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06-15-2019, 01:55 PM
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#1
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Senior Member
Join Date: Jul 2012
Location: Burlington, Vermont
Trailer: 2014 17b/ 2012 Chevy Colorado
Posts: 736
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Batteries overcharging when on shore power
Plugged in and found that our batteries charged up over 15 volts so we disconnected and headed to a dealer in Salt Lake who told us everything was fine. Called Go Power who said because the charge returned to normal range when we unplugged, it was probably a faulty converter. We are getting by now by activating the battery disconnect switch prior to hooking up to shore power. The converter appears to be supplying appropriate 12v to the systems requiring that voltage while giving us what appears to be ok 110v power. Thoughts?
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06-15-2019, 03:22 PM
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#2
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Site Team
Join Date: Dec 2017
Location: Mid Left Coast, California
Trailer: 2014 Escape 21
Posts: 5,122
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the converter doesn't supply 110V, that comes from the shore power (unless ou have an inverter and are using it). the converter takes the 110V shore power, and generates battery charging and system voltage, which is typically around 13.6-14.4V
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06-15-2019, 03:29 PM
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#3
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Senior Member
Join Date: Nov 2008
Location: Janesville, WI, Wisconsin
Trailer: Escape 19 (sold) Escape 21 2014
Posts: 1,879
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How are you taking measurements?
If you have the dual 6 volt Interstate batteries the recommended charge rate is 15.4 volts.
You mention shore power, the WFCO seems to peak out at 13.8 volts. I doubt it is that, unless it has failed.
Then you mention the GoPower, which is solar, that has an adjustable charge voltage so it could be any number within its range.
Provide more information on the products you are using.
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06-15-2019, 05:54 PM
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#4
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Senior Member
Join Date: Jul 2012
Location: Burlington, Vermont
Trailer: 2014 17b/ 2012 Chevy Colorado
Posts: 736
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Quote:
Originally Posted by fudge_brownie
How are you taking measurements?
If you have the dual 6 volt Interstate batteries the recommended charge rate is 15.4 volts.
You mention shore power, the WFCO seems to peak out at 13.8 volts. I doubt it is that, unless it has failed.
Then you mention the GoPower, which is solar, that has an adjustable charge voltage so it could be any number within its range.
Provide more information on the products you are using.
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I didn't think the charge rate was that high. Interesting. The "measurements" we are taking is from the 160w Go Power panel. I think that reading is the actual charge on the batteries, not thc charge rate, correct? Graduated from Beloit in 73, BTW (In Philosophy not hard science as you may have surmised)
Thanks for your response.
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06-15-2019, 06:14 PM
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#5
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Senior Member
Join Date: Nov 2008
Location: Janesville, WI, Wisconsin
Trailer: Escape 19 (sold) Escape 21 2014
Posts: 1,879
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Beloit has changed, I think dramatically, since your days. All for the good. Having ABC Supply based in the city and one of the richest women in the US, Diane Hendricks, has brought new lodging and dining. It is our go to place for good eating.
I would guess that the GoPower is displaying the power currently being applied to the batteries, assuming the solar panels are in the sun and operable. Once the sun goes down the display voltage should drop, the time to get the proper measurement would be in the morning before the sun comes out. Full batteries would display 12.73. For a table of lesser voltages Google "Interstate State of Charge".
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Paul and Janet Braun
2003 Toyota 4Runner V8 now 2012 Toyota Sequoia V8
Escape 19' 2010 now 2014 Escape 21'
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