This isnt another, Batman is better that Superman, so lets be objective, as powerfull as Superman is, he has as much PIS as Batman.
So without all the PIS, how powerfull batman needs to be to beat Superman.
Lets talk in numbers 100% = Superman power level, so it means he needs to have the same power to beat him.
This is a question i make to the Batman fans, because well Superman fans dont take that well ideas like, Superman can not do everything all the time and be perfect.
I am no shitting on Superman is just a question.