SEGUMA NACS EV Extension Cable — 20–21 ft 50A 240V Charger Cord, IP66 Weatherproof

SEGUMA's 20–21ft 50A NACS extension cable is a rugged, weatherproof 240V charger cord that extends Tesla Level 1/Level 2 charging reach without altering onboard charge controls.

If your charging location sits too far from your Tesla's charging inlet, this SEGUMA NACS extension cord gives you the extra length and amperage to keep charging convenient. Built for regular use with high-strength materials, IP66 weather protection, and compatibility with Tesla Wall Connectors, Destination Chargers and mobile chargers, this cable focuses on safe, stable charging at up to 50 amps. It does not, however, enable Supercharger access or operate Tesla charge-port doors.

How much additional reach and power does this extension provide?

The SEGUMA extension measures roughly 20–21 feet, giving you substantially more distance between your Tesla and the fixed charging unit. It supports up to 50 amps at 240 volts—suitable for faster Level 2 charging when paired with compatible Tesla equipment.

• Length: ~20–21 ft for greater parking flexibility.
• Power: Rated 50A at 240V for up to about 12 kW charging capacity.
• Use case: Ideal for home garages, driveways, and other locations where the charger is offset from the vehicle.

Will this cable work with Tesla Superchargers or open my car’s charge port?

No. This NACS extension is not compatible with Tesla Superchargers and does not control the vehicle's charge-port door. The cable extends charging connections for Wall Connectors, Destination Chargers, and mobile chargers only.

• Supercharger: Not supported—do not use at Supercharger stalls.
• Charge-port door: The button on the cable does not trigger Tesla charge-port mechanisms.
• Recommended pairing: Wall Connector, Destination Charger, or Tesla mobile chargers (16A/32A).

How durable and weather-resistant is the SEGUMA extension cord?

The cord is built with high-strength TPE insulation and 5-micron silver-plated copper conductors for durability and reliable conductivity. It carries an IP66 rating for protection against heavy sprays and dust, making it suitable for outdoor and indoor environments.

• Material: UL 94 V-0 compliant TPE sheath for toughness and flame resistance.
• Conductors: Silver-plated copper for improved conductivity and corrosion resistance.
• Ingress protection: IP66 rated to resist rain, splashes, and dust exposure.

Is the SEGUMA extension convenient to carry and supported by warranty?

The cable is designed to be portable and comes with a carrying bag for easy storage and transport on trips. SEGUMA provides a one-year manufacturer guarantee and 24/7 support for quality or operational questions.

• Portability: Lightweight design plus a dedicated carrying bag included.
• Support: 1-year manufacturer warranty on quality issues.
• Service: Customer support available for setup and troubleshooting.

Who is this for: The SEGUMA 20–21ft 50A NACS extension cord is aimed at Tesla owners who need extra reach from a compatible Level 1 or Level 2 charger—particularly those who park a short distance from their fixed charger, travel with portable chargers, or need a rugged outdoor-capable cable. It suits owners of Model 3, Y, S, X and Cybertruck looking for a durable, weatherproof extension rated for 50 amps. If you require Supercharger use or remote control of the charge-port door, this product is not suitable.