Heavy Duty Booster Cables with Clamps, Gauge 4G x 20 '

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SAFE & DURABLE: THIKPO UL-Listed jumper cables have higher copper content than the others without UL certification which is more durable. Patented design clamps covered with non-conducting rubber, it is safe enough for repeated use.
OUTSTANDING PERFORMANCE: Benefit from the high copper content (meet UL standard) of the copper-clad aluminum wire, G420 booster cables have excellent conductivity. Different from the other single-deck rubber covered jumper cables, this THIKPO Double-deck rubber covered cable are stronger and more wearproof.
UL CERTIFICATED: Every THIKPO jump cable passed the strict working temperature test which is up to the UL standard, it will work well in the extreme environment (-40℉~140℉). You can download and view the UL certification report in the guides and documents under this page.
UNIVERSAL MODEL: With 4 Gauge and 20 Ft length design, THIKPO booster jumper cable supports 600A peak current, it can start the cars with up to 6.0 L gas and 4.0 L diesel engine, suitable for various cars and connection ways.