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Old 09-12-2015, 08:31 PM   #1
Skoolie
 
Join Date: Mar 2011
Location: Port angeles, Wa
Posts: 186
Year: 90
Coachwork: bluebird conventional
Chassis: international
Engine: dt466
Rated Cap: 72
Type and number of batteries

Just curious what type and how many batteries people are using for the coach.
I have several of the big 8D batteries and not sure how many I should use. I would like to use just 1 cause space under the bus is getting limited.
I mainly will be camping in powered sites with the occasional 3-4 day boondocking. Will not be using any inverters.
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Old 09-12-2015, 10:12 PM   #2
Skoolie
 
Join Date: Mar 2010
Location: Texas
Posts: 206
Year: 1997
Coachwork: AmTran
Chassis: Genesis
Engine: DT466
Rated Cap: 84
Depends entirely on your load what you require. Without knowing that, we can't really tell you much beyond 'more is better' or the like.
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Old 09-12-2015, 10:15 PM   #3
Skoolie
 
Join Date: Mar 2011
Location: Port angeles, Wa
Posts: 186
Year: 90
Coachwork: bluebird conventional
Chassis: international
Engine: dt466
Rated Cap: 72
The load really wouldn't be much. fridge, water pump, furnace, a dozen or so light, radio, and a vent fan or two. not planning on using any high draw appliances.
mainly just want to know what others are using.
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Old 09-12-2015, 10:36 PM   #4
Bus Nut
 
Join Date: Sep 2014
Posts: 546
A 30,000 btu Suburban furnace uses 8.5a. Figure 50% run time and 50% of batt. cap. gives about 11 hours on a 100ah batt. Your math may vary but they are power pigs.

We have 5 ah batts, 200w solar and run a res. fridge through a 2000w inv. (no fan heat), 13"tv, XM, a few led lights and in those same 3-4 days I see 12.0-12.2 v and recharge then.
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Old 09-13-2015, 01:49 AM   #5
Bus Geek
 
Join Date: Aug 2011
Location: Stony Plain Alberta Canada
Posts: 2,937
Year: 1992
Coachwork: Bluebird
Chassis: TC2000 FE
Engine: 190hp 5.9 Cummins
Rated Cap: 72
Quote:
Originally Posted by dond View Post
We have 5 ah batts,
Do you mean 500 ah?

Nat
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Old 09-13-2015, 02:42 AM   #6
Bus Nut
 
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Join Date: Sep 2013
Location: Denver
Posts: 489
Year: 1982
Coachwork: Blue Bird
Chassis: International S1800
Engine: DT466 Trans: MT643
Rated Cap: 65
I run an 8d for starting and 12v stuff. Its topped off by its own 300 watt panel and charge controller
I have 8 t105s wired in 2 strings for 440ah at 24v
Id have to try pretty hard to run out of juice.
My fridge is an electric chest freezer, ill run ac for an hour or two, and I can use as many lights as I like without worry. Its also sunny in Colorado and I have 900 watts for this system.
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Old 09-13-2015, 10:51 AM   #7
Bus Nut
 
Join Date: Sep 2014
Posts: 546
Correction 5-100ah batteries.

Had to re type after a hiccup.
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