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    Have served over 7,000,000 customers since 2016.

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AstroAI Jumper Cables Kit for Car, 4Gauge 20Feet




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  • Safety First: All the craftsmanships meet UL testing standards. Upgraded designs like copper-clad aluminum (CCA), more flexible cable, and multi-functional clamp ensure a safe using environment and better user experience. Ideal for use with cars, motorcycles, trucks, vans, SUVs. Ideal gifts for women and men.
  • Fast Charging: Heavy-duty 4 gauge cables with larger capacity support 600A peak current for 6.0 L gas and 4.0 L diesel engine. Double grip crimps with superior connectivity, and high-quality thicker cooper help to charge dead batteries quicker and safer.
  • Premium Quality: Sturdy construction made of high-quality material ensures a long service life with extended reliability. Temperature-resistant jumper cables can remain flexible even temperatures as low as -40°F (-40°C), the perfect choice for battery charging in winter.
  • Easy to Use: 20 Feet long jumper cable is suitable for most occasions, especially for the length between the good vehicle and dead vehicle exceeds 10 feet or even longer. The multi-functional clamp can perfectly fit different shapes of car batteries.
  • Package Content: 4 Gauge x 20 feet jumper cable, portable bag, safety gloves, and battery cleaning brush for cleaning gunk off the battery terminals. * 5 Years Warranty. If you have any concerns with our products, please feel free to contact us.

AstroAI 4 Gauge x 20Ft Jumper Cables


AstroAI 4 Gauge x 20Ft Heavy Duty Jumper Cables is your ideal choice for 12-volt automotive when it accidentally runs out of battery on the road. It can help you out of such a dilemma on most occasions for its long-enough cables and heavy-duty capacity. It is a must especially for winter for it can withstand temperatures as low as -40°F (-40°C).

  1. Connect the positive (+) cable to positive (+) terminal of dead battery
  2. Connect the other end of the positive (+) cable to the positive (+) terminal of the booster battery
  3. Connect the ground (-) cable to the negative (-) terminal of the booster battery
  4. Connect the other end of the ground (-) cable to the engine block or other unpainted piece of metal connected to the stalled vehicle
  5. Start the running vehicle and remove cables in reverse order of connection

Charge Battery Faster and Safer

  • Double Insulation Surfaces

    Special double insulated design of clamps and wires are shielded to prevent short circuits, ensuring a safe environment when charging the car battery.

  • Multiple Clamp Tongue

    Tongue inside can easily connect to both side-terminal and top-post batteries with different shapes.

  • Double Grip Clamp

    Double grip design reduces the amount of heat for safer and quicker transmission when charging.

Premium Materials ensure Longer Lifespan

  • Thicker Spring

    Strong spring with better tension helps extend clamps to the position you want and avoid falling apart.

  • Special Mental Cable Grip

    Mental cable grip with dip plastic material for better high-temperature resistance, insulation, wear-resistance.

  • UL Listed

    Compared with other cables, AstroAI jump cables insulation will not break up or tear easily. They also create uniform heat dissipation, and provide low-temperature resistance(-40C/-40F).


Warranty Period: 60 months

When you purchase products from our website, we will extend the warranty automatically.
you may check details on the My Warranty page after the product is delivered.

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