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Old 06-02-2019, 09:17 PM
 
Location: Montgomery County, PA
16,233 posts, read 12,671,695 times
Reputation: 14039

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People make sure they carry jumper cables but can't find anyone to jump them when they need it. Enter Lithium boosters. They make wild claims. First, how many amps do you need? The sell them with 4000A and 400A, and claim both to be good. Then there is the 800A for just 60 bucks.
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Old 06-03-2019, 12:10 AM
 
Location: Aurora Denveralis
8,715 posts, read 5,049,363 times
Reputation: 13421
If you mean the relatively new thing of jump start packs, they've completely replaced jumper cables and the need for a second vehicle. Many function as portable power sources too... 12v, 120v and USB. One of the few new gadgets I find useful and worthwhile.
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Old 06-03-2019, 07:34 AM
 
Location: Floribama
18,383 posts, read 37,926,932 times
Reputation: 17800
I have a Whistler Jump-N-Go and I have have used it for many things... from starting my generator, to starting my lawnmower, to jumping someone’s car.
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Old 06-03-2019, 07:57 AM
 
Location: Montgomery County, PA
16,233 posts, read 12,671,695 times
Reputation: 14039
Quote:
Originally Posted by Quietude View Post
If you mean the relatively new thing of jump start packs, they've completely replaced jumper cables and the need for a second vehicle. Many function as portable power sources too... 12v, 120v and USB. One of the few new gadgets I find useful and worthwhile.
The problem with these jump starters is the same problem with the power banks for your cellphones; they themselves are dry when you need them. Much like flat spare tires.
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Old 06-03-2019, 08:32 AM
 
120 posts, read 46,133 times
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I think they are one of the best things out there for auto emergencies. Like others have said, it can be a power source for several things. Mine is a flashlight too.
It was nice to put away the jumper cables.
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Old 06-03-2019, 10:33 AM
 
Location: Aurora Denveralis
8,715 posts, read 5,049,363 times
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Quote:
Originally Posted by HappyRider View Post
The problem with these jump starters is the same problem with the power banks for your cellphones; they themselves are dry when you need them. Much like flat spare tires.
If your pocket knife is dull, whose fault is it?

My jump pack sits plugged in by my garage door. When I drive the summer car, which has an aging battery, or when my van started acting up, I toss it in the relevant trunk until the problem passes. It remains well charged for almost a month.

If you're the kind to forget it in your trunk for a year, maybe you should stay with jumper cables.
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Old 06-03-2019, 10:49 AM
 
13,066 posts, read 7,895,040 times
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Quote:
Originally Posted by HappyRider View Post
The problem with these jump starters is the same problem with the power banks for your cellphones; they themselves are dry when you need them. Much like flat spare tires.
Ours is just stored in the car plugged in to the rear outlet all the time. So it's ready to go whenever.
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Old 06-03-2019, 03:43 PM
 
1,222 posts, read 1,652,785 times
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Quote:
Originally Posted by Quietude View Post
If you mean the relatively new thing of jump start packs, they've completely replaced jumper cables and the need for a second vehicle. Many function as portable power sources too... 12v, 120v and USB. One of the few new gadgets I find useful and worthwhile.
Same here. Once I got used to having it (a gift), I found very useful. Only issue was longevity. After a few years, mine permanently died. Looking to replace - - any good recommendations?
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Old 06-03-2019, 05:22 PM
 
Location: Floribama
18,383 posts, read 37,926,932 times
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One thing worth mentioning, the vehicle being jumped needs to be mechanically sound enough that it can start within about 5 seconds or so, because if it takes too long the jumper will get hot to the touch (at least mine does). This is especially true if you’re jumping a V8.
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Old 06-03-2019, 05:53 PM
 
Location: Aurora Denveralis
8,715 posts, read 5,049,363 times
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Quote:
Originally Posted by southernnaturelover View Post
One thing worth mentioning, the vehicle being jumped needs to be mechanically sound enough that it can start within about 5 seconds or so, because if it takes too long the jumper will get hot to the touch (at least mine does). This is especially true if you’re jumping a V8.
Not if you have commercial-grade cables, instead of the $20 ones from AutoZone.

I had two sets of jumper cables that were grunt-heavy. One was a beautiful tow truck set that ended in a huge bumper-mounted socket. I intended to mount it on a big vehicle, but never did. Paid $25 at a garage sale, held it for about ten years, sold it for $100. (The copper in them alone was probably worth that much...)

But my other good cables... were nowhere to be found last time I moved. I have no idea where they went. A $75 set ca. 2000. 4 gauge, I believe. Rather than replace them, I bought the jump box. Even AAA uses those now for most calls.

True story - the full-size '68 wagon I intended to mount the cables on had a slightly tired 390. At least once, it killed the engine on a mini-service truck trying to jump it.
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