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Need Help? Contact Tesstudio
Our support team is available via WhatsApp and text message at:
+1 (626) 412-7352
+86 191 2063 1131
+86 190 2201 1181
We’re here to help.
— Tesstudio Support Team
Tesstudio Offline Technical Support Store(Installation+Modified)
Located in : 14451 Franklin Ave, Tustin, CA 92780, USA
Technical Support: +1(657)543-9876 or
+1 (657)565-1007
(note:This phone number provides technical support only.For other services, please contact:
Email: support@tesstudio.com
WhatsApp:+17143179647)
Technical Support Time : Mon-Fri 8:30am-5:30pm
We offer a one-year warranty ( We provide one year of after-sales service for product issues not caused by human damage )
We ship all orders via trusted carriers like FedEx, USPS, UPS, or SF Express.
Enjoy free shipping on all orders! In-stock items are processed and dispatched within 1–2 business days, with domestic US delivery typically taking 3–7 business days.
For pre-orders or temporarily out-of-stock items, shipping will follow the timeframe provided on the product page.
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Tesla Model 3 / Y / S / X — 48A EV Charging Extension Cable
Power up your Tesla with confidence. This premium 48A EV charging extension cable from Tesstudio is UL/ETL-certified, thermal-protected, and engineered for safe, fast Tesla charging at home or on the road. With a 16FT reach and a convenient one-button switch, it delivers the flexibility and reliability every Tesla owner needs.
Specifications
- Connector Type: NACS / Tesla
- Max Amperage: 48A
- Cable Length: 16FT (approx. 4.9m)
- Switch: One-button on/off control
- Certification: UL / ETL certified with integrated thermal protection
Key Features
- High Amperage Support: Supports up to 48A for fast and efficient Tesla charging
- Extended 16FT Reach: Provides flexibility to charge from a greater distance — ideal for home garages and outdoor use
- One-Button Switch: Easily turn charging on or off with a single press for added convenience
- Durable Construction: High-quality materials built to withstand daily use and outdoor conditions
- UL/ETL Certified Safety: Integrated thermal protection ensures safe operation at all times
- Tesla-Specific Fit: NACS connector designed specifically for Tesla Model 3, Y, S, and X
Why Tesstudio
- Tesla-Specific Engineering: Every product is custom-designed and tested specifically for Tesla vehicles — not generic, retrofitted parts
- Direct from the Maker: We design, source, and ship in-house, eliminating middlemen so you get premium quality at fair prices
- Backed by 30-Day Returns: Try it risk-free. Send it back within 30 days for a full refund
- 1-Year Warranty: All products are covered against manufacturing defects with responsive customer support
- Trusted by 100,000+ Tesla Owners: Join the Tesstudio community — the upgrade brand recommended by Tesla owners worldwide
Frequently Asked Questions
Is this cable UL/ETL certified?
Yes — UL and ETL certified with integrated thermal protection for safe operation at all times.
Does the one-button switch open the Tesla charge port door?
No. The button controls the charging circuit only — it does not operate the Tesla charge port door.
How fast will my Tesla charge?
Charging speed depends on your Tesla model, home charger rating, and outlet amperage. This cable supports up to 48A for maximum compatibility.
Can I use this outdoors or in the rain?
Avoid exposing the cable to direct moisture or extreme temperatures. Store indoors when not in use to extend product life.
What is the warranty period?
12-month warranty against manufacturing defects, with responsive Tesstudio customer support.
Q&A
We provide assistance through email, live chat, and detailed installation guides. Additionally, we offer step-by-step tutorial videos featuring influencers to help you with the process.
We offer a one-year warranty (two years for some products).
Yes, the product can be removed after installation without affecting the original wiring harness of the vehicle.
We offer free returns and exchanges if there are any quality issues with the product upon receipt by the customer.







