I don't see any issue. It's not error message, probably you've been using chrome for longer period and the OS thinks it is draining your battery. You can choose to ignore it if you want to continue your work on Chrome, or kill the app.
not long time using just for 10 minutes only
Drop Chrome and go for Kiwi Browser.
Présentation d'une nouvelle série de smartphones OnePlus
by Vito B., 2020-06-23