Adding second battery to 2005 E350 with V10

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Jul 16, 2011 | 10:39 PM

Bbasso

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From: infraction

Adding second battery to 2005 E350 with V10

I would like to add a second battery to my 05 E350, I'd also like to use as much OE parts as possible.

Could anyone assist in what I need?
thanks.

Jul 17, 2011 | 05:06 AM

JWA

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Joined: Aug 2010

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From: Reynoldsburg, Ohio

Just curious but why the second battery?

Jul 17, 2011 | 09:30 AM

PStruwing

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Joined: Dec 2007

Posts: 419

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From: Lakefield Ontario

I would like to do the same thing as kids have drained the battery twice now watching TV and listening to both stereos at same time!

Not on immediate to do list, but if easy.....

Jul 21, 2011 | 09:18 AM

Motomedic

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Joined: Jun 2011

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From my research, I found the frame has the holes for the OEM battery box from the diesels. A quick run to Fleabay netted me two of them for less than $100 w/shipping. I haven't actually installed them yet, but it's a common thing.

Then you'll need some sort of isolator/charger/switchie thingie. I like the Hellroarer Tech version:

Hellroaring Technologies, inc., Manufacturer of Solid State Dual Battery Isolator / Combiners

After that, some wire and cable, and Bob's yer uncle.

Jul 21, 2011 | 09:25 AM

PStruwing

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Joined: Dec 2007

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From: Lakefield Ontario

Great info. Thx

Jul 21, 2011 | 02:52 PM

2000Ford2000

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Joined: Feb 2006

Posts: 592

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A battery jumper box would be a LOT cheaper, but if you must:

Anybody add a second battery? - Ford Truck Forum | F150 Forum | Ford SUV Forum - FordFullsize.com

Ford factory E-450's and E-550's cut-aways already have twin batteries. Not sure if cut-away E-350's are made anymore. Used for RV's and Ambulances if you didn't already know that.

We've discussed this here before years ago but I need to leave work now and so I don't have time to search for it.

Jul 22, 2011 | 12:24 AM

Bbasso

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From: infraction

why?
so I can have power, I use my van for work and the radio plays for hours and some lights run too.

I'd like the OE battery box like I did on my 7.3PSD Van.

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Jul 23, 2011 | 05:25 AM

JWA

Fleet Owner

Joined: Aug 2010

Posts: 21,253

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From: Reynoldsburg, Ohio

Quote:

Originally Posted by Bbasso

why?
so I can have power, I use my van for work and the radio plays for hours and some lights run too.

I'd like the OE battery box like I did on my 7.3PSD Van.

I thought this was your reason and I too run my van's radio, added interior cargo bay lighting and 12v accessory ports since its an outside work truck. My parts/materials have to be kept warm too during colder months so I did something a bit different---added a RV-type 12 volt converter.

Any device or outlet I wanted to operate that would normally draw power from the battery was wired into the converter in such a way that the chassis battery was taken out of the loop when shore power is applied. There is a 120 VAC heater too but none of it was that difficult to wire together.

All this assumes of course when you're parking and running things you have access to 120 VAC---I do so it was easy to do. You might not have that luxury which makes adding a second battery understandable.