2 layers50.3 × 54 mm

JK BMS CAN
dremeier/Arduino-JK-BMS-To-Pylontech-CAN-PCB
PCB and Case for the Arduino JK-BMS To Pylontech CAN converter
66 parts9
KiCad boards from 1 GitHub repository tagged “jk-bms”, the most starred first; open any of them in PCBKit.

dremeier/Arduino-JK-BMS-To-Pylontech-CAN-PCB
PCB and Case for the Arduino JK-BMS To Pylontech CAN converter