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Capri Tools UL-Listed Booster Jumper Cables, 4 AWG, 20 ft long

4.6 out of 5 stars 195 customer reviews
| 5 answered questions
List Price: $39.99
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20-ft, 4-Gauge
  • Enter your model number above to make sure this fits.
  • Essential safety and security tool (UL Listed) for every car and truck
  • Jumper cables are 20 ft, even long enough to jump automobiles that are parked behind each other
  • Extra-thick 4-gauge copper plated aluminum wire
  • Heavy-duty spring-loaded steel clamps, PVC coated for safety; copper jaws provide secure connection
  • Comes with convenient storage bag and 10-year warranty
› See more product details
5 new from $19.08 3 used from $15.73
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$19.08 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com in easy-to-open packaging. Gift-wrap available.

Frequently Bought Together

  • Capri Tools UL-Listed Booster Jumper Cables, 4 AWG, 20 ft long
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Size: 20-ft, 4-Gauge
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Product Information

Size:20-ft, 4-Gauge

Technical Details

Part Number CP20607
Item Weight 5.3 pounds
Product Dimensions 17 x 9 x 4.5 inches
Origin China
Item model number 21080
Size 20-ft, 4-Gauge
Material PVC coated, copper
Thickness 4 ga
Item Package Quantity 1
Cord Length 20 Feet
Number of Handles 1
Certification certified frustration-free
Included Components Comes with housing
Batteries Required? No
Warranty Description 10-Year

Additional Information

ASIN B0007U7I76
Customer Reviews
4.6 out of 5 stars 195 customer reviews

4.6 out of 5 stars
Best Sellers Rank #8,223 in Home Improvements (See top 100)
#13 in Automotive > Replacement Parts > Batteries & Accessories > Battery Accessories > Battery Jumper Cables
Shipping Weight 5.3 pounds (View shipping rates and policies)
Date First Available August 14, 2008

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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From the Manufacturer

Read more
Read more
12 ft Booster Cables 16 ft Booster Cables 20 ft Booster Cables
Length 12 ft 16 ft 20 ft
Wire Gauge 8-Gauge 6-Gauge 4-Gauge
UL-Listed ✓ ✓ ✓
RoHS Compliant ✓ ✓ ✓
Warranty 10-Year 10-Year 10-Year

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Customer Reviews

Top Customer Reviews

1.0 out of 5 starsReally low Quality 8 or 9 Gauge Cables.NOT 4 Gauge.
By desert rat on February 1, 2012
Size: 20-ft, 4-Gauge Verified Purchase
At first feel these cables appear heavy.Upon closer examination the rubber insulation is thick and heavy but the wire instead of being .236" in diameter it is less than half that size at only .115" in diameter.And so will only have half the current load carrying capacity of Real 4 Gauge Cables.This is false advertising.On top of that the alligator clips are so thin they tend to bend and distort when you try to open them.Made in China.Mine are being returned.
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3.0 out of 5 starsNot heavy duty
By Perry Patetic on December 9, 2010
Size: 20-ft, 4-Gauge Verified Purchase
"Heavy Duty" means something is made to be used a lot, that's not the case with these Made in China jumper cables. The clamps are low quality steel, and the wiggle in the hinged jaws doesn't inspire a lot of confidence in their potential longevity. Also, as another pointed out, this doesn't appear to be as big as either SAE or AWG 4 gauge multi-strand cable, and that's really important when you plan to carry low voltage, high amperage loads on a long wire (like starting a car 20 feet away).

All that said, these are probably more than capable of jumping a fairly big motor the few times in a car or truck's life you usually have to do that. The electrical connections look pretty good, and over all these look to be better than the truly cheapo, copper-colored-steel-clamped cables that come in most "roadside emergency" kits.

They get 3 stars for being a reasonably good value, but not living up to their advertising. They're probably worth just about the $25 total I paid, but it's not the great deal they appear to be, and I'm not sure whether I'd buy them again.
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3.0 out of 5 starsNot 4 gauge wire
By Jeff on December 8, 2010
Size: 20-ft, 4-Gauge Verified Purchase
I guess they're OK for the price, but they are not 4 guage wire, maybe 8 gauge. It would be nice if the wires were molded together to prevent tangling, but it's just 2 pieces of wire with a clamp on each end.
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1.0 out of 5 starsNot The Real Thing
By Uncle Bob on October 29, 2012
Size: 20-ft, 4-Gauge Verified Purchase
"Copper wire" means wire made of copper. At least that's what it used to mean back when I was in EE school. Here it means aluminum wire with a *very* thin coat of copper on top. The proper term for this stuff is "copper clad wire".

Why should that matter? Copper conducts electricity better than aluminum. It's also more expensive. If I pay for "copper wire" I expect to get it. Aluminum has half the conductivity of copper. In a battery cable, that means you need a cable that's twice as big if it's aluminum.

If you are looking for good jumper cables - look elsewhere. You can get the real thing for the price you are paying for these !!!!
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2.0 out of 5 starsNot 4 gauge wire
By SilverSurfer on January 8, 2012
Size: 20-ft, 4-Gauge Verified Purchase
I wish I'd read the reviews instead of just looking at the overall rating. I have some 6 gauge wire, and I compared that to these cables, and the copper strands in this cable are smaller than the 6 gauge I have, so I think it's 8 gauge at best. It'll start your car in most cases, it's only under pretty extreme conditions that it would make a difference, but if you buy 4 gauge that's what you should get. On the plus side, it came with a decent zippered case.
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1.0 out of 5 starsNot as advertised
By Kathy S. Hendrix on January 15, 2013
Size: 20-ft, 4-Gauge Verified Purchase
This was advertised as heavy 4-gauge copper wire. The item received was 4 gauge "copper-clad aluminum" wire. This is not even close to the advertised product. I am awaiting a reply from the supplier on the discrepancy.

I would not recommend this to a friend.
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3.0 out of 5 starsOk for the price
By hokey wolf on December 7, 2010
Size: 20-ft, 4-Gauge Verified Purchase
I won't go into the type of clamp used, as other reviewers have made mention of the clamp composition. One thing I noticed on the way the cable is connected to the clamp is there is a potential for a poor connection over time. The cable is not bolted or attached with a barrel type compression lug, but rather it is stripped on one side and a fold over type crimp is made to the copper portion of the jaw. I seriously doubt this type of connection will hold up over time, or even carry 500 amps. My other observation is the black and red cables are not secured together. Most booster cables are bonded together along the length of the insulation up to about the last 12" of each end. This set is basically 2 independent cables with clamps on the ends. The problem arises with the potential of "knotting up" the cables during storage and re-use. I used some heavy duty black cable ties to join them together along the length of the set. A quality electrical tape could also be used with the same result. In the warmer months, electrical tape has the tendency to "leak" the adhesive around the tape. This was the main reason I used cable ties; storage during the hot, southern summer months would certainly cause the tape to loose its adhesive qualities. Not a bad product, but keep in mind it is made comparable to the price point.
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4.0 out of 5 starsA close up visual is always important...
By Kent McKinney on January 19, 2009
Size: 20-ft, 4-Gauge
Excellent jumper cables for my son's automobile needs. The length is right, colors adequate, cable connection secured to clamps.

The only reason this product did not receive a five star was the image led me to believe the jaws where solid brass (similar to my old jumpers) but they are not.

Still good quality though and my son appreciated the cables!
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