An Electric Scooter Community on a Mission to Stamp out Transportation Mediocrity.
If you want to use multiple batteries as a powerwall it can get very tricky. The BMS charges without an activation, but you can only decharge it when it is receiving the unlocking message which I am still not able to get. The problem there is that the flow of the activated battery will charge the other batteries. As the voltage decreases in a battery it can even harm the other batteries, when they have a higher voltage than the active one. If you don't want to cut them open you probably have to build a system out of relays which put the inactive batteries off your "grid". I also do not know how the BMS reacts when it is activated and charged at the same time. It could work.. or it's blowing up.
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