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Old 08-08-2016, 10:50 AM   #1
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New owner question about batteries

Converter went out and replaced. Question - are we suppose to charge the batteries via shore power when not using the AS about every three or four weeks. Also when charging the battery with shore power - refrigerator fan does not shut off. Have 2016 Flying Cloud.
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Old 08-08-2016, 11:57 PM   #2
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The short answer is yes, your battery is slowly being drained by the LPG detector. The current consumption is typically 75 to 100 mA from this alone. So charging the batteries up every 3 to 4 weeks sounds like a good plan. However, did you replace your converter with a three-stage battery charger? If not, then you'll need to make sure you don't leave the charger on for extended periods - otherwise you could damage the batteries.

Ideally, you should have a battery monitor to tell you the available battery capacity at any time. Only having the battery voltage alone is a poor surrogate to determine the state of the battery.

To avoid charging your batteries every 3 to 4 weeks you could also disconnect your batteries to avoid the drain from the LPG detector. This would probably allow you to go 3-4 months between charge cycles. You could add a simple disconnect switch rather than disconnecting the cables each time if you find this inconvenient. Another thing you could do is add a solar charger to keep your battery fully charged. Lots of options.
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Old 08-10-2016, 01:14 PM   #3
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New owner battery question

Much thanks for your reply and knowledge.
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Old 08-10-2016, 01:27 PM   #4
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2fromtexas. here is a recent thread on this subject that will provide some insight.

http://www.airforums.com/forums/f37/...ml#post1833442

note my post #19 refers to yet another thread that I have saved and often refer to.


LP detector, radios and in some instances the sub-woofer seem to be the culprits.

I disconnect my neg connection as I have no SP at storage. When it is hot and I'm not going to use in within 30 days I bring them home for a trickle and where I keep an eye on the water level.

Bob
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Old 08-10-2016, 02:21 PM   #5
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What ever else you do check that convertor and if it is not a 3 stage replace it with one. Airstream does not normally install a good unit.

Solar is a great option for maintaining the batteries while the trailer is sitting.
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Old 08-10-2016, 02:47 PM   #6
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When in storage I simply disconnect the negative battery post, this way there is no battery drainage & it stays charged for months.
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Old 08-10-2016, 03:08 PM   #7
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The OP says he replaced the converter.

Quote:
Originally Posted by 2fromtexas View Post
Converter went out and replaced
. . . .
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Old 08-10-2016, 03:32 PM   #8
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Quote:
Originally Posted by OTRA15 View Post
The OP says he replaced the converter.

With WHAT?
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Old 08-10-2016, 04:14 PM   #9
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Quote:
Originally Posted by 2fromtexas View Post
Converter went out and replaced. Question - are we suppose to charge the batteries via shore power when not using the AS about every three or four weeks. Also when charging the battery with shore power - refrigerator fan does not shut off. Have 2016 Flying Cloud.
When you replaced the converter, did you upgrade to a better unit?

Thanks,

Peter

PS -- thanks HowieE, guess I made an incorrect assumption.
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Old 08-11-2016, 09:08 AM   #10
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New owner battery replaced and converter

Sorry to say it was under warranty and AS only gives back the same converter for replacement. Really appreciate all the responses. Learning a lot about what we need to replace and how to maintain our little beast.
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Old 08-11-2016, 09:25 AM   #11
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Quote:
Originally Posted by 2fromtexas View Post
Sorry to say it was under warranty and AS only gives back the same converter for replacement. Really appreciate all the responses. Learning a lot about what we need to replace and how to maintain our little beast.
Thanks for the clarification.

Our OEM converters/chargers, in spite of their bad reps here, are quite serviceable if one knows their limitations. Given proper use and management, it will last years and years, as will the batteries.

In my personal opinion, the Parallax units are intended to be used actively in a trailer that goes on the road again. over and over. They do not do well at all in a "set it and forget it" mode. Lesson learned.

We intend to upgrade to a Progressive unit eventually. In the meantime, the old maxim applies -- if it ain't broke, don't fix it.

Our next upgrade cycle will hopefully include solar, the new converter, batteries, better cell reception, and so forth, and the nearest available quality shop is many miles and days of travel time away.

Happy Trails!

Peter
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Old 08-11-2016, 01:12 PM   #12
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When my AS is in storage mode, I just connect a Noma block heater timer to the power cord , and set if for 1 hour a day 'on'.

"LOOK AFTER YOUR EQUIPMENT,IT WILL LOOK AFTER YOU."

"Never eat more than you can lift"! (Miss Piggy)
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Old 08-11-2016, 01:17 PM   #13
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"If it isn't broken, break it, then fix it RIGHT!"--Old continuous improvement maxim.

(From an old engineer (me) that is very good at thinking outside the box and making things better)

I've never been content with merely letting well enough alone.😀😀😀


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Old 08-11-2016, 01:31 PM   #14
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Volunteering to come pick up our FC20, take it to a good shop, pay for the improvements, loan me your trailer in the meantime?





"Broke" is a relative concept . . .

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