BMS 2nd cable only works with particular MPP Solar inverters which support BMS of particular Pylontech batteries, View BMS cable, Product Details from MPPSOLAR INC. on Alibaba.com
Kabel VE.Can <-> CAN-bus BMS type B Smart Energy Shop - Specialist in Victron Energy and Fischer Panda hybrid energy
123/Smart BMS naar USB kabel
Victron VE.Can Naar CAN-bus BMS Kabel - BootPlus.nl
10S 36V 30A Li-ion-cel 18650 Batterijbescherming BMS-printplaat met kabel- en balans-overstroombeveiliging voor elektrische apparaten in de auto skateboard omvormer : Amazon.nl: Elektronica
DALY Lithium Battery Protection Board BMS Cable for DALY BMS 3S-20S AUS | eBay