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01-16-2019, 07:10 PM
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#1
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New Member
Independence
, Louisiana
Join Date: Oct 2018
Posts: 3
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Solar system not keeping batteries charged
Just purchased a new 2019 International Serenity with factory solar system! The camper is sitting out but not in direct sun! The batteries are not being maintained even though we are not using the camper! Anyone have any suggestions? Thanks
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01-16-2019, 07:30 PM
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#2
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Rivet Master
2019 27' Globetrotter
Salem
, Oregon
Join Date: Nov 2015
Posts: 691
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I would check everything your owners manual has to say about your solar system. I am sure it is fused. Have you taken a volt/ohm meter and checked if you are getting any volts from the panels?
What is the current status of the batteries. Again use a volt meter.
This is just a place to start. Check all connections. Good Luck. Dave
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01-16-2019, 10:39 PM
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#3
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4 Rivet Member
2017 27' International
Lake Havasu City
, Arizona
Join Date: Feb 2017
Posts: 310
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In addition to what NoResults said, consider: solar panels need direct sunlight to work well. Yes, you can get a trickle of power in the shade, but probably not enough to do your batteries much good. Solar = sun. Give your panels sunshine, and they'll do their job.
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01-17-2019, 06:33 AM
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#4
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 19,977
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Welcome Aboard!! 🥂👍
The first thing to do is plug in and completely charge them.👍
Now, go basic...clean the panels, remembering it's Winter and the factory solar leaves a lot on the table.
A more reliable routine is checking the system once a week during Winter storage and do what the results indicate.🤓
Bob
🇺🇸
__________________
"You don't know where you've been until you leave, enjoy life" RLC
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01-17-2019, 09:31 AM
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#5
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Chuck & Molly
2018 30' Classic
Box Elder
, South Dakota
Join Date: May 2016
Posts: 14
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We have a 2018 Classic with factory solar. The OEM solar controller had to be replaced twice (once at our dealer and once at JC) before the system worked reliably.
Chuck
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01-17-2019, 10:15 AM
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#6
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4 Rivet Member
2017 27' International
Lake Havasu City
, Arizona
Join Date: Feb 2017
Posts: 310
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All these suggestions are good ones. But at the risk of beating a dead horse, the original poster said "The camper is sitting out but not in direct sun!" It doesn't matter how clean the panels are, or whether the controller is working perfectly--no sun means little or no power. That issue has to be dealt with first.
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01-17-2019, 12:24 PM
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#7
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 19,977
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Quote:
Originally Posted by Paprika
All these suggestions are good ones. But at the risk of beating a dead horse, the original poster said "The camper is sitting out but not in direct sun!" It doesn't matter how clean the panels are, or whether the controller is working perfectly--no sun means little or no power. That issue has to be dealt with first.
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Thats why you plug it in😏...done & dealt.🤓
Bob
🇺🇸
__________________
"You don't know where you've been until you leave, enjoy life" RLC
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01-17-2019, 12:36 PM
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#8
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Toaster Life
2010 23' International
Tucson
, Arizona
Join Date: Aug 2015
Posts: 245
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The problem with factory mounted panels is that most people want to park in the shade when it is warm, and thus the panels will not be able to function at full capacity. The solution is an additional panel with a long heavy duty copper cable to minimize the loss of power due to the cable length and a little effort to continually adjust the panel so it does receive maximum sun, yes it should have it's own transformer too. Works for us - we often come back to the trailer in the evening to see that some kind neighbour has adjusted the panel while we were away to halp catch more sun! Campers are nice folk.
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01-17-2019, 12:51 PM
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#9
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Rivet Master
1988 32' Excella
Robbinsville
, New Jersey
Join Date: May 2012
Posts: 3,116
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Something that hasn't been mentioned, might be a good idea to get the batteries tested.
I know the OP has a 2019, but if he bought it off the lot the dealer could have killed the batteries before he bought the trailer.
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01-17-2019, 02:56 PM
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#10
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Site Team
2017 30' International
Broomfield
, Colorado
Join Date: Apr 2009
Posts: 3,555
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Solar system not keeping batteries charged
Three options:
1. Move your trailer to a parking spot without cover and with direct sunlight
2. Buy a new portable panel, put that portable in the sun on the ground, and connect to your zamp connector at the battery box.
3. Fully disconnect the batteries when in storage (fully charged of course)
Those are your options.
Like you I park under cover. Despite having 800w of solar I choose option #3. $50 bucks and done using a switch in the battery box. Here is a picture.
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01-17-2019, 05:20 PM
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#11
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4 Rivet Member
2017 25' Flying Cloud
Waco
, Texas
Join Date: May 2017
Posts: 296
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Quote:
Originally Posted by Wazbro
Something that hasn't been mentioned, might be a good idea to get the batteries tested.
