First 16 cell Battery Build

[guidecca]

I am modeling my battery after the 8S 24V block setup except I will have two 8S blocks in two steel boxes with two 8S 24V 100A OverKill BMS's. I'm hoping to create a 8S2P configuration. I'm not sure how to wire the two boxes together. If you wire up two 8S packs, each with their own BMS how do you run them in parallel?

 

[Samsonite801]

I'm not sure how to wire the two boxes together. If you wire up two 8S packs, each with their own BMS how do you run them in parallel?

Bus bars. Breaker on each battery pack on the positive leads (sized for wire size going from each battery pack to bus bar), Class-T fuse on the positive bus bar wire going to the loads side (sized for total max power of the big wire going from bus bar to loads/inverter).

Here's an example of mine (I also have 2 negative bus bars, one before Victron BMV shunt and one after shunt: