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Old 07-30-2015, 02:42 PM   #57
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I would listen to Lewster! He set me up in March of this year and it was the best modification I could have asked for. He corrected a number of Airstream quality control and material issues with the solar setup. It has been easy peasy keeping the house charged.


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Old 07-31-2015, 09:52 AM   #58
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Lew did our system last year. Removed the tv antenna, installed two 100w panels, and swapped batteries for two 6v golf cart batteries. Left the original 50w panel in place on the roof, but it is NOT hooked up (per Lew, wiring isn't compatible).

This system is perfect for us.
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Old 08-18-2015, 07:42 PM   #59
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So I might as well finish my part of this forum. I wrote two letters; one to Airstream and one to RBM complaining of the battery switch. We took a trip to Texas and the AI whined the whole time. It sounded like an electrical issue. Long story short...brought it back to RBM and they diagnosed the whine as a turbo issue (ingested some rubber) and while they replaced the turbo they also replaced the Duracell's with Lifelines. Now i just pull the batteries out of their case and disconnect the grounds. Next step is to install a battery temperature monitor...where is the Magnum located? Thanks for all your support.
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Old 08-19-2015, 01:30 AM   #60
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Originally Posted by hamiltonmj View Post
So I might as well finish my part of this forum. I wrote two letters; one to Airstream and one to RBM complaining of the battery switch. We took a trip to Texas and the AI whined the whole time. It sounded like an electrical issue. Long story short...brought it back to RBM and they diagnosed the whine as a turbo issue (ingested some rubber) and while they replaced the turbo they also replaced the Duracell's with Lifelines. Now i just pull the batteries out of their case and disconnect the grounds. Next step is to install a battery temperature monitor...where is the Magnum located? Thanks for all your support.
Your Magnum is located beneath the rear lounge. Remove the rear vertical wood panel (screws on the sides) and it should be attached to that panel. Place the battery temp sensor on the negative post that is the middle (series) connection of you have 6VDC batteries, or on the negative parallel connection that does not have the ground connection to the battery box. Then plug it into the magnum and you should be set.

Be sure to adjust the Magnum to the 'AGM 1" setting, which is the charge profile specific to Lifelines and double check the amp/hour setting on the remote to correspond to your battery bank amp/hour capacity.
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Old 08-28-2015, 02:16 PM   #61
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Battery Issue...always needs to be plugged in

I was told by the Lifeline rep that if you cannot plug in your vehicle while in storage, the alternative is to fully charge the house batteries prior to storage then disconnect the negative lead from each battery. I'll be doing that this fall.
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Old 08-28-2015, 03:13 PM   #62
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I was told by the Lifeline rep that if you cannot plug in your vehicle while in storage, the alternative is to fully charge the house batteries prior to storage then disconnect the negative lead from each battery. I'll be doing that this fall.
Is that even if your solar panel can keep them charged?
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Old 08-28-2015, 04:35 PM   #63
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Is that even if your solar panel can keep them charged?

That depends entirely on what type of solar charge controller you have. If it is not a 3-stage solar controller, I would not leave Lifelines connected to it.

Any charger that will not provide an automatic 13.2 VDC float charge when full will damage Lifelines.


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Old 08-28-2015, 05:19 PM   #64
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That depends entirely on what type of solar charge controller you have. If it is not a 3-stage solar controller, I would not leave Lifelines connected to it.

Any charger that will not provide an automatic 13.2 VDC float charge when full will damage Lifelines.


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Lifeline Batteries**Magnum Inverters
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is the solar charge controller with my 2015 AI a 3-stage? (sorry ... I'll go read the manual but thought I might as well ask knowledgable folks here while I"m signed in). I plan to leave it in LA area for 6 months this winter, uncovered (i.e. lots of sun) and unplugged. I plan to be out there at least once / month for a weekend trip, although I suppose with "...best-laid plans" etc it could stretch out a bit from time to time.
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Old 08-28-2015, 11:23 PM   #65
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Airstream does not install 3-stage solar charge controllers. You will need an upgrade for that.


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Old 08-29-2015, 07:44 AM   #66
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Weirdstuff/Lewster: "swapped batteries for two 6v golf cart batteries"
Do you use two 4CT in series (12 V, 220 A vs 12V 160 A for two 24T in parallel) and did they fit in the existing battery box? I thought I might go for that upgrade when my current batteries need to be replaced.
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Old 08-29-2015, 10:24 AM   #67
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Weirdstuff/Lewster: "swapped batteries for two 6v golf cart batteries"
Do you use two 4CT in series (12 V, 220 A vs 12V 160 A for two 24T in parallel) and did they fit in the existing battery box? I thought I might go for that upgrade when my current batteries need to be replaced.
I generally don't keep the existing steel battery box when installing Lifeline AGMs. And because you get a lot of additional space with no box, I use the GPL-6CTs at 300 amp/hours. Same footprint.....just a bit taller.

And remember, Lifelines don't have to be positioned terminals up. I lay them on their sides on a lot of installations.
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Old 08-30-2015, 08:14 AM   #68
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That depends entirely on what type of solar charge controller you have. If it is not a 3-stage solar controller, I would not leave Lifelines connected to it.

Any charger that will not provide an automatic 13.2 VDC float charge when full will damage Lifelines.


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Master Tech Energy Systems, Inc.
AM Solar Certified Installation Center
Lifeline Batteries**Magnum Inverters
541-490-6357
So summing up here, and hoping for affirmation from knowledgeable people on this thread:
1) I will store for 6 mos in LA area this winter. Unplugged and uncovered, so lots of sun. "Plan" on being out there once / mo to take a 3-5 day trip. However, it could stretch to every 5-6 weeks I guess
2) from experience in Chicago this summer, my 100 watt solar panels have no trouble keeping the batteries topped off while stored, uncovered and unplugged, with us using the van once/month for 3-5 days at a time.
3) however, and this is new info to me, the solar charger could over-charge the batteries in SoCal since it's not a 3-stage. how serious of a concern is this?
4) therefore, may be better to disconnect the neg terminals of the house batteries while parked out there?
5) how to access the house batteries? I've read and re-read the manual and all I can get is that they are located in the rear on curbside (2015 AI Grand Tour Ext). Since it's currently on the storage lot, I haven't gone out to visit and look. Do you access them from underneath? or through the coach? Is it difficult to get at them and disconnect the neg terminals? I also read on another post a while back that there's a "switch" you can put on the neg terminals and just turn it to off when needed.

I know there are a lot of battery threads in this forum, and I've read just about all of them to get this far. Sorry if this is a redundant question.

Thanks for any help.

Mark
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