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Old 02-18-2014, 03:39 PM   #1
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solar question

I see there are dozens of aftermarket solar battery charges available. I assume they have to be connected directly to the battery. Has anyone had any experience with any of them? If I ordered a 12v outlet on the trailer's exterior, couldn't I use that to plug in on of these RV chargers? Would that work?

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Harris
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Old 02-18-2014, 03:48 PM   #2
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Harris - there is a lot of discussion on portable chargers here Portable Solar and Monitor Location

(Maybe more than you'll want! LOL)
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Old 02-18-2014, 04:56 PM   #3
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In addition, if you get the front tool box, the battery is located there for easy solar hook up.
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Old 02-18-2014, 06:40 PM   #4
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One minor point with portable solar. If you plan to install a battery monitor such as a TM2025, you need to connect the portable controller to the input side of the monitor. Connecting it directly to the battery will work, but since the charge current won't be going through the monitor, your amp hour figures will be incorrect.
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Old 02-18-2014, 07:00 PM   #5
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I know I just don't get it but...
The Coleman 40W portable solar panel I have has a controller. Says it has overcharge protection, and at only 40W that's not likely anyway. So, I just planned to connect it to the battery terminals and forget it. Later I'll just use my voltmeter to see if I got any charge.
If I have to, I'll fire up the Honda EU1000i. I'm hoping I can reduce generator use.
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Old 02-18-2014, 07:27 PM   #6
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Quote:
Originally Posted by Ellentob View Post
I see there are dozens of aftermarket solar battery charges available. I assume they have to be connected directly to the battery. Has anyone had any experience with any of them? If I ordered a 12v outlet on the trailer's exterior, couldn't I use that to plug in on of these RV chargers? Would that work?

Thanks,

Harris
Harris
As far as I can tell, you'd need to figure out the voltage drop from the array to the battery. You'll also have to check the fuse.
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Old 02-18-2014, 10:23 PM   #7
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Quote:
Originally Posted by gbaglo View Post
I know I just don't get it but...
The Coleman 40W portable solar panel I have has a controller. Says it has overcharge protection, and at only 40W that's not likely anyway. So, I just planned to connect it to the battery terminals and forget it. Later I'll just use my voltmeter to see if I got any charge.
If I have to, I'll fire up the Honda EU1000i. I'm hoping I can reduce generator use.
SHOCKING You mentioned using a a generator ... Sorry had to since there are some strong feelings for and against usage of one. :}


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Old 02-18-2014, 10:35 PM   #8
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One who is against sleeps in the same bed as me. And I was only running it 45 min to an hour in the morning to top up my battery.
So, I shall give this solar a chance. But, I'm bringing the genset.
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Old 02-22-2014, 12:23 PM   #9
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It looks like the 12v battery on the 19 is mounted on the tongue behind the propane tanks. That would make clipping a solar charger directly to the battery a snap. It looks like recharging during the day will extend the time off grid as well as keeping the charge up when in storage. ETI will install an exterior 12v outlet near the front and use a heavier gauge wire for $100. I guess that would be neater than alligator clips but would it work as well for recharging?
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Old 02-22-2014, 12:44 PM   #10
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I'd skip the outlet and hook directly to the battery, anytime you can eliminate wire length with 12v and solar you are better off, don't forget your controller though.
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