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Old 02-19-2020, 12:16 PM   #1
Bus Geek
Join Date: Sep 2018
Posts: 2,831
Year: 2007
Coachwork: Thomas Built
Chassis: Minotour
Engine: Chevy Express 3500 6.6l
Battery Vault Underbody Toolbox

Iím really pushing the limits of short bus configuration. Maybe itís name is Tetris?

For a long while I thought that I was going to make a battery drawer that fits where the auxiliary battery compartment is. Then I found out that the form factor of the deep cycle batteries make this unworkable.

Then I thought maybe I should add another underbody box in the back under the floor. The only thing is, I would need to crawl under the bus for access.

Anyone see a problem with this setup?

Thank you,


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Old 02-19-2020, 01:07 PM   #2
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Join Date: May 2016
Location: Grayson County, VA
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Year: 1996
Coachwork: Amtran
Chassis: International
Engine: DT466
Rated Cap: 65
Originally Posted by Danjo View Post

Anyone see a problem with this setup?

Thank you,

Two problems that come to mind are weight of the batteries, and ease of accessibility for battery maintenance. Depends on how many batteries you have...I've got 6 golf cart batteries and it comes to like 450lbs. If you need to water your batteries monthly then make sure it's easier to do than it is to put off. If you're using AGM or something then it's not an issue. Oh, and ventilation too. If they're FLA you'll need ventilation for the hydrogen the batteries will produce.
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Old 02-19-2020, 08:58 PM   #3
Bus Nut
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Engine: 5.9 Cummins 12V Mechanical/Allison MT643
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I am probably stating the obvious here but, unlike propane, hydrogen rises, so that factor needs to be considered when designing battery compartments.
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