Update] "Battery Monitor" from the App Store is a 4.6 star malware that will give you pop-up ads. Found out with a little trick from u/barthrh. I confirmed by quitting the app
coconutBattery 3.9 - by coconut-flavour.com
The Best Mac System Monitor Apps | TheSweetBits
battery-monitor · GitHub Topics · GitHub
Battery Monitor review: Keep tabs on the things draining your Mac | Macworld