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EV Charging Cables · SKU KH-3.9

J1772 Extension Cord

EV Charging Cable — factory-direct, OEM/ODM available

Power: 3.5kW/7kW Rating: IP55 (when closed)

The J1772 extension cord adds reach to existing North American charging setups — 110V/240V AC with a current range running to 80A, covering everything from household Level 1 to high-amperage Level 2 stations. The broad gear range means one SKU serves both light and heavy installations. Silver-plated contacts, IP55, UL94-V0, and 10,000+ plug cycles. The workhorse extender for the North American aftermarket.

Best for: North American aftermarket workhorse  |  Related: EV charging standards explained · EV charging cable types guide

Custom connector, cable length, branding and packaging available on OEM/ODM orders.

Technical Specifications

Charging Power3.5kW/7kW
Current Gear16A/32A/40A/48A/80A
Rated Voltage110V AC/240V AC
Operating Frequency50Hz ± 2Hz
Charging MethodPlug and Play
Conductive PinsCopper Alloy Plated with Silver
Protection RatingIP55 (when closed)
Flame Retardant GradeUL94-V0
Shell MaterialThermoplastic Engineering Plastic
Sealing MaterialRubber, Silicone
Contact Impedance0.5mΩ Max
Mechanical LifeNo-load plugging and unplugging > 10,000 times
Operating Temperature-25°C ~ 65°C
Cooling MethodNatural Air Cooling
Operating Altitude≤ 2000m
TypeJ1772 Extension Cord
Safety FunctionsWaterproof and dustproof, flame-retardant material, automatic power-off when fully charged, leakage protection, overvoltage protection, charging anti-theft design with intelligent safety locking. Supports vehicle electronic charging lock function.

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