Loss of Battery Voltage on 2018 Coleman Light - Dutchmen Owners

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Old 10-12-2018, 04:39 PM   #1
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Angry Loss of Battery Voltage on 2018 Coleman Light

Is the battery supposed to go dead in 1 week??? When not in use I don't keep it plugged in, but should I have to? I've been to the dealer 4 times since I bought it new in April and they have supposedly "found" something each time to supposedly correct the voltage loss, but the problem persists. This last time they simply said to disconnect the battery, that it is normal for the deep-cycle battery to drop from 12 volts to 3 volts in that short of time. Does anyone else have this problem? Does everyone disconnect their battery or keep it plugged in in-between camping trips? My car can sit for weeks without any loss of power and it has many memories and computers it has to maintain. I'm very frustrated to say the least! Don't know where to turn to next.
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Old 10-12-2018, 05:36 PM   #2
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For one thing, if you have the Interstate battery that comes with the RVs it isn't a true deep cycle battery.

You will lose some voltage due to parasitic draw from the propane detector located near the floor. No telling what else is drawing down the battery in your 2018 but something is.
There may be a battery cut off switch in your RV, if not it would be a good idea to install one. If you have a factory installed switch the propane detector will be by passed and will still draw some power even with the switch off.
The battery may simply be bad. The dealer probably charged it to find the mystery problem but didn't think about putting a load on it to see if it is good.
You can have the battery checked, if bad replace it with real deep cycle batteries or battery.
You can have someone with a VOM check to see how much current is coming out of the battery when it's in its static state. Shouldn't be anything but the detector drawing on the battery when it's static.
If the draw is excessive there is something killing the battery, deeper diagnosis is needed in this case. There is a quick way to determine if an excessive draw is on the battery, not the safest method but it will give an indication.
My money says it's a crappy battery.
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Old 10-12-2018, 06:03 PM   #3
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There are so many items in your RV that require VAMPIRE POWER. stuff like LP alarms, your radio, your TV, the inverter, the console for _____ , those things add up, etc. There were so many I finally added solar so it would maintain the battery, now I'm fine, right as rain, okie dokie, etc.

PS: Your car only has a couple of things that drain the battery at any one time, the alarm system, the radio clock... My Ford Taurus would have a dead battery whenever I left for two weeks or so.
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Old 10-12-2018, 06:15 PM   #4
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Quote:
Originally Posted by SteveW View Post
Is the battery supposed to go dead in 1 week??? When not in use I don't keep it plugged in, but should I have to? I've been to the dealer 4 times since I bought it new in April and they have supposedly "found" something each time to supposedly correct the voltage loss, but the problem persists. This last time they simply said to disconnect the battery, that it is normal for the deep-cycle battery to drop from 12 volts to 3 volts in that short of time. Does anyone else have this problem? Does everyone disconnect their battery or keep it plugged in in-between camping trips? My car can sit for weeks without any loss of power and it has many memories and computers it has to maintain. I'm very frustrated to say the least! Don't know where to turn to next.



Definitely not. Something is pulling current. Even a "bad" battery would last a week. Probably.........


Everything that is drawing current like the detectors should not kill a battery in a week. We had our trailer at a repair shop last winter and it was still good after 2 months. With no charging whatsoever.


If you have a voltmeter you could test it by pulling fuses and see what is drawing current. But be careful if its more then the meter can handle you will fry it right in your hand. ughh You could go buy a cheap ($10 or free) Harbor Freight meter no big loss. And test it without being plugged into shore power.


Good luck.
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Old 10-12-2018, 06:44 PM   #5
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Originally Posted by franktafl View Post
There are so many items in your RV that require VAMPIRE POWER. stuff like LP alarms, your radio, your TV, the inverter, the console for _____ , those things add up, etc. There were so many I finally added solar so it would maintain the battery, now I'm fine, right as rain, okie dokie, etc.

PS: Your car only has a couple of things that drain the battery at any one time, the alarm system, the radio clock... My Ford Taurus would have a dead battery whenever I left for two weeks or so.

The Coleman probably doesn't have an inverter but it probably does have a converter.
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Old 10-13-2018, 01:37 AM   #6
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Sundancer: Thanks for your reply, I really appreciate it. The battery was replaced by the dealer at the last visit to the service department at Camping World. They have supposedly checked it extensively for draws. One time they said the backup camera, which is factory wired, was wired wrong.
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Old 10-13-2018, 01:42 AM   #7
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Thank you all for replies so far! Very helpful. I'll try to narrow things down using your advice.
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Old 10-13-2018, 11:32 AM   #8
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Thank you all for replies so far! Very helpful. I'll try to narrow things down using your advice.
Good luck! Welcome to the forum. Is WKBW still around?
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Old 10-13-2018, 04:11 PM   #9
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franktafl
Yes WKBW radio and TV is still around. Different format on the radio though, talk radio.
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Old 10-13-2018, 04:18 PM   #10
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franktafl
Yes WKBW radio and TV is still around. Different format on the radio though, talk radio.
Darn, Joe E Reynolds entertained me back in the day...
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