Fitment of the mats/plate. The mats fit perfect, but the plate frame doesn’t. The bottom of the plate sits on top of the black diffuser of the bumper. Still works but not 100%
I just got a super cheap one from a basic hardware store. Works excellent even when the temp drops to -40C
https://www.princessauto.com/en/detail/12v-automatic-float-charger/A-p8729188e