How to determine what power supply my laptop needs?

Hi. The power supply of one of my laptops literally melted a couple months ago, and I threw it away without finding out what it was exactly, should I need a replacement, which I do now. So basically, I'm wondering how I might go about finding out the type/model of the power supply I need. Does it depend on... show more Hi. The power supply of one of my laptops literally melted a couple months ago, and I threw it away without finding out what it was exactly, should I need a replacement, which I do now. So basically, I'm wondering how I might go about finding out the type/model of the power supply I need.

Does it depend on the model of my laptop, my battery, etc.?

Thank you very much in advance.
4 answers 4