it would be good to remember that these LiPo RV batteries are just a box with a number of little cells arranged in packs , and most likely with the charge control boards inside and attached to the cells
i've looked at the Prius cell replacement and battery exchange videos on the youtube and other places
the DIY EV movement buys these takes them apart test the cells and reassemble them in configurations they can use
the guy i bought my surplus AGMs from has two cars one truck and two electric motorcyles, one car was factory made, i think it was an electric Fiat
the other vehicles were conversions, he did the VW truck and one MC, he bought the VW rabbit not running but already converted to FLA, he is converting to LiPo
he showed me the installed bank with all the little charge control boards on each cell pack, and pointed out the weak cells he needed to replace
this tech is NOT yet plug and play, its more like "Tinker & Pray"
not saying you can't buy LiPo boxed and ready to go..you can, but its expensive
and when an internal cell pack gets weak, its replace the whole thing,
or learn a whole lot about LiPo internals and how to do it safely