Balance Left to Right?

So on my build, I have a microwave, air conditioner, port-a-potty, storage cabinet, and RV power converter on the left. On the right I have the door and a thermoelectic refrigerator. I am deciding where to put the battery. It would be much easier to mount it on the left (same cabinet as the RC power converter) but something tells me I should put it on the right to help balance things out left to right. Will it matter?