|Item Weight||4.75 pounds|
|Item model number||87650108|
|Manufacturer Part Number||87650108|
Coleman Cable 08765 12-Feet Heavy-Duty Truck and Auto Battery Booster Cables with Parrot Jaw Clamps, 4-Gauge
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The Road Power Heavy Duty Booster Cables are suited for all vehicle typs including full sized trucks, vans, SUVs, and commercial equipment. Our premium jacket is water and chemical resistant and remains flexible up to -50F. These cables are 12 feet, 4 gauge and come with a limited lifetime warranty.
From the Manufacturer
Road Power commercial grade booster cables were engineered specifically for the needs of the professional mechanic and feature 500-Amp rated parrot-jaw clamps. Parrot-jaw clamps are manufactured from rugged zinc-plated steel with serrated copper-clad jaws and non-slip vinyl-coated grips. These booster cables are constructed with dual-extruded wire to provide the user with tangle-free operation.
Top reviews from the United States
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Hooked them up to my wife's car and mine and within 1 minute there was enough juice flowing to start it right up. I've used thinner gauge jumpers before and it can take 10-15 minutes to have enough juice going on to do an effective jump. I don't understand the physics of it all, but I'm convinced from my layman's viewpoint that a thicker gauge really does make a difference, and these are the best I've owned!
As for the cables themselves, they are just perfect for my needs. I wanted the extra length because with a big truck, you never know how your vehicles will be situated when you need a jump. I wanted them to be heavy-duty, because 6.7L diesels need serious cranking power. And I wanted the clamps that would attach securely to both top or "post" type batteries and side terminal batteries too. These clamps are ideally designed to do both, because they can clamp from the sides or the tip of the clamp.
Very happy with these cables.
While these cables are not cheap, think about how much a tow truck costs versus asking a buddy to pull up and open the hood. Amazon offers a fantastic price on all Coleman products, and if you qualify for free shipping, these cables will pay for themselves in one use.
I was looking for something that was reasonably priced but I knew would work if when she needed them (like the ones I have in my car). The low gauge and long length are important. I like the grips on these. Overall they seem well built. We've used them once and worked well.
Some reviews state the wires are solid copper. This is not true, at least not for the item we received. I can clearly see the ends of the wire and they are copper clad with aluminum in the center. Also, the manufacturers site states the wires are copper clad but effectively the same as four gauge copper.
For the price I'm very happy with this set of jumper cables.
(Update: After compairing them to the 4ga cables I bought a month or so back for my car, they don't really seem that much thicker... That's said they are MUCH heavier! The individual stranding is of a thicker gauge than the other model so I'm guessing that's why the thickness isn't much more...)
What I like:
--Length - I bought these for a half-ton pickup. Why? Because it never fails that your battery will fail to start your engine when your parked in a packed lot with cars on all sides. Rather than pushing a 3 ton vehicle out you pull the booster vehicle in as close as you can and let the length work for you.
--Heft - these cables are no joke. It's a workhorse grade cable that lets plenty of energy flow. When trying to start a 5.7L V8, that's kinda important.
--Solid Clamps - Unlike some of the other reviews, I don't have a problem opening my parrot clamps with one hand. But their hardly weak, they'll clamp solid and stay put!
(Update: If you really need 2ga booster cables and your skeptical of these, Deka makes a set of 2ga cables for around $150. I have no personal experence with them but I have a little with the Deka name and they seem pretty good.)
What I don't like:
--Stiffness - They're not as flexible as I was hoping. But about as flexible as I expected. True welding cable in 2ga is about $3 per foot and per cable. That's why the best jumper cables cost $200+. Still I was hoping for a little thinner stranding to promote flexibilty.
--Cable to Clamp - Like other reviews have mentioned the cable doesn't go all the way to a copper contact connected to the jaws. Instead. It's screwed to the body of the clamp then the copper jaws are also screwed to the body. Still fine I'm sure.
So why buy these cables aren't they overkill? I've had this argument with people before: "My 6ga cheapies start my truck fine." Well I will attempt to addess this. As the number in terms of gauge decreases the ammount of conductor increases. In other words 2ga has more (perhaps 50-100% more) conductor than 4ga. This doesn't automatically equate to twice as much power but it does certainly allow more power to flow safely. For those that aren't aware (and I'm not an electrical engineer here), resistance is the enemy of all electrical circuts. Resistance translates to heat in the same way that friction does when two physical surfaces rub together. Five basic factors contribute to resistance in a give curcuit and determine the appropriate line size. Ambient temperature, conductor, line distance, voltage, and amperage. Ambient temp we have no control over. Hot is bad so just assume the worst. This means bigger cable to overcome the additon resistance heat is producing. Conductor of these is copper so that's good. You want pure or at least a high purity mix of copper in this type of conductor. Distance and voltage. One of these cable's strengths also happens to be a weakness. Total run length for this circut is 50'. Pretty long for a low voltage system like 12VDC. The higher the voltage, the longer it can run on a given gauge wire without encountering too much voltage drop. 12VDC drops voltage on a circuit in a realatively short distance. So heaiver gauge lines are needed to prevent this. Amperage is also a big consideration. The more amps a load pulls the more resistance the circut will generate. Basically on a small wire, a large load will generate a lot of heat and one of two things will happen. 1) the wire will melt and/or catch on fire. 2) The load your trying to power won't work. And make no mistake, starting even a small engine takes a LOT of energy! So bringing it all together. Large load, low voltage (that we don't want to make in lower), and a long distance run means that you wan the heaviest cables you can find. Addressing the orignal question and statment. 6' 6ga cables might start your small-block fine. But if you want or need the extra length, you need to consider heavy gauge cables. That said I've personally seen light duty cables melt and smoke from starting an engine too big for them.
Are these right for you? So these will run you close to $100 shipped...do you actaully need them? I own both these and the Coleman 4ga 25' booster cables. Having no offical training and with no real sizing charts on the packaging I would say this. The 4ga will do you fine at the 25' length for engines up to 5-liters or so (and honestly probably up to about 6L as well.) Anything bigger than that and you should be considering these or something even better.
Also protect your investment. Buy a cable bag for them to keep them neat and protected. Also keep the twist ties that came with them to keep them organized inside your bag. I have the Arsenal #5888 cable organizer and it works great for this. Remember too to clean and inspect your cables after each use to prolong their life and keep you safe.