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Old 02-09-2019, 06:10 PM   #15
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I can add my voice to chorus. Batteries were toast when I purchased my AI used from a non Airstream Dealer. They told me in writing that they were good before purchase. It took several follow ups to get them to replace the batteries but they really dragged their feet. Lifeline would not help as I was the second owner. All in all, it worked out.
There are three guarantees in life...death, taxes, and dead house batteries with a dealer purchased used Interstate!
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Old 02-10-2019, 08:36 AM   #16
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Originally Posted by BurntAsphalt View Post
There are three guarantees in life...death, taxes, and dead house batteries with a dealer purchased used Interstate!


LOL. Seems that way.
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Old 02-11-2019, 12:22 PM   #17
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UPDATE:

Lifeline is stepping up to help out here but the next dilemma is do i convert to 6V instead of 12? I know it would require some fabrication for the trays. Has anyone found a 3rd party option for this? I am not as skilled as some members on this forum (You know who you are!) to do it myself.
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Old 02-11-2019, 08:10 PM   #18
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I also have been looking for a third party option but came up empty. I contacted DIYVAN.com since they fabricate parts for conversions but Hein declined to make these. He stated that he prefers to put the weight in front of the rear wheels. Wouldn't we all. Please post if you find someone. Boxster recently provided me with photos of his custom solution. It looks pretty good but I am not able to take on this fabrication project either.
Going to the 6V batteries seems like the best capacity available in AGM batteries but if I can't find a tray I am comfortable with, I will have to pull the trigger on adding the OEM trays to the other side, stay with Group 24 form factor and hope that it is enough.
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Old 02-22-2019, 01:02 PM   #19
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Hi All,

Wanted to provide an update. Lifeline shipped to 12V batteries to me at a discount and I just had them installed. I have a mobile guy assess the system before and even though he thought the the existing batteries were ok, once he put the new ones in.. Boom. No issues with the batteries immediately dropping to 10V. I hope to see the benefits of this as we get out on the road soon.

Thanks for all the suggestions and info.
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Old 02-22-2019, 06:17 PM   #20
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You should definitely look into the mods you can do to reduce the parasitic loads. Add a switch for the gas valve. Turn off the inverter and/or add a battery disconnect device to the inverter when not using your coach This forum has these well documented.
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Old 02-24-2019, 10:49 AM   #21
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Originally Posted by TX-Newbie View Post
Hi All,

Wanted to provide an update. Lifeline shipped to 12V batteries to me at a discount and I just had them installed. I have a mobile guy assess the system before and even though he thought the the existing batteries were ok, once he put the new ones in.. Boom. No issues with the batteries immediately dropping to 10V. I hope to see the benefits of this as we get out on the road soon.

Thanks for all the suggestions and info.
TXNEWBIE - Nice! Lifeline seems to do good & step up in these cases when dealers mess up.
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Old 02-24-2019, 04:45 PM   #22
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TXNEWBIE - Nice! Lifeline seems to do good & step up in these cases when dealers mess up.
They did for sure. Now I need to figure out why the GFCI breaker won't reset. Ugh.
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Old 02-24-2019, 05:12 PM   #23
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They did for sure. Now I need to figure out why the GFCI breaker won't reset. Ugh.
TXNEWBIE - Let me just verify, it's the GFCI breaker under the R/S jumpseat that you are talking about, right? That's the breaker that srvices all the outlets that are not inverter supplied. Not the GFCI Outlet behind driver seat? If you are not plugged into shore power, that GFCI breaker wil not reset. And it's outlets are not usable anyway. Has to do with how inverter ties Gnd/N. If you plug into shore power, you should be able to reset the breaker and confirm the non-inverter power outlets should work.
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Old 03-05-2019, 07:12 AM   #24
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TXNEWBIE - Let me just verify, it's the GFCI breaker under the R/S jumpseat that you are talking about, right? That's the breaker that srvices all the outlets that are not inverter supplied. Not the GFCI Outlet behind driver seat? If you are not plugged into shore power, that GFCI breaker wil not reset. And it's outlets are not usable anyway. Has to do with how inverter ties Gnd/N. If you plug into shore power, you should be able to reset the breaker and confirm the non-inverter power outlets should work.
Thank Alex - I never even noticed that before. You are dead on. All is right again (as far as power goes).
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Old 03-10-2019, 08:22 AM   #25
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How to check at dealers that batteries are OK

So, I’ve been reading about all the problems with dealers not maintaining the Interstate batteries. We are considering buying a 2019 that is sitting on the lot. How do we determine before we drive away that the batteries are good?
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Old 03-10-2019, 09:21 AM   #26
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A good battery place can do a controlled discharge and see how much power they can take out of them for how long. The standard draw-down test (used to rate them for advertising purposes) is how many amp-hours you can get out of them over a 20 hour period of time. Another way to do much the same thing is to measure how many minutes it takes to discharge them at a given output rate (25amp being the most common). I assume that new batteries will come close to meeting the advertised specs. I don't know how much below the standard to accept before they are considered 'bad'. Perhaps Lifeline can tell you.

Any test that you would do yourself (such as using it for a day or too) would be too subjective to be of much value. No way of knowing/proving if the problem is with the battery or how you used the rig.
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Old 03-10-2019, 09:48 AM   #27
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So, I’ve been reading about all the problems with dealers not maintaining the Interstate batteries. We are considering buying a 2019 that is sitting on the lot. How do we determine before we drive away that the batteries are good?
JAGZOO. I wouldn't rely on any tests and just get them to replace the batteries. It will cost them $300 and it will give you piece of mind. I just replaced mine and it's a night and day difference.
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Old 03-10-2019, 09:53 AM   #28
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I insisted that the batteries be load checked before I would take possession. They had to put in new batteries.
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