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Old 11-08-2019, 03:08 PM   #81
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2013 20' Flying Cloud
Westerly , Rhode Island
Join Date: Apr 2018
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Originally Posted by BeSerious View Post
As Shiny16 posted stock Interstate group 24’s are 84 ah. 90ah would require pushing the batteries a little below 50% charge. I chose 90 ah to make the math a little easier to do in my head, before I put the data into the spreadsheet.
You are right, comparing batteries I've always calculated at a 25 amp rate, but the 20 hour rate is probably more along the lines of how a trailer uses the batter.

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Old 11-08-2019, 04:49 PM   #82
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Austin Area , Texas
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Originally Posted by BeSerious View Post
The amps across the 12v fuse were essentially the SAME whether or not the NEST was on shore power! So it’s not at all clear whether our fridge is even hooked up to AC.
Well DUH!!! I finally looked through the AS Briefcase and found the NORCOLD N1090 Installation Manual. On page 9 & 10 - "Section 8 Connecting electricity Table 1: Power supply values" only lists 12v DC. And goes on to describe the 12v cabling, fuses and recommended batteries as 2x95Ah. With no mention of "2-way" or AC.

That will teach me to trust NEST sales literature -- "3.2 cu ft. DC/AC 2-way Electric Refrigerator" in both the 2019 and 2020 NEST brochures.

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Old 11-08-2019, 07:41 PM   #83
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I surely hope that AS keep options for all models in term of fridge types for the future and will let the market/consumer drive the decision more than the bottom line bean counters or new age 'campers' alone. JMO
If you find yourself in a hole, stop digging. Will Rogers
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Old 11-09-2019, 08:44 AM   #84
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The 12V only compressor fridges become "2 way" by virtue of the converter / charger supplying 12V when you are hooked up to shore power.....


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