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Sears has the Die Hard 12 ft. 175A 8 Gauge Booster Cable for $35 - $26 off in cart = $9 with free in-store pickup only. Has copper plated jaws, color coded cables, and vinyl coated clamps.
$9
Retail: $35
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YIPPIE KAY YAY MOTHER JUMPER!
Beware, these are 8 gauge copper clad ALUMINUM wires.
Good call, I was just about to jump on a pair.
Copper plated jaws too... kind of ironic that in an effort to fool people, they plate them with copper which is worse than no plating at all since the copper plating oxidizes faster than if it were bare steel. Far better would be copper with a nickel plating.
Then again, that plus copper wire would result in a higher price. If you only use them once in a blue moon, there's no need to put a lot of money into something that just sits in your trunk.
Uh, no. Even the short batt. cables under your car's hood are at least 4 ga. which should tell U that these are not good 'enuf. U can buy wire and clamps and make a better set than these. Many scrap dealers/welding supply shops will sell short pcs. of cable for just the cost of the weight of the metal. A little work maybe, but better than this POS.
^ That's not as relevant as you imply. Jump starting a car the starter cable carries all the current, while you aren't supposed to be trying to pull all the current from the other vehicle, rather the jumper cable is to put some charge into the battery of the dead vehicle then provide supplementary current while trying to start.
Even so, yes if you are in a situation where you are trying to pull all the current for starting from another vehicle then get a lower gauge set, and get one with screw-on clamps not the alligator jaw style.
The reason for this is that the cable itself is not the bottleneck, rather it is the (few millimeters at most) contact of the claws on the terminals that causes more resistance than an 8 ga. wire vs 4 or 6. You can lower the resistance a little with larger diameter cable but that's still swamped by the clamp resistance.
Yes you can easily buy cable and clamps and make your own, and have a better result if it is done right. It will cost more than $9 and there's little point in doing it because if you're willing to pay more you can just buy a lower gauge ready made jumper cable.