Is there a market for replacing battery packs of PHEV cars? The latest Passat GTE apparently has a 33% bigger capacity in the same volume. I would love to have

Is there a market for replacing battery packs of PHEV cars? The latest Passat GTE apparently has a 33% bigger capacity in the same volume. I would love to have more electric range in the same car. I am very hesitant though because automotive parts have to be resistant to higher stresses that consumer electronics like laptops.