JK BMS RS485 USB Cable

Read cell voltages, temperatures and state of charge from a JK BMS locally, using ESPHome, Home Assistant or your own software.

• Should fit JK-PB series BMS units with an RJ45 RS485 port
• Wired to pin 2 (A+), pin 1 (B-) and pin 6 (ground). Pins 3 to 5 are not connected
• Set each BMS address with its DIP switches if you have several packs

Brand names are trademarks of their respective owners and are used only to describe compatibility. InverterMan is not affiliated with or endorsed by any manufacturer. Check your inverter manual for the port and pin layout before connecting, and isolate the inverter before opening any cover. Ask us if unsure.