FWIW I now have this working with my dumb UPS and my Windows 10 laptop. only issue is I am still unable to send notifications such as onbattery, offbattery, but get an update every 10 (user adjustable) minutes.
You must have a method to run a PHP script. I've run a WAMP server for years for my website development and testing, so that helped. Should you get beyond that hurdle, the remainder or the info is at the following:
