EMTB 52 V battery on the frame or in the back pack

I have been riding my Radon Swoop 170, fitted with the Bafang BBSHD 1700W motor with the 15aH 52V battery in my backpack. I have reinforced it with the motorcycle back protector. While I enjoyed the bike being lighter at the moment, I did not feel very For the tension of the cable, I have used cable management system from my Virtual Reality setup in the room