Battery reader recessed

I just super glued the backplate to one side of the blaster, inserted the battery reader, then slipped on and glued the front plate to the other side of the blaster.

There is a 2mm and 4mm recess, these will determine how far out the screen is recessed, with my nerf raven I use the 2mm recess(less recessed then the 4mm recess).

I used this battery reader: https://outofdarts.com/products/lipo-battery-indicator-2s-or-3s-cell-count?variant=13411693035562