Active balancer control via Victron MPPT or BMV712?

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Jun 5, 2022
Yes, so considering Off Grid Garage Andy's latest video yesterday about the new Muller BMS setup, I would like to ask something along the same lines.

I have an active balancer for a 4S 200 amp Hr. LiFePO4 battery pack, said balancer has the facility for an activation switch (as shown in the video), so as I don't want to buy a new BMS, can anyone advise how I could used either my Bluesmart 75/15 MPPT regulator or the (networked) BMV712, to control the balancer?

I would like it to switch on when the battery is fully charged as shown, and I would be interested to know what happens when it is actually balanced?

Any suggestion welcomed.