Motor test

How I check battery in working condition?
![image](https://user-images.githubusercontent.com/131450380/233841293-1193f6a6-6b92-45fd-b244-a331ae5b22a9.jpeg)![image](https://user-images.githubusercontent.com/131450380/233841294-78465a80-6eb3-49ce-8c0c-d7d2f5448e85.jpeg)