Newer Hub - BMS Connector

So, does anyone know what plugs into the BMS connector on the newer (green) hubs? I assume it is a stand-alone monitor.

Surely it can’t be the balancing connector of one of the batteries…

Anyone have an idea?

The latest batch was supposed to have a BMS option as an add on but I don’t think that project ever got finished. All it was supposed to do is monitor the cell voltage and would require additional hardware connected to each battery pack. Without the additional hardware the connector on the hub doesn’t do anything.

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Thanks for the info.