Solar charging and battery monitoring question

Midnite Solar "The Kid" for your solar charge controller.
Most advanced solar controller for the price out there.

With the Wizbang Jr NO ONE gives you what the kid does. Actual ending amps.
Midnite Solar Wizbang Jr

To use the Wizbang Jr you will need a shunt.

Last but not least no matter what controller you decide on battery temp monitoring is critical.
Midnite Solar Battery Temp Sensor

- Jeff