I purchased the BMV-712 to monitor my batteries because I was not satisfied with the limited information I got from my Charge controller, as it only shows input from Solar, not from Shore power or 7-Pin connector from tow vehicle, and I had no idea how many Amps I was consuming. When I installed the BMV-712 Monitor I found that it consistently shows about half of the Amps input from Solar than does the Charge Controller. I even changed my charge controller from a Renogy brand to an MPPT from Victron, thinking that maybe the Renogy was of bad quality and it was not correct... only to find the exact same problem. The Monitor shows approximately half the Amps input from Solar that two different charge controllers do. I followed the recommended settings from the manual using the app, and the shunt was installed per directions. I don't know what is going on.