I am looking for 4 battery modules CATL 1P6S 22V.

OK, time for a battery upgrade. But you haven't started on this one yet! I know, but I couldn't resist. 18 off CALB modules, 6S1P, ~112Ah, 12.35Kg 355mm long, 152mm wide, 115mm tall. I am after 4 modules of these same batteries. Where did you source yours? Have you got any left from your project? C...