptop batteries

I sometimes replace batteries in laptops. I wonder if anyone may suggest how to find the right battery, so that I don't end up ordering the wrong one from ebay or other third-party suppliers (as original parts are usually expensive, if at all available, although I know originals are much...

When I boot the laptop it shows 0% plugged in only like below image It is like this for a week now after I started using this laptop. This laptop has not been powered on for like a month. Here is the battery report from windows. Do you guys think it could be BIOS related issue since the...

Dear Community, I would like to ask whether anyone has any experience or knowledge of rebuilding battery packs because my laptop's battery is just not as it used to and this is something I came across when searching for a new battery. In my opinion, replacement batteries are overpriced and are...