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Old 09-27-2012, 08:35 PM   #1
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Solar panel question/thoughts

I put a little solar panel on just to keep batteries maintaned, after checking several times(with solor unplugged) seems to be holding at 12.2-12.3vt and the indicator lights stay at "good" not "full"
The question: is this good for the batteries or should I still plug in(A/C) and top them of occationaly?
I will always pug in(A/C) for several days before a trip mostly for the fridge but tops off the batteries too. With winter coming I am about to store the TT and I usualy plug it in several times before April but am thinking I shouldn't have to.
Any thoughts, plug in occationaly or just leave the solar?
I guess I am worried about "battery memory" and dont know enough not to worry.

Thanks
John
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Old 09-27-2012, 08:54 PM   #2
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Does the "little solar panel" have a charge controller wired with it? If it does, great--you can leave the panel hooked to the battery, with the battery cutoff in the "off" position, and it should do a fairly good job of keeping your battery charged up during storage time. It's probably a good idea to turn the cutoff back on after a week, go inside and check the battery indicator to see what's up, and check the battery with a good voltmeter too. If it seems to be full, turn the cutoff back to "off" and go have a beer.

Now, if the panel does not have a charge controller, you could actually overcharge your battery--the controller turns the current flow off when the battery is full to keep it from overcharging and damaging the battery. So in the case of "no controller," I'd only leave the panel on for short periods and keep a closer eye on your charge/voltage level.
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Old 09-28-2012, 02:12 PM   #3
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Thanks for that
I do not have a controler hooked up with it now, but I do have a controler with a larger 80watt panel maybe it would work with the little panel. I'll read the little panel box, I know it had a diode built in.
Thanks, I knew I was forgetting something....
John
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