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Old 10-01-2014, 10:52 AM   #1
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Join Date: Feb 2013
Location: plymouth ma
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solar power

I was given a 2watt solar battery maintainer as a gift. can i plug this into my lighter on the coach side without any damage to other parts? My friend uses it to maintain his batteries in a travel trailer. i want to do the same during winter storage The box shows a class c on the front, never used one before.i believe it came from camping world My coach is a 3050s 2013 thanks keep on camping oldnewguy
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Old 10-01-2014, 11:13 AM   #2
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No problem... this is extremely minimal charging. In Massachusetts, I would suggest that before winter storage you first FULLY charge all your batteries AND take an amp meter reading with everything turned off...so you understand the parasitic loads. You may find they exceed the approximately ONE amp hour a day you will be putting back into your batteries on a SUNNY day!
You should disconnect the negative terminal of your batteries after fully charging. Then you will have no losses except a very small self discharge rate that ALONE will still leave your batteries 70% or more charged after 3 months of storage. And you will be protected from sub zero freezing temps. THEN you can attach the solar device to the battery terminals directly (since the cig lighter will not work) if you want to further protect them.
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