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Open Roads Forum  >  Class C Motorhomes  >  Class C

 > Charging dead battery on Ford E350

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CodyClassB

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Posted: 03/08/19 12:05pm Link  |  Quote  |  Print  |  Notify Moderator

I have 2015 Winnie Minnie 22 footer (Ford E350) . The battery is dead after sitting on the drive way for 6 months. I connected the charger to the chassis battery but it doesn't charge . I heard modern chargers don't charge completely dead battery and I do not have a spare battery. What is the best way to charge this dead battery ? thanks

* This post was last edited 03/08/19 03:45pm by CodyClassB *   View edit history

SidecarFlip

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Posted: 03/08/19 12:16pm Link  |  Quote  |  Print  |  Notify Moderator

Load testers are cheap.


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2oldman

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Posted: 03/08/19 01:16pm Link  |  Quote  |  Print  |  Notify Moderator

Not sure I'm following this correctly, but, you're connecting the new charger directly to a new battery and it doesn't charge?

theoldwizard1

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Posted: 03/08/19 02:11pm Link  |  Quote  |  Print  |  Notify Moderator

Modern battery chargers will NOT charge and absolutely DEAD battery. Jump start it, hold fast idle for about 10 minutes, shutdown and immediately connect the charger.

time2roll

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Posted: 03/08/19 02:24pm Link  |  Quote  |  Print  |  Notify Moderator

theoldwizard1 wrote:

Modern battery chargers will NOT charge and absolutely DEAD battery. Jump start it, hold fast idle for about 10 minutes, shutdown and immediately connect the charger.
Don't even have to start the engine.

Just jump, attach charger, start charging, remove the jump and let it rip.

For the OP: if you are plugged in or have solar you can add a Trik-L-Start combiner to keep the chassis battery charged. Letting any battery run that low will cause sulfation and permanent loss of capacity.


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2oldman

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Posted: 03/08/19 03:03pm Link  |  Quote  |  Print  |  Notify Moderator

Need more info. At least I do.

CodyClassB

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Posted: 03/08/19 03:47pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks all . I updated the question. Since modern chargers do not charge completely dead batteries, will this cheap one charge ?

https://www.harborfreight.com/automotive........tomatic-battery-float-charger-69955.html

wolfe10

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Posted: 03/08/19 03:54pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

theoldwizard1 wrote:

Modern battery chargers will NOT charge and absolutely DEAD battery. Jump start it, hold fast idle for about 10 minutes, shutdown and immediately connect the charger.
Don't even have to start the engine.

Just jump, attach charger, start charging, remove the jump and let it rip.

For the OP: if you are plugged in or have solar you can add a Trik-L-Start combiner to keep the chassis battery charged. Letting any battery run that low will cause sulfation and permanent loss of capacity.


Perfect/correct answer!


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4x4van

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Posted: 03/08/19 03:55pm Link  |  Quote  |  Print  |  Notify Moderator

CodyClassB wrote:

Thanks all . I updated the question. Since modern chargers do not charge completely dead batteries, will this cheap one charge ?

https://www.harborfreight.com/automotive........tomatic-battery-float-charger-69955.html
That isn't a "charger", it's a "maintainer". It would likely take days with that to put enough charge into the battery for a normal charger to kick in. If ever.


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2oldman

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Posted: 03/08/19 03:56pm Link  |  Quote  |  Print  |  Notify Moderator

CodyClassB wrote:

will this cheap one charge ?
Thanks for the update.

That's a battery maintainer, not a real charger. It would take a very long time. You hook that up for the 6 months you let 'er go dead.

You don't have access to a single battery anywhere.. like in another vehicle? Can't get a jump from someone? (to start the battery charging as said above)

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