Suggestions for monitoring a dual-battery system in trailer

loren85022

Explorer
I'm finally adding a 12v refrigerator to our trailer. Thus far I had plenty of juice from my two batteries to run a water pump and a few LED lights for 7 nights. I better pay better attention now and am curious what people are using to stay on top of the consumption.

I'm looking at the National Luna Dual Monitor as an option. Seems pretty simple.

Dualmonitors_sm.jpg

Thanks,
 

BrianTN

Adventurer
Can't help with monitoring in a trailer, but I have that monitor in my truck. Overall I am happy with it and it is simple to setup, but the connector for the monitor itself is very loose. If the cord is bumped the battery voltages jump around and it sounds the alarm for a second. I emailed NL about it but received no reply.
 

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