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Old 12-30-2016, 12:38 AM   #1
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I need battery advice

I'm on my way to go buy my first bus. I'm pretty excited. The batteries (2) are dead and I need to know what kind I need. The rear of the bus does have ac. I'm buying:

2004 Ford E350 Super Duty
6.0 L V8DI

I have minimal knowledge of batteries so if you can please help, it'd be much appreciated. Thanks.
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Old 12-30-2016, 02:52 AM   #2
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No worries. Small engine, small starter. Worse case pick up a 12V 800+ CCA battery that fits in the single tray. Worry about sizing alternate batteries and AH usage later.
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Old 12-30-2016, 02:58 AM   #3
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Thanks a lot. So if that's worse case, whats the middle of the pack suggestion? I plan to eventually power interior lights n fridge n all that later, hopefully through solar panels, etc. but that's a different story.
I was told get a group 31 battery. Idk jack. Thanks friend.
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Old 12-30-2016, 03:13 AM   #4
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Group 31 is just the size reference to standard automotive batteries. One batt is going to be good to start the bus with.

My guess is that the bus doesn't have an aux battery set for internal lights/etc. and is just utilizing an 'oversized' bank for both.

If your goal is just to get it started for picking up and driving home (and you're picking it up from somewhere with shops) I'd avoid picking up a battery until I saw the bus. Once you inspect the bus drive to the closest auto shop and pick one up that fits to start it for the journey.

Long term I'd consider isolating systems. Keep the starting battery away from your house system (fridge/etc.)

Easiest and cheapest would be to use the two battery trays and separate them. One 12V for starting (marine deep cycle), and one 12V deep cycle for house. Small panel and charge controller to the house and run all house items from that.

Long-term I'd rip all the wiring out that's not part of the bus/engine components and build a larger bank for house.
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Old 12-30-2016, 03:22 AM   #5
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Sorry if I'm not being specific. Power needs are so custom to each persons needs it's not even funny.

Here's to keeping simple (a friend bought this for his pop-up and love's it):

Solar Panel Kit - Save on this 45 Watt Solar Panel Kit

Here's to keeping it on the other end:

https://www.altestore.com/store/sola...system-p40464/
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Old 12-30-2016, 03:22 AM   #6
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...batteries not included.
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Old 12-30-2016, 03:30 AM   #7
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Before I respond anymore. I'll ask a couple questions:

1) How long do you plan on running your bare necessities? (Fridge, Fans, lights, Inverters for charging phones, etc.)

2) How many max watts do all of those devices add up to at a single point in time?

I'm spamming. I know. Sorry.
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Old 12-30-2016, 05:28 AM   #8
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If that 6.0 hasn't been "bulletproofed" you wanna look into that asap.
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Old 12-30-2016, 05:37 AM   #9
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looks nice and green where your at. if your not in alaska then a single group 31 will do. drive it home and check out out your new ride. if you plan on having a solar setup it will be a separate system of batteries. good luck, great base for a build.
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Old 12-30-2016, 06:54 AM   #10
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FYI: those 6.0 engines have a fuel injection controller module (FICM) that seriously does not appreciate low voltage during cranking. You can start them on 1 battery if its warm and the battery is fresh, but dont make this a habit. That FICM is about a grand, and the replacement will need a trip to Ford to be reprogrammed properly. Ask me how I know.

Not trying to scare you, just want you to understand why it needs two batteries.

I also want to underscore the need to learn about this motor and what it needs for survival. EC mentioned "bulletproofing", and this is very important. The weak points on that motor are the turbo, turbo actuator, injectors, FICM, HPOP, EGR valve, EGR cooler, oil cooler, head bolts, head gasket, and everything connected to them. No joke. Properly done, this can be a decent motor, but without a complete going-thru you'll need a thick wallet and a AAA card. Been there!

Personally I'd never own a 6.0 again, but some folks seem to get along with them pretty well. Google this motor carefully and see if you really want to get into this. Also check out the multiple class actions that arose and were eventually settled, as these really lay open the weak points.
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