In my boat, I have a BMV-712 connected to a house bank, and to a start battery using the aux. The BMV is connected to my Cerbo GX, where I can read the voltage on both banks. I have a second separate starter battery which I also would like to see the voltage on the Cerbo. I know I can buy a second BMV or a SmartShunt, and connect it to the Cerbo’s USB, but I do not need all the functionality like consumption etc, so a simple voltage reader would be enough and cheaper. Is this possible?
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