I know the OP has a 2019, but if he bought it off the lot the dealer could have killed the batteries before he bought the trailer.
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Exactly. Disconnect your batteries and give them a full 2 day charge. Reconnect and insure your solar panels and controller are showing a full battery charge of 13.6 to 13.8 after hookup. Make sure your solar panels are in direct sun. If having difficulty, use a Zamp portable panel with extension to reach the full sun. If all fails, then fully disconnect batteries for winter storage.
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01-17-2019, 07:48 PM
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#12
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2 Rivet Member
2018 27' Globetrotter
Jacksonville
, Florida
Join Date: May 2018
Posts: 28
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Warranty claim
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01-18-2019, 06:59 AM
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#13
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New Member
Independence
, Louisiana
Join Date: Oct 2018
Posts: 3
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Hi Bob
Quote:
Originally Posted by ROBERT CROSS
Thats why you plug it in😏...done & dealt.🤓
Bob
🇺🇸
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Hi Bob! We just purchased the camper and I wanted to try out the factory system! It has been a rainy/cloudy winter in S Louisiana but I thought it should be able to keep up since we were not using the camper! It was charging .4 amps/hr but the battery draw must be more!
Thanks
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01-18-2019, 08:33 AM
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#14
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 19,977
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Quote:
Originally Posted by AGB54
Hi Bob! We just purchased the camper and I wanted to try out the factory system! It has been a rainy/cloudy winter in S Louisiana but I thought it should be able to keep up since we were not using the camper! It was charging .4 amps/hr but the battery draw must be more!
Thanks
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.4...you nailed it. If you isolate the batteries from the trailer parasitic drain, .4 would be all you need. The other option I used was 'plug&check'.
I upgraded to a lithium system this past year and so far it has been a charge, check and let it be system.
Two and a half months into the storage season, and all is good.
The batteries are in the AS and isolated with a disconnect switch.
POI it's 18* now with a blizzard expected. 🥵
Bob
🇺🇸
__________________
"You don't know where you've been until you leave, enjoy life" RLC
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01-18-2019, 12:34 PM
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#15
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New Member
Independence
, Louisiana
Join Date: Oct 2018
Posts: 3
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Thanks Dave! Think there was just not enough sun to keep the batteries charged!
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01-18-2019, 02:47 PM
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#16
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Rivet Master
2007 30' Classic
KW
, Ontario
Join Date: May 2012
Posts: 993
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Quote:
Originally Posted by AGB54
Thanks Dave! Think there was just not enough sun to keep the batteries charged!
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How much solar do you have. Even with no sunshine you should get something. The only way that your not is if there is something defective or your load is exceeding your solar powers output. I have yet to plug mine in this year or last year since March. It's -10C out and I'm at 100%. The panels are mostly covered in snow at the moment, but there's enough to charge it during the times it's not. I camped 3 weeks in the summer without direct sun on the panels and it was at 100% every day. What kind of equipment do you have? How much current are drawing at the moment? What is the voltage of your system? What are the settings of your charge controller?
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01-18-2019, 03:24 PM
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#17
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 19,977
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What difference a few degrees can make...
22* vs 30*🤔
Bob
🇺🇸
__________________
"You don't know where you've been until you leave, enjoy life" RLC
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01-18-2019, 05:37 PM
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#18
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Rivet Master
2007 30' Classic
KW
, Ontario
Join Date: May 2012
Posts: 993
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Quote:
Originally Posted by ROBERT CROSS
22* vs 30*[emoji848]
Bob
[emoji631]
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Still doesn't mean you have 100%. Did you measure it at the batteries? The voltage seams very low for 100%.
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01-23-2019, 10:44 AM
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#19
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New Member
2008 16' International
Forest Knolls
, California
Join Date: Oct 2016
Posts: 4
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Solar panels in the shade
Solar panels do not have to be in constant direct sunlight in order to keep batteries charged. I have two hundred watts on my roof to power my two six volt batteries. Even when parked in the shade, they recharge enough to carry me through normal use all day. This is plenty for my 16’ Bambi. There must Ben something wrong with your controller. I would have the system checked out. This is not normal.
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01-23-2019, 11:12 AM
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#20
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 19,977
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Quote:
Originally Posted by gator.bigfoot
Still doesn't mean you have 100%. Did you measure it at the batteries? The voltage seams very low for 100%.
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What is the relationship between voltage and SOC in a Lithium battery?
"the Li-ion battery, there is a very small change for voltage between each charging and discharging cycle due to the constant voltage of Li-ion battery, it is difficult to estimate the SoC by using voltage-based method."
That is why I charge at 30%.
Bob
🇺🇸
__________________
"You don't know where you've been until you leave, enjoy life" RLC
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