Hello , good day to you
We reviewed the Hotspot connectifiy in post recently and we gave it the thumbs up , but if you notice that your battery is acting weird you might suspect it the first thing .

As we saw in this post about the Energy Management the only thing added to my Laptop before the problem happened.
It may cause the Please consider to change your laptop battery on older models . 
So my tech tip will be to try it after setting a System restore point, if you notice any change in performance , and restore your system immediately .
It’s a good software , but your hardware is more important .
Thanks for reading , comments below please .