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Old 03-16-2020, 09:00 PM   #1
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Join Date: Oct 2019
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Add battery voltmeter to control panel

In my Jayco Pinnacle, the factory put in the really worthless battery check that tells me Full, 2/3, 1/3, or Empty. So I ordered a voltage meter with a led read out of the voltage. I installed the display and replaced the switch blank and with a switch which is wired to the battery and meter. When the switch is off the voltage meter does not display anything and when switched on, tells me the battery voltage. A side benefit is since I have solar panels on the RV I can see when the solar controller starts kicking in at times feeding power to the batteries. Itís not fancy, but works great and cost less than $20.
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Old 03-16-2020, 09:04 PM   #2
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Nice setup, I like the idea of shutting it off when you arenít watching it.

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Old 03-16-2020, 09:09 PM   #3
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Great idea. Nice job.
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Old 03-16-2020, 09:58 PM   #4
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I did something exactly the same the other day in my rig. I really didn't like the little red idiot lights telling me battery "level". So, I put in a digital gauge too (in blue LED), with a switch to turn it on/off.

I also, at the same time, put in a 12 volt female cig receptacle, so I could plug 12 volt chargers, my cell booster, or a usb light.

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Old 03-16-2020, 11:00 PM   #5
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Another option is battery monitor BM2 from amazon.

QUICKLYNKS Auto Battery Monitor BM2 Bluetooth 4.0 12V Device Car Battery Tester https://www.amazon.com/dp/B01MT4583U..._7GfCEbD6XA64N

It attached directly to your battery and connects via Bluetooth to your phone. In the morning, I can sync the app and it will actually show me the last 24 hours. I can even see how many times the furnace turned on during the night.
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Old 03-17-2020, 09:56 AM   #6
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My Xantrex Freedom X interior control gives a voltage readout.
Formerly from Sequim, WA
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Old 04-07-2020, 10:44 AM   #7
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I added that on my last trailer. I put 2 of them right on my controller....told me voltage coming from panels and voltage the batteries were at. Loved it!
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Old 04-07-2020, 02:56 PM   #8
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I did the same.
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