the short question is: is it allowed to use in one system multiple VE.Bus BMS?
My Plan is: One VE.Bus BMS is connected to a single 25,6V 200Ah Smart Batteries, and this I have 6x. So in total 6 BMS systems and 6 Batteries. All 6 BMS Systems are connected with Ve.Bus. The Relay for the Load disconnect in case of a low voltage I want to install on each batterie, so the batterie can disconnect from the system and not the load! Will this work? How this Bank will then displayed on the Color Control GX?
We are building boats with an AGM bank and I want to change this to LiFePO4 Batteries. The reason why I didn't do this was, because I don't like the logic of the Victron BMS system. I checked a lot Victron battery circuit suggestion and the logic was to be able to shut of the charge sources with a signal and the loads with a relay. Other manufacturers separate the battery from the system with a relay, which I like more because one bad batterie doesn't turn off the hole system.
The system now:
- Battery Bank: 24V AGM 14 x Victron 12V 200Ah
- Inverter: Quattro8000VA
- Charger: Skilla-i 24/100
- Alternator 2x 110A
- Display: Cerbo GX with Touch GX
- DC Loads 7x 300A to 600A each!
When I have to follow the Victron circuit suggestion for the Smart LiFePo4 Batterie, I have to use to each load a separate big relay, but for this I don't have the space! So I want to put the Relay on the Batterie, this means the batterie is disconnecting from the Batterie Bank, not the loads.
If this is not possible, do you have other ideas? I Could use the Victron 25,6/50 Super Pack with a build in BMS, but to reach 30kWh I need 30 batteries and for this I don't have the space.