Smart Battery Case?

[nephron8]

would 11 pro max battery case fit xs max?

i used my iphone 7 case for iphone 6s and then iphone 8 also.

 

[Rorosbutt]

would 11 pro max battery case fit xs max?

i used my iphone 7 case for iphone 6s and then iphone 8 also.

I doubt it. Even if it fits. It won’t work. I tried iPhone 11 case with my 12 pro and it fit (with some extra room on sides) but it never charged the phone.