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 > Jump Statt Battery Pack

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Healeyman

Carrollton, TX

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Posted: 07/30/22 03:38pm Link  |  Quote  |  Print  |  Notify Moderator

I'd like to thank you all for your inputs.

In addition to options 1 & 2 above, I have come up with option 3.

Option 3 = BOTH.

I will go ahead and use the fused and diode charge line that I already have installed. AND I will buy a 20 AMP Li battery, fabricate the input and output cables, and house all of it in a small plastic (Harbor Freight) toolbox for portability.

I find that I can build a more powerful battery power supply system that will do exactly what I want for slightly less than I paid for the Jump-Pack (which I have already returned).

Thanks again,

Tim





Grit dog

Black Diamond, WA

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Posted: 07/31/22 11:49am Link  |  Quote  |  Print  |  Notify Moderator

Wow, whata weird around about way to try to put power to your toad….


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Grit dog

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Posted: 07/31/22 11:51am Link  |  Quote  |  Print  |  Notify Moderator

And for those that don’t realize it, the little LifePO jump packs like the ones sized to start a say “5 litre” engine, only have enough reserve capacity to charge maybe 2 cell phones.
Again magic is magic and real can never be magic…

toedtoes

California

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Posted: 07/31/22 01:05pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

And for those that don’t realize it, the little LifePO jump packs like the ones sized to start a say “5 litre” engine, only have enough reserve capacity to charge maybe 2 cell phones.
Again magic is magic and real can never be magic…



The peak amps, starting amps, and capacity vary a LOT on these packs. You really have to check all three numbers to find one that will do what you want.

For me, I have a couple packs that are dedicated for jumpstarting only. I do not use them to charge cell phones, etc. That way I always have a pack ready to jumpstart (it does no good if you've run down its charge on your phone and suddenly need a jumpstart).

I also have a few that I use to power/charge various devices. For these, I worry more about mAH than the other numbers.


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Healeyman

Carrollton, TX

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Posted: 07/31/22 04:05pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

Wow, whata weird around about way to try to put power to your toad….


Grit dog,

What would YOU do?

Tim

Grit dog

Black Diamond, WA

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Posted: 08/01/22 05:05pm Link  |  Quote  |  Print  |  Notify Moderator

Healeyman wrote:

Grit dog wrote:

Wow, whata weird around about way to try to put power to your toad….


Grit dog,

What would YOU do?

Tim


To quote what you said earlier...

"I have a couple of options:

1) I already have a charge line from the RV to the towed car. While I have not tried it yet, that will probably keep the towed battery charged."

Or am I missing something why the toad battery won't work?

rjstractor

Maple Valley, WA

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Posted: 08/01/22 10:19pm Link  |  Quote  |  Print  |  Notify Moderator

Healeyman wrote:

I already have a charge line from the RV to the towed car. While I have not tried it yet, that will probably keep the towed battery charged


I really think you are overthinking this and trying to make something very simple much more complicated than it is. That charge line you have is designed specifically to keep the toad battery charged, and if correctly wired will do just that.

Y-Guy

Tri-Cities, WA

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Posted: 08/02/22 06:27pm Link  |  Quote  |  Print  |  Notify Moderator

IMHO I'd hands down go with option #1 - it works, simple and effective.


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time2roll

Southern California

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Posted: 08/02/22 07:20pm Link  |  Quote  |  Print  |  Notify Moderator

Continuous power vs constantly running a battery down? +1 for option 1.


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