Awesome info. Would I be able to buy and drop in the Victron batteries for an easy swap out or are the other components you mentioned required with the Victron batteries for charging and protection purposes?
The other Victron components are needed because they are not within the Victron batteries themselves. That is how the Victron batteries can be so compact. Sensors and communication board are still inside the batteries, but the main components are outside of the battery (main BMS, a Battery Protect for charge disconnect, a Battery Protect for load disconnect are external components and all are needed). But the good thing is those three items cover you whether you have one Victron battery or many (up to four in the case of Flagship). There are communication cables than run between the batteries and BMS. The BMS, in turn, connects and communicates with Battery Protect disconnects (one on charge side and one on load side) to disconnect current from charge sources and disconnect current to a load.
In my opinion, it is a bit complicated to retrofit/wire for the needed components after the fact, but it's doable. There are other brand batteries on the market that are more compact, and so can fit more capacity in the same footprint as the BattleBorn, so those are options to boost available amp hours in the same footprint as the BattleBorn batteries without needing external BMS and disconnects like is required for the Victron batteries, but none as small/dense as the Victron simply because those components are not internal and not repeated in each battery. The Victron batteries also don't have internal heat, so if heat is desired, that is an external, add-on solution.
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