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Old 02-07-2020, 09:41 AM   #21
Bus Nut
 
Join Date: Apr 2019
Location: Savannah GA
Posts: 756
Year: 2003
Coachwork: Bluebird
Chassis: TC2000
Engine: Cummins 5.9 24v
Rated Cap: 54 passenger
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Originally Posted by kazetsukai View Post
I have one of the fantastic fans and they don't use even close to 60W at full tilt, seems a bit high to me.





I'm skeptical this is actually 750W, or that it'll only run for an hour a day, or in that case, that it'll do anything beyond provide lukewarm water. I gave up on hot water planning a 30kWh battery bank, I say go propane.




How many GPM is your pump? Do you have at least 60 times that in water capacity? lol, your estimate is too high.



All of these, use a Kill-a-Watt or other meter and actually measure your weekly usage. Your grinder really runs for an hour?



Yesterday my yield was 1.62kWh. I used about 600Wh (25W load running 24/7) Net yield, ~1kWh. 24/7 loads are the killers.




I went EV lithium/Tesla. Systems with an internal BMS like the battle-borns and others are more or less plug-and-play. Everything else you will be doing it all yourself. If you enjoy tinkering with electrical, go for it. If you don't like watching voltages, or are uncomfortable in the slightest with any of this stuff spend the extra $ on the premade solutions.
Thanks for all the advice and real world numbers. I said in another post I don't have any of this stuff to use a kill a watt meter on to test. Just going by averages I'm finding online. I'm actually glad all my assumptions are high.

You've got a great build. I will get to asking specific questions again in a week or two about your system if you don't mind.

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Old 02-07-2020, 09:56 AM   #22
Bus Crazy
 
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Join Date: Feb 2017
Location: The West
Posts: 1,210
Year: 1998
Coachwork: MCI
Chassis: 102 EL3
Engine: DD 60
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Originally Posted by JDSquared View Post
Your sister may or may not be the best fit for me...
Afraid all my sisters are already married! Yes... I know what you meant.

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Originally Posted by JDSquared View Post
I can't figure out what you using for a BMS though I think that's my biggest hang up right now. I only see the one picture and you've got a great electrical diagram, but I'm not sure what your components are to monitor your batteries.
Sorry about that. I have this system/BMS: https://www.starlightsolar.com/elite...ery/index.html

Toss in the charge controller remote panel/instrument and you have a pretty good idea what is going on.
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Old 02-07-2020, 10:27 AM   #23
Bus Geek
 
Join Date: Nov 2016
Posts: 2,775
Yes EPS is good stuff, packaged systems too I believe with Winston cells
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Old 02-07-2020, 10:31 AM   #24
Bus Nut
 
Join Date: Apr 2019
Location: Savannah GA
Posts: 756
Year: 2003
Coachwork: Bluebird
Chassis: TC2000
Engine: Cummins 5.9 24v
Rated Cap: 54 passenger
Quote:
Originally Posted by JDOnTheGo View Post
Afraid all my sisters are already married! [emoji3] Yes... I know what you meant.



Sorry about that. I have this system/BMS: https://www.starlightsolar.com/elite...ery/index.html

Toss in the charge controller remote panel/instrument and you have a pretty good idea what is going on.
Lol I love autocorrect!
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Old 02-07-2020, 11:20 AM   #25
Bus Crazy
 
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Join Date: Feb 2017
Location: The West
Posts: 1,210
Year: 1998
Coachwork: MCI
Chassis: 102 EL3
Engine: DD 60
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Originally Posted by JDSquared View Post
Lol I love autocorrect!
Resistance is futile!!
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