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ouR escaPOD mods |
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Mr. Scott 
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Joined: 08 Jun 2017 Online Status: Offline Posts: 46 |
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 Topic: ouR escaPOD modsPosted: 12 Aug 2021 at 1:02pm |
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Fantastic, Stephen. Thanks.
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StephenH
podders Helping podders - pHp 
Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6288 |
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Posted: 11 Aug 2021 at 9:16pm |
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This is the start of the description of the 100A LiFePO4 battery install. Pictures are later.
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StephenH
Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS |
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Mr. Scott
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Joined: 08 Jun 2017 Online Status: Offline Posts: 46 |
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Posted: 11 Aug 2021 at 5:21pm |
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Thanks.
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StephenH
podders Helping podders - pHp
Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6288 |
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Posted: 11 Aug 2021 at 5:17pm |
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I have to leave now, so I don't have time to post it. However, I can say that this new refrigerator is very quiet. I would have to say that it isn't much louder than our old one with the fans I installed in it to help with the cooling.
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StephenH
Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS |
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Mr. Scott
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Joined: 08 Jun 2017 Online Status: Offline Posts: 46 |
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Posted: 11 Aug 2021 at 5:02pm |
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Thanks so much, Stephen, for all your work and sharing it with us. I've got a lot to digest here, and I'm a tyro when it comes to this stuff. We had a compressor fridge in a slide-in pop up truck camper years ago, and it worked great, but it was a little noisy. What is the sound output of your unit? I think we, too, will go with a 200ah Lion batt. We're fed up with malfunctioning 3-ways. I'm going to bookmark this thread! PS: Can you tell me which page of this thread I can find the initial batter mount info?
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StephenH
podders Helping podders - pHp
Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6288 |
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Posted: 20 Jul 2021 at 8:54am |
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I am really pleased with the energy consumption I have observed so far. I would never have been able to run the RM-8501 on battery for so long. I couldn't even get 8 hours out of dual-6V batteries. For me, reliable cooling is important. The additional insulation I added will help as well as the fan I wired in with a thermostatic switch https://smile.amazon.com/gp/product/B0026RYU4W/ that I wired in series with the fan. It turns on at 100F and turns off at 85F. I used zip ties to strap it to the compressor. I think it will prove helpful to move heat out of the rear compartment and save more energy than it uses.
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StephenH
Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS |
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
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Posted: 20 Jul 2021 at 6:02am |
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Not at all surprised by the fridge energy consumption. The weather is starting to get hotter now. Front loaders are less well insulated than chest fridges, especially around the door seal. If you get into some really hot weather you will probably use close to that in 24 hours. The 200AH battery is a good choice, and you don't have to agonize if you need to cycle it more than 50 %.
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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StephenH
podders Helping podders - pHp
Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6288 |
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Posted: 19 Jul 2021 at 7:33pm |
I'm pleased with it. When I put the 200AH battery in it, I needed to do a deep draw (still trying to find out how deep "deep" is). I started with a warm refrigerator and about a day and a half later on the same settings, I had used about 90AH. Just how much, I am not sure of because I was also trying to calibrate the meter. Now, this was with nothing else running. Again, it was on empty and the next to the highest setting. I expect I won't be doing any long-term boondocking, but for our purposes, I will be happy with the power use. Plus, I now have the 100AH battery available for ham radio use.
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StephenH
Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS |
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StephenH
podders Helping podders - pHp
Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6288 |
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Posted: 19 Jul 2021 at 3:46pm |
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Yes, even if most of the information applied to Lithium Ion and not LiFePO4. Table 2 was the one that was of interest. I think that the larger battery and trying to keep it above 50% SoC would likely give me the best outcome. The trailer will be gone long before I would exceed the number of cycles indicated. 3000 cycles if it were taken to 50% every day would be over 8 years. Most likely, it would stay above that and give an even longer life.
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StephenH
Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS |
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Olddawgsrule
Senior Member
Joined: 20 Sep 2017 Location: New Hampshire Online Status: Offline Posts: 1014 |
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Posted: 19 Jul 2021 at 3:39pm |
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With you being a 1/3rd larger frig than I, I'm surprised by the draw. Yet I don't know: Is it loaded? From a warm start? Ambient temp? Setting on frig? |
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