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Best portable battery jump pack / jump box / jumpbox ?

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Old 12-22-2011, 11:25 PM
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Originally Posted by byrideroffshore View Post
used lots of them, jumpncarry 660 hard to beat
I hope so...I just ordered one...they r at a killer deal on amazon right now.
http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER

all work ok on cars and most trucks...diesel trucks have more demand...but the ones in the stores DID NOT have the a$$ to start my dozer that i left on a site (key on) to go other equipment to get it unstuck...

i'll let ya know how my new 660 does on a dead dozer when it get's here!
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Old 12-23-2011, 06:18 AM
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Originally Posted by audacity View Post
I hope so...I just ordered one...they r at a killer deal on amazon right now.
http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER

all work ok on cars and most trucks...diesel trucks have more demand...but the ones in the stores DID NOT have the a$$ to start my dozer that i left on a site (key on) to go other equipment to get it unstuck...

i'll let ya know how my new 660 does on a dead dozer when it get's here!
That's a killer deal. Less than dealer pricing!

+1 for the Jump n Carry. They last.
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Old 12-23-2011, 09:30 AM
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Originally Posted by Biggus View Post
That's a killer deal. Less than dealer pricing!

+1 for the Jump n Carry. They last.
ditto on that one BIG Daddy , have had real good luck with the JNC and at this price just picked up 3 more this a.m. but wont make it time for santas sleigh




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Old 12-23-2011, 11:13 AM
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Bought a cheaply from Meijer for $65. It has never let me down. I make sure to check it often and keep charged.
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Old 12-23-2011, 05:27 PM
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K&K Jump start 660 the best one out there currently. And it still has a one year warranty including the battery. The new ones have the auto charge so it will go into trickle if plugged in to long.

The new Snap-On is a rebranded Schumacher I have had trouble with the Schumacher ones.

On booster packs two things kills them improper charging over/under and using them to diagnose a no start. They are designed to start a car that will start on the first or second try not crank the starter for 30 seconds. If you do that you will overheat the battery and ruin it.
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Old 12-23-2011, 10:07 PM
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my 660 just showed up from amazon via ups. it was too cold today to go test it out on the dozer...the tracks were for sure froze in the ground.
for $325 to now $125 is one killer deal and i want to make sure it starts the engine on the dozer before i buy more. the company warranty and the amazon offer is about the best out there. on top of that i got a special coupon after all the normal great warranties for an anytime $75 "heck run it over with a semi-truck" and send some of the pieces back and get a new one!
all the big box store units did not start the dozer. some would turn it over while some would not. none that fast! i would suspect that some of the marine SC engines out there would be about the same! i was going to buy another and combine em to just get the damn thing off that site, but 3 days later i now have this one. from all the stuff i have read, this brand is the one to have. i dig that the charger is built in and you just connect any extension cord to charge it. or use the supplied male to male cigarette lighter plug to charge. i also like that it takes a charge from there and supplies power from it too. built in auto breakers.

happy h-days to ya
cheers
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Old 01-22-2012, 09:53 PM
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Quote:
Originally Posted by Biggus View Post
That's a killer deal. Less than dealer pricing!

+1 for the Jump n Carry. They last.
thought i would post how good this box is...and they are still on sale.

it's been in the single digits here and i've had to use it a few times on heavy equipment since. one diesel wouldn't light and i killed the battery. hooked up the box and i got more time running the starter than the fresh battery that's in it.

like i said i've used other boxes and they've been a joke....so i have never taken them seriously to use them where i would need them. knowing how good this company/these boxes can be; we should have investigated them sooner for jumping a turbines 24v system.

have a good winter guys!

Last edited by audacity; 01-22-2012 at 09:58 PM.
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Old 01-22-2012, 10:21 PM
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i also have the jnc 660,its 4 years old and still works like new!
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Old 05-25-2016, 07:30 AM
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purchasing a replacement portable jump start for the boat,any new recommendations?

thank you
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Old 05-25-2016, 02:24 PM
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JNC660 is still what we use. We have 3 of them and one has the air compressor. Had one battery fail in one at about 4 years old. New batteries are only $40 shipped though.
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