Description
Product Overview
The Q L Enterprises ToughFlex 4AWG battery cable is engineered for high‑performance automotive applications. Constructed from premium copper, it delivers a 600‑volt rating and can withstand temperatures up to 105°C when dry. Each 60‑inch length terminates with a 5/16‑inch stud lug on one end and a 3/8‑inch stud lug on the other, both protected by heat‑shrink tubing for added durability. The cable meets UL listing and ASTM B‑172 standards, offering oil and flame resistance for reliable operation in harsh conditions.
Usage
Designed for starter battery connections, jumper cables, and replacement switch‑to‑starter cables, this product excels in both daily commuting and high‑performance scenarios. Its flexible yet robust construction makes it suitable for tight engine bays, race‑car setups, and heavy‑duty trucks. Ideal for mechanics, automotive enthusiasts, and fleet maintenance teams seeking a dependable power link.

Why Choose Us
Q L Enterprises combines decades of manufacturing expertise with rigorous quality controls. Every cable undergoes UL testing and conforms to ASTM standards, guaranteeing consistent performance and safety. The heat‑shrink ends protect against abrasion and corrosion, extending service life and reducing maintenance costs.
Key Features
- 4 AWG ultra‑flexible copper wire for superior conductivity
- Heat‑resistant up to 105 °C dry, oil and flame resistant
- Dual stud lugs (5/16″ and 3/8″) with heat‑shrink protection
- UL listed and ASTM B‑172 compliant for safety assurance
- 60‑inch length provides versatile reach for most vehicle applications
FAQ
What vehicles is this cable compatible with?
The 4AWG ToughFlex cable fits a wide range of gasoline, diesel, and hybrid vehicles that use standard 5/16″ and 3/8″ battery stud connections.
Can the cable be used in high‑temperature environments?
Yes, the jacket is rated to resist temperatures up to 105 °C when dry, making it suitable for engine compartments and performance applications.
Is the cable UL listed?
Absolutely. The cable meets UL listing requirements and conforms to ASTM B‑172 standards for automotive battery cables.
How does the heat‑shrink termination improve durability?
Heat‑shrink tubing seals the lug connections, protecting against moisture, corrosion, and mechanical wear, which extends the cable’s service life.
What is the warranty on this product?
Q L Enterprises offers a one‑year limited warranty covering manufacturing defects and material failures under normal use conditions.







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