Options for jump starting without another vehicle - JeepForum.com

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post #1 of 17 Old 02-16-2017, 05:10 PM Thread Starter
Mp5ben
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Options for jump starting without another vehicle

Planning a 10 day trip out to the remote 4x4 trails in Big Bend and taking the WK out to "overland" it.

I started wondering about what I'd do to jumpstart a dead Jeep. Looking on amazon I see small jumpers from phone sized all the way up to large boombox sized jump starters. All varying CAA's which my Jeep requires (05 WK, 5.7) about 1000CCA, What is says on my battery. Then there was the solar panel option but that would take quite a long time to charge a dead 12v battery even out in the desert.

I've almost decided on just bringing the battery out of my CJ7 as a free precaution and keeping a very close eye on whats being used in the Jeep when its off as well as starting it up every 2 hours or so just to keep the battery topped off.

Just seeing what's worked for yall and if you had any reccomendations, reviews are all over the place on these jumpstarters. Some had a compressor too which would be cool but not necessary


05 WK Limited, HEMI 5.7, QD II, OME HD, 255/75/17 Mud terrains
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post #2 of 17 Old 02-16-2017, 05:14 PM
Kman09JGC
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I bought this on Amazon 70 bucks. I had one before this for 10 years before it lost it charge to fast.
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post #3 of 17 Old 02-16-2017, 05:58 PM
Planetcat
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I was going to suggest the spare battery. Its free and unlikely you will need to use it. Also makes for good aux power source for accessories.
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post #4 of 17 Old 02-16-2017, 07:11 PM
caddydaddy
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This is always in the back of my Jeep!

http://www.cloreautomotive.com/sku.php?id=244

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post #5 of 17 Old 02-16-2017, 08:32 PM
azzkicker
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I would bring the second battery, and unless the rig was just cranking slow, I wouldn't risk draining my only hope into a fully dead battery. I would unhook the dead one, start the rig with the good one, then jumper it to the dead one until everything was fat and happy. I had to give somebody a jump start after they tried to jumpstart another rig without theirs running. Both ended up dead. Oddly, most of the instructions I've seen for jumping begin with both vehicles turned off.

I wouldn't trust anything that wasn't about as heavy as a car battery. I saw the link above and it says it weighs about 25 pounds, so that sounds about right to me.

I would love to see some real tests of these jump starter kits, not the marketing setup carefully designed to make a turd look like a diamond. I want to see somebody leave the headlights on overnight, then hook these things up and start the rig.

I see these carefully worded ad numbers, like "peak amps" and "cranking amps" which are not cold cranking amps. Also, there's no doubt in my mind they quote those numbers from their best test taken 2 seconds after it comes off the charger, and not run for long enough to actually start a rig. Call me a skeptic, but I've worked with marketing people before.

Sounds like you have a fun trip planned! Enjoy.

07 WK 5.7 QD2
4" lift, 33X10" tires
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post #6 of 17 Old 02-16-2017, 09:13 PM
nvrdone1
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I all ways have a jump box with me. so far ive only needed it once when my original battery decided to take a dump on me. but its suprising how many times ive used it to start other peoples vehicles.
for this trip I would take the extra battery, just make sure its fully charged before you leave & have fun
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post #7 of 17 Old 02-16-2017, 11:47 PM
azzkicker
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Quote:
Originally Posted by nvrdone1 View Post
I all ways have a jump box with me. so far ive only needed it once when my original battery decided to take a dump on me. but its suprising how many times ive used it to start other peoples vehicles.
for this trip I would take the extra battery, just make sure its fully charged before you leave & have fun
What kind do you have? It sounds like you've tested it a number of times.

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4" lift, 33X10" tires
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post #8 of 17 Old 02-17-2017, 03:04 AM
Hendrix9
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I also vote for bringing a second battery. I'd disconnect yours and try starting it with that one before hand though just to be super positive it'll work. (I tried to use the battery from my jetta TDI to start my 4.7 once and it couldnt do it)

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post #9 of 17 Old 02-17-2017, 04:32 AM
DirectMatrix
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If you're still entertaining jump starter packs, check out this guy. He has a...unique...approach to testing and recommending starter packs. Here's the link the the entire playlist of testing.

https://www.youtube.com/playlist?lis...1J4YanMKOt_I47

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post #10 of 17 Old 02-17-2017, 10:59 AM
underscore
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Quote:
Originally Posted by Mp5ben View Post
starting it up every 2 hours or so just to keep the battery topped off.
Won't that just make it worse? It takes a while to fully recharge a battery after starting a cold engine.
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post #11 of 17 Old 02-17-2017, 12:30 PM
RCS1300
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Make sure whatever you purchase has the correct amount of cranking amps for your engine. That small glove box stuff will not have sufficient sustaining amps if you have a starting issue.
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post #12 of 17 Old 02-17-2017, 02:10 PM
DuncsJeeps
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I carry one of these https://no.co/ works great.

I've only ever had to use it on other peoples vehicles, but it's worked every time.

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post #13 of 17 Old 02-17-2017, 07:10 PM
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if not going full size spare battery i would bring a U1 size lawn and garden battery (~$20-30) in a battery box (~$10). a U1 battery that i keep on the tender is my go-to for jump starting stuff around here

plenty of power and reserve for multiple starts if required
no electronics to protect the unit and shut it down when you need it most
easy to use with the jumper cables you already carry
portable, smaller than a full sized spare, easy to carry with one hand
can power winch or other 12v accessories for long periods of time

'05 WK Limited 5.7 Hemi
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post #14 of 17 Old 02-17-2017, 09:41 PM
stephens039
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I bought a portable battery jumper from walmart its a mighty brand. It was only $60 and used it 8 times so far. Only had to charge it when i first bought it still says i have a full charge.

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post #15 of 17 Old 02-18-2017, 10:36 AM
derpboss
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https://www.amazon.com/Lightning-Res...ing+jump+start

I've used this one to start my 5.7, my 4.7 and my ex's 2.2 saturn. Neither of the V8s were super dead, just left the radio on or some lights on too long kind of deal, but it starts them no problem. The 2.2 was sitting for a month+ in winter.

I'd lean towards the smaller ones honestly. The lithium batteries hold the charge longer then the big jump packs older style batteries.

I originally bought this one for my motorcycle, got a bad habit of leaving the key in it and this was small enough to not take much room in the bags. Was pleasantly surprised when it started my hemi.

You need to let them sit on the battery for 2-3 minutes before you try cranking them over, otherwise you just drain em and waste the stored enerhy trying to crank over without enough juice to get it done.

With that being said, This is the one I intend to eventually buy for my jeep, since this one really wasn't intended for my jeep. https://www.amazon.com/Antigravity-B...i+gravity+xp10
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