Once you have the tool kit, you'll need a replacement battery. Check the model number on your computer and then look up the battery on the manufacturer's website to know which replacement battery ...
If the battery still won't charge, you may need to get a replacement. Why is my laptop saying "no charger detected?" If your laptop isn't charging, it could be having trouble detecting the charger.
If you own a laptop that’s got a few years on the clock, you’ve probably contemplated getting a replacement battery for it. Which means you also know how much legitimate OEM packs cost ...