50A 21ft J1772 EV Extension Cable – Level 2, 240V Heavy-Duty Extension Cord fo …

50A 21ft J1772 EV Extension Cable – Level 2, 240V Heavy-Duty Extension Cord for Fast Charging

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The 50A 21ft J1772 EV Extension Cable is a professional-grade Level 1 & Level 2 AC charging extension engineered to extend your charging reach without sacrificing safety or performance. Rated for 50 Amps at 240V, ETL listed, and built for all-weather use, this extra-long cable lets you park freely and charge reliably at home, in garages, or at public lots where the charger is just out of reach.

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Professional Overview & Technical Analysis

Extended Charging Reach — Park Anywhere, Charge with Confidence

• Adds 21 feet of reach to your existing charger
• Compatible with all J1772 EVs and SAE J1772 Level 1 & Level 2 chargers
• Ideal for tight garages, shared driveways, and inconveniently placed public chargers

This extension solves real-world layout constraints without relocating your charger or rewiring.

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Fast & Stable Power Delivery (50A / 240V)

• Rated current: 50 Amps
• Voltage: 240V AC
• Designed to support professional-grade Level 2 charging without voltage drop or instability
• ETL listed for safe, efficient, worry-free operation

Your charging speed remains determined by the charger and vehicle—not the extension cable.

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Weatherproof & Heavy-Duty Construction

• IP66 waterproof rating for rain, snow, and dust
• UV-resistant jacket to withstand sun exposure
• Built for indoor and outdoor use across seasons

Charge confidently in harsh conditions while protecting connectors and conductors.

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Ergonomic, Durable Design for Daily Use

• Premium copper wiring for low resistance and consistent current flow
• Flame-retardant outer jacket for added safety
• Flexible, tangle-resistant handling reduces strain during coiling and storage

Designed to endure frequent plug/unplug cycles in everyday charging routines.

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Certified & Trusted Safety

• ETL listed
• UL certified
• SAE J1772 compliant

These certifications confirm the cable meets recognized North American safety and performance standards for EV charging accessories.

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Frequently Asked Questions (FAQ)

Q1: Which vehicles and chargers are compatible?
This extension works with all J1772 EVs and SAE J1772 Level 1 & Level 2 chargers.

Q2: Will this extension slow down my charging speed?
No. The cable is rated for 50A / 240V. Actual charging speed depends on your charger and vehicle limits.

Q3: Is it safe to use outdoors year-round?
Yes. With IP66 waterproofing, UV resistance, and a flame-retardant jacket, it is suitable for outdoor use in most climates.

Q4: Can I leave it connected permanently?
Yes, provided all connections remain clean, secure, and undamaged. Periodically inspect connectors for debris or wear.

Q5: Is this compatible with DC fast charging?
No. This is an AC extension cable for Level 1 & Level 2 charging only.

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Who Should Choose the 50A 21ft J1772 EV Extension Cable?

• EV owners needing extra reach without moving chargers
• Homeowners with garage or driveway constraints
• Drivers relying on public Level 2 chargers with awkward placement
• Anyone prioritizing certified safety, durability, and all-weather reliability

For J1772 EV drivers who want flexible parking and dependable power, this 21ft 50A EV Extension Cable delivers certified performance and peace of mind—wherever you charge.

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