Would a MPPT 150/35 for 48v still need / use 3 x Battery Balancer

CATL backed UZ Energy 5kWh LiFePO4 Module (L051100-A) - Solar Battery Store

Balancing 4 x 48V - Victron Community

How many 200 Ah batteries can MPPT 150/35 can handle? - Victron Community