The replace battery button has been changed, and it isn't set to any particular button. You'll have to go through your settings and set that button yourself.
Options > Contoller > Reload (Set reload to something. In my case, Down on the D-Pad isn't used for anything, so it is perfect)
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Options > Contoller > Reload (Set reload to something. In my case, Down on the D-Pad isn't used for anything, so it is perfect)