Tesla Extension Cord 21ft (NACS) – 50A / 12kW High-Power EV Charging Extension …

Tesla Extension Cord 21ft (NACS) – 50A / 12kW High-Power EV Charging Extension for Model 3 / Y / S / X / Cybertruck

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The Tesla Extension Cord 21ft (NACS) is a high-power AC charging extension designed to safely extend the reach of your existing Tesla Mobile Connector or Tesla Wall Connector. Rated for up to 50A at 110–240V (12kW), it delivers dependable, everyday charging flexibility for garages, driveways, and outdoor setups—without relocating your charger.

Important notes:
• The button on the handle does not open the Tesla charge port (it can release the plug).
• Not compatible with Tesla Superchargers (DC fast charging).
• This is not a charger—use it with a Tesla charger to extend cable length.

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Professional Overview & Technical Analysis

Extend Your Charging Radius—Up to 45 Feet

Combine this 21ft extension with the standard ~24ft Tesla charge cable to achieve up to 45ft total reach. This eliminates parking constraints and avoids costly rewiring or charger relocation.

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High-Power Performance (50A / 12kW)

• Max current: 50A
• Voltage: 110–240V AC
• Power: Up to 12kW
• Adds ~44 miles of range per hour (vehicle/charger dependent)

Designed so the extension cable itself is not the bottleneck for Level 2 AC charging.

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Safety-First Construction

• UL certified and tested beyond 20,000 plug cycles
• Intelligent temperature & short-circuit protection
• Premium materials for stable conductivity and long service life

These protections support safe, reliable charging for daily home use and travel.

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Broad Compatibility (NACS)

• Works with **Tesla Model 3, Model Y, Model S, Model X, and Cybertruck
• Compatible with Tesla Mobile Connector and Tesla Wall Connector
• Can be used alongside Tesla↔J1772 adapters when needed (adapter sold separately)

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Travel-Ready Convenience

• Includes a premium carry case for clean storage
• Suitable for indoor and outdoor environments
• Durable jacket and strain relief for frequent handling

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Key Specifications (At a Glance)

• Length: 21 ft
• Connector: Tesla NACS
• Current / Power: 50A / up to 12kW
• Voltage: 110–240V AC
• Use: Level 1 & Level 2 AC (with Tesla charger)
• Certifications: UL
• Included: Carry case

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Frequently Asked Questions (FAQ)

Q1: Does this open the Tesla charge port door?
No. The button does not open the door; it can release/unplug the connector.

Q2: Can I use this with Superchargers?
No. Superchargers are DC fast chargers and are not supported.

Q3: Will it slow my charging speed?
No. Rated for 50A / 12kW; actual speed depends on your charger and vehicle limits.

Q4: Is it safe for outdoor use?
Yes. It’s built with premium materials and protective systems for everyday indoor/outdoor charging.

Q5: Is this a charger?
No. It extends an existing Tesla charger cable.

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Who Should Choose This Tesla 21ft NACS Extension?

• Tesla owners needing extra reach without rewiring
• Homes with tight garage layouts or shared parking
• Drivers who want a UL-certified, high-power extension
• Travelers who value portable, organized charging gear

For Tesla drivers seeking a safe, powerful way to extend charging distance, this 21ft NACS Extension Cord delivers flexibility, durability, and peace of mind.

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