Installation of Victron Battery Monitor
My Roadtrek's original battery configuration was one 12V rated at 90 ampere hours. I found this inadequate when the propane function of my refrigerator went out and I had to run on 12V, while staying in in a state park with no shore tie and very limited hours when generators could be run.

I upgraded the battery to two 6V Golf cart batteries rated at 235 aH. This has proven much better for our typical 2 or 3 days of boondocking.

I also felt battery monitoring would be advisable so I could determine how fast we were depleting and plan charging needs accordingly.

The Victron utilizes a shunt between the 12V system and Battery negative terminal. It allows you to determine current draw of equipment and estimate the amount of time before batteries need external charging. I mounted the shunt in the Roadtrek's "electrical compartment" close to where the negative lead to the battery was located. I put the control interface on the Roadtrek's "Control Center."

The pictures show the basic Victron Monitor, but I subsequently upgraded to the bluetooth model which gives me a full readout on my phone.
Power lead to the Shunt. It does take a very small draw whenever the coach batteries are connected.
Victrol Control Module mounted in RT Control Center
Original configuration of Control Center before installing the Victron
0.1a fuse. I elected to instal a mounted fuse block in lieu of the in line fuse holder provided with the unit
Shunt installation

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