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Old 09-15-2016, 04:00 PM   #1
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top off house battery

Greetings! Purchased inexpensive solar top off from Camping World. For when my Greyhawk is in storage. Cig lighter plug and lay panel on dash. Will this require me to leave battery disconnect on? $35 dollar solar top off. Just had new interstate deep cycle put in. Don't want to bleed it in case this solar charger is not good.
Thanks in advance! Mark
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Old 09-15-2016, 04:50 PM   #2
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You will need to make sure that all your RV's electronics (CO alarm, radio circuit, fridge....) are ALL disconnected when you put it in storage. That 5 watts of charging power will only help if all are disconnected, the battery is FULLY charged and the sun is shining REAL bright. That 5 watts equates to .4 amps, so all the above have to be in place. If the battery is not fully charged odds are it will not be enough to put any charge back into it.

Be careful, as some of these inexpensive SOLAR panels do not have a charge controller and or a blocking diode so it is possible that when the sun goes down the panels become a load on the battery. I did not see any thing listed on the website. I doubt that a .4 amp would cause the battery to over charge, but you never know.

Don
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Old 09-15-2016, 04:52 PM   #3
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It has to be at least a 25 watt panel. It will keep your batteries topped but it will not do maintenance. There's another tool for that. I have it in the shop and will mentioned and put it in this tread.
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