These modules originate from Volvo V60/others hybrid battery packs.

Thread with some more info:

Technical data as per original
37V 30Ah
2 temp sensors
Water cooling plates between cells.

BMS cabling is bought from aliexpress, molex microfit that i´ll ship with each module.

I also have a complete pack with 10 of these modules and all other battery pack contents. 20k kms on that pack.

/ Victor