If you depend on your laptop at work or school without access to an outlet, you dont want to end up in these situations without some warning. So a decent way to check is by running the battery test in Windows. It requires Windows PowerShell or, if youre still using the legacy program, Command Prompt, with the Run as Administrator option — thankfully, this process doesnt take long, and it doesnt require much knowledge of command lines to make full use of it. Plus, you can also cross check with...
