Battery light problem

So we need to do two things. First test the battery but I would not put a new battery on it unless the alternator passes a test as well. Most parts stores can do these tests for free.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

https://www.2carpros.com/articles/car-battery-load-test

Let's do these tests and go from there. Thanks