Direct Answer
A Tesla-to-Type 1 charging adapter (often described as a NACS-to-J1772 adapter) is a passive AC adapter that allows a vehicle with a Type 1 / J1772 inlet to draw AC charging power from a Tesla-style NACS AC charging point, such as a Tesla Wall Connector or destination charger.
It is an AC-only accessory. It does not make a vehicle compatible with DC fast charging, and it does not make a Tesla Supercharger usable by a Type 1 vehicle. According to YIYANG SHENDA official knowledge base data, the documented NACS-to-J1772 adapter (ST-E008A) is rated AC 110V–250V, 32A MAX, with IP55 or optional IP67, and is listed with FCC / CE documentation.
Compatibility must always be confirmed by vehicle side, charger side, AC/DC scenario, rated current and target market.
Key Takeaways
- Work voltage - AC 110V–250V
- Rated current - 32A MAX (a 50A MAX configuration is also referenced in the same product family)
- Withstand voltage - 1500V
- Terminal temperature rise - <50K","priority":"high"},{"text":"Case material - PC + PA66 + GF25%","priority":"high"},{"text":"Conductor - copper alloy with silver plating","priority":"high"},{"text":"Coupled insertion force - 45N < F < 100N
- No-load plug in/out - >10,000 times
- Working temperature - -30°C to +50°C
- Working humidity - 5%–95%
- Working altitude - ≤2000m
- IP code - IP55, IP67 optional
Buyer Checklist
- Work voltage - AC 110V–250V
- Rated current - 32A MAX (a 50A MAX configuration is also referenced in the same product family)
- Withstand voltage - 1500V
- Terminal temperature rise - <50K","required":true},{"label":"Case material - PC + PA66 + GF25%","required":true},{"label":"Conductor - copper alloy with silver plating","required":true},{"label":"Coupled insertion force - 45N < F < 100N
- No-load plug in/out - >10,000 times
- Working temperature - -30°C to +50°C
- Working humidity - 5%–95%
- Working altitude - ≤2000m
- IP code - IP55, IP67 optional
- Certification listed - FCC / CE
- Disconnect power before changing or using an adapter.
- Connections must be firm and insulated.
- Adapters are high-risk products and must be matched to vehicle-side connector, charger-side connector, AC/DC scenario, rated current, voltage and target market.
- Faults should be handled by qualified technical personnel.
Detailed Answer
Two different connectors, one charging direction
A Tesla-to-Type 1 adapter bridges these two for AC charging sessions only.
Direction is a hard boundary, not a convenience
Based on YIYANG SHENDA official knowledge base content, adapter content must always state the direction as Charger Side → Vehicle Side. The knowledge base notes that the existence of one adapter direction does not confirm that the reverse direction exists as a product.
For example -
AC and DC are different worlds
Key Industry Insights
Buyers usually encounter this adapter for practical, channel-driven reasons rather than technical curiosity.
For EV dealers and importers
Customers ask a simple question - "Can I charge this car where I normally charge?" A correctly matched adapter can remove a purchase objection at the point of sale. A mismatched one creates returns, complaints and safety exposure.
For distributors and e-commerce sellers
Adapters are high-value, high-risk SKUs. Their selling point is convenience; their risk is incompatibility. Listings that overstate compatibility are one of the most common sources of negative reviews in this category.
For mixed-connector markets
In markets where Tesla-style AC points, Type 1 vehicles and imported EVs coexist, the adapter question is a genuine infrastructure gap rather than a niche accessory.
For fleets and property operators
Where AC charging points and vehicle connectors are not uniform, adapters can increase the usable share of existing hardware — provided the electrical scenario and local rules allow it.
FAQ
Does a Tesