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Batteries

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mjlrpod View Drop Down
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Post Options Post Options   Quote mjlrpod Quote  Post ReplyReply Direct Link To This Post Topic: Batteries
    Posted: 02 Dec 2023 at 1:32pm
So I just received my new solar panels. I bought 2 Bi-facial 220 watt panels, that should provide about 500 watts of power, in direct sunlight. I also am replacing my 10 amp PWM controller, with a 40 amp Mppt controller. That and the 2 new lifepo4 batteries will be awesome. I should be pretty much energy self sufficient, barring several cloudy days in a row. Even at that, if I shut off the DC fridge, i'd be fine. Can't wait till spring to get it all installed. I'll have 180 watts of solar for sale at that point. I am removing my pre exsisting panels so my system can work as efficiently as possible. I have to start researching an inverter now. I know nothing about it. I'm hoping to run the t.v. , maybe a nice fan, and a keurig coffee pot. I figure at least a thousand watt would be needed? Don't really know. If anyone has good inverter knowledge, I'd like to hear. 
2017.5 Rp-172
2020 R-pod 195
2015 Frontier sv 4.0L 6cyl
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mjlrpod View Drop Down
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Post Options Post Options   Quote mjlrpod Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2023 at 1:09pm
The inverter is up in the air right now. I can get by so far with my Jackery. I can make coffee, and watch T.V. for a 4 - 5 days without charging.  If I have any sun, I can go who knows how long. I might add another 1 or 2 hundred watts of solar panel so I can keep the Jackery charged up as well. 
2017.5 Rp-172
2020 R-pod 195
2015 Frontier sv 4.0L 6cyl
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Post Options Post Options   Quote gpokluda Quote  Post ReplyReply Direct Link To This Post Posted: 10 Nov 2023 at 4:04pm
Originally posted by mjlrpod

I just ordered two 100 ah lithium batts from renogy. Two 100ah batts with both bluetooth monitoring and self warming was 1,050ish,  1,126 with tax. This should be the end of my battery concerns for a while. As long as there is sun, I should be able to run pretty much indefinitely. According to the tech, I should be able to run the dc fridge for 30 hours + with no charging. I'm pretty excited. 


You're in for a treat. We have lithium in our trailer and it has been a game changer for us. Combined with solar, your electrical woes are gone and all you have to worry about is water and tank capacity. Will you be installing an inverter as well?
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mjlrpod View Drop Down
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Post Options Post Options   Quote mjlrpod Quote  Post ReplyReply Direct Link To This Post Posted: 10 Nov 2023 at 12:16pm
I am not going to install them until april ish, no need since I wont be using it. Not sure if i'm going to install them inside, or on the tongue. They are advertised as having a bolt down attachment. I'll have some time to think about it i guess





















2017.5 Rp-172
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StephenH View Drop Down
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Post Options Post Options   Quote StephenH Quote  Post ReplyReply Direct Link To This Post Posted: 10 Nov 2023 at 11:19am
Congratulations! I'm looking forward to reading about the results when you get a chance to use them.
StephenH
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ouR escaPOD mods
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mjlrpod View Drop Down
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Post Options Post Options   Quote mjlrpod Quote  Post ReplyReply Direct Link To This Post Posted: 10 Nov 2023 at 11:09am
I just ordered two 100 ah lithium batts from renogy. Two 100ah batts with both bluetooth monitoring and self warming was 1,050ish,  1,126 with tax. This should be the end of my battery concerns for a while. As long as there is sun, I should be able to run pretty much indefinitely. According to the tech, I should be able to run the dc fridge for 30 hours + with no charging. I'm pretty excited. 
2017.5 Rp-172
2020 R-pod 195
2015 Frontier sv 4.0L 6cyl
I'll be rpodding
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Post Options Post Options   Quote gpokluda Quote  Post ReplyReply Direct Link To This Post Posted: 04 Aug 2023 at 2:00pm
Given time and money, anything is possible. If you have unlimited funds, you can do what this guy did. He is a legend on the Escape forum. The video is an hour long but what he has done is incredible.

https://www.youtube.com/watch?v=aEmWZViNs3c

Or, you can put a soft start on your AC and splurge on an ultra quiet Honda EU2200i and be done with it.
Gpokluda
2017 Rpod 179(sold 2023)
2022 Escape 5.0TA
2022 Ford F150 4X4 3.5EB
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StephenH View Drop Down
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Post Options Post Options   Quote StephenH Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2023 at 8:59pm
The refrigerator that we put in the RPod was much smaller and thus, used much less energy than the large refrigerator in the Grey Wolf. I don't remember the figures but they are somewhere in my mods.

Edit: I went through and found the specific link.


So, we have a larger refrigerator and are using the oxygen concentrator which has a significant draw. Don't take my experience as typical. The CPAP machine is another draw, but I keep the humidifier turned off which cuts the amount of energy required for it.

The oxygen concentrator uses 9 watts while in standby. It uses about 88-103 watts while running. That is a significant draw and is a great part of the power use overnight.
StephenH
Happy is the man that findeth wisdom,...

ouR escaPOD mods
Former RPod 179
Current Cherokee Grey Wolf 24 JS
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jato View Drop Down
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Post Options Post Options   Quote jato Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2023 at 6:25pm
I have a now 3 year old Trojan T-1275 battery that puts out 165AH, pretty good for a 12v LA battery but also a heavy weight at 85 lbs.  Between that and our 12+ year old Interstate we go 7 days off grid when night temps are in the 40's with the furnace running a lot.  But you present a new challenge with running a fridge that is NOT propane.  Hopefully, by the time ours quits functioning there will be some good alternatives to the current Dometic 8501.
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Jim and Diane by beautiful Torch Lake
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StephenH View Drop Down
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Post Options Post Options   Quote StephenH Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2023 at 9:48am
Yes, yes, and yes. I'm not sure if I have 50 or 100 Watts of solar. Yes, the same rule applies about age of batteries. As for running AC, look at the Gone with the Winns blog on YouTube. It would take a lot more battery power and solar panels to make that feasible, and only then if you are in a place with lots of sunshine.
StephenH
Happy is the man that findeth wisdom,...

ouR escaPOD mods
Former RPod 179
Current Cherokee Grey Wolf 24 JS
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