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Old 04-09-2019, 04:28 PM   #61
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Originally Posted by Papadave View Post
Generator for quick charge then solar for topping off. Disconnect the coach wiring if possible when not around. Lots of parasitic drain even when you are not actively using stuff. Solar will get you to 13.5.
A fully charged battery is 12.7 to 12.8.
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Old 04-09-2019, 04:54 PM   #62
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I stand corrected....but

With the solar panel on it reads 13.5 ahead of the regulator once float charge is reached. Just a nice number to see at a glance when it starts to get dark.
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Old 04-09-2019, 05:17 PM   #63
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A fully charged battery is 12.7 to 12.8.

After being "fully" disconnected for 4 hours.


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Old 04-09-2019, 05:24 PM   #64
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I just have one 12v. and gas fridge.... I just read somewhere in here something that made me think my gererator running (normally 4 hrs a day or so) might not be fully charging my battery? I then read for the first time that I should never let charge go below 50%. Well I have let it go to about 1/3 several times over the past 2 years owning. I did have to replace the factory battery right w/in first 4-6 months. Notived that my indicator this past weekend never indicated full 100% charge.
Jared does a excellent job explaining:
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Old 04-09-2019, 06:18 PM   #65
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If batteries are AGM this can be installed near them and you will know stress free on your phone where you are. Don't even tell me you don't have a smart phone.

Victron BMV712 Bluetooth with temp sense.

You will need an additional heavy gauge negative battery cable such as this.

What's wrong with geeking out a bit? Your not in a tent with no modern accessories. How much money did your camper cost over a tent?

- Jeff
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Old 04-09-2019, 06:31 PM   #66
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If batteries are AGM this can be installed near them and you will know stress free on your phone where you are. Don't even tell me you don't have a smart phone.

Victron BMV712 Bluetooth with temp sense.

You will need an additional heavy gauge negative battery cable such as this.

What's wrong with geeking out a bit? Your not in a tent with no modern accessories. How much money did your camper cost over a tent?

- Jeff
Those are great no matter what type of battery you have. Also great for determining what is drawing current in your RV. Makes it easy to trace down phantom draws.

Also, if you use a Victron solar controller, this monitor allows you to share its data with the controller so that you now have remote voltage sensing for your controller.
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Old 04-09-2019, 06:46 PM   #67
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X3.

Surprised people have time to camp worrying about their batteries and flushing out their black tanks.

I just think about "back in the day" abuse we did to the batteries. The lights got awfully dim and the tube TV screen kept getting smaller. We still had fun though.
"Back in the day" the standard RV battery was the same battery used in cars for starting. You could buy one for $20 with "Reconditioned" batteries almost half that. Run 'em until a match put out more light than a battery powered bulb and charge em back up. Next season started with a new battery.

Batteries are better built and a lot more expensive today. Pays to pay attention to all the details we didn't even know about "back in the day".
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Old 04-09-2019, 08:43 PM   #68
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Battery charging from 2000 W generator

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Originally Posted by unyalli View Post
If batteries are AGM this can be installed near them and you will know stress free on your phone where you are. Don't even tell me you don't have a smart phone.

Victron BMV712 Bluetooth with temp sense.

You will need an additional heavy gauge negative battery cable such as this.

What's wrong with geeking out a bit? Your not in a tent with no modern accessories. How much money did your camper cost over a tent?

- Jeff


A few inches of 3/4” solder bonded copper water pipe works well too and it provides a solid mount for the shunt.[ATTACH]
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