I manufactured one for myself, thanks to the schematics above. For the moment I have only 8 US3000 batteries, but I will add another 4 plus a LV Hub, so I will end up with 2 separate banks of 6 batteries. I assume that there is no solution to monitor all connected banks with one cable, but each bank itself...so either you just move the cable from bank to another, or you have one cable per bank. Correct?