Can we buy the 485 cable or do we need to make one up?
You can get it here:
7.0US $ |Rs485 Communication Box For Jk Bms - Battery Accessories & Charger Accessories - AliExpress
Smarter Shopping, Better Living! Aliexpress.com
www.aliexpress.com
You also need something like this:
DSD Tech SH U10 USB to RS485 Converter CP2102 Chip Supports Windows 7, 8, 10, Linux, MAC OS: Amazon.de: Computer & Accessories
DSD Tech SH U10 USB to RS485 Converter CP2102 Chip Supports Windows 7, 8, 10, Linux, MAC OS: Amazon.de: Computer & Accessories
www.amazon.de