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Old 10-10-2017, 09:44 AM   #11
Steve/
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I do not have a 5th wheel but battery going flat in a week with only ref on, does not seem right to me and with a 40 watt solar panel the battery should be full at the end of the week with a sunny week.
I agree 2 and 3 amp will drain the battery in a week, but there should not be more then a 1/2 amp draw and that seem way to big. Yes all the thing list above draw current but all combine should be less then 1/2 amp.
Time to go out and get a amp meter and see how much current is be used and what is using it. Let use know what you find.
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Old 10-10-2017, 10:18 AM   #12
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A 40 watt solar panel has an output of 2.4 amps of DC power during peak solar hours, giving from 9 to 17 amps or more in a day. so no a 40 watt solar panel will not keep a battery at full charge with 2 - 3 amp constant draw..

I used 3 amps because with my 5th wheel which has the fridge in the slide also uses a 12V cooling fan... The average draw I see when I happen to look at my gauge is right a 3 amps when I'm in storage with no lights on but the fridge running on propane... This is the reason I pay $10 extra a month for electric... so I can turn off the propane and still run the fridge... in that mode (110) the amp draw is still 3 amps with the fan running and 2 with out the fan..
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Old 10-10-2017, 06:36 PM   #13
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Is it possible to replace the 40w solar panel with a 100w? I think ZAMP or Renogy has a single 100w panel. 100w should provide a 7 amp charge on a sunny day and keep things topped off nicely.
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Old 10-11-2017, 05:39 AM   #14
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are the deep cycle 6v or 12v, if there 12 v you have 210 ah of which 80% roughly is usable, if there 6V you only have 105ah which isn't very much.

Steve
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Old 10-11-2017, 05:54 AM   #15
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Quote:
Originally Posted by Stircrazy View Post
are the deep cycle 6v or 12v, if there 12 v you have 210 ah of which 80% roughly is usable, if there 6V you only have 105ah which isn't very much.

Steve


FIRST post said 2 new batteries at 105Ah each.
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Old 10-11-2017, 06:52 AM   #16
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They are 12V
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Old 10-11-2017, 02:26 PM   #17
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Quote:
Originally Posted by Stircrazy View Post
are the deep cycle 6v or 12v, if there 12 v you have 210 ah of which 80% roughly is usable, if there 6V you only have 105ah which isn't very much.

Steve
My 6V GC2 are 230 AH?

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Old 10-11-2017, 02:28 PM   #18
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Thanks for all the input guys...I am going to check the current draw with a clamp on ammeter this weekend and see what is up
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Old 10-12-2017, 10:17 AM   #19
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Just a "heads up." You're not going to read DC current draw with a clamp-on ammeter. Those work only on AC current.
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Old 10-12-2017, 10:36 AM   #20
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Quote:
Originally Posted by MerlinB View Post
Just a "heads up." You're not going to read DC current draw with a clamp-on ammeter. Those work only on AC current.
Just a note:...


http://www.homedepot.com/p/Extech-In...FUGqaQod6kkHCQ
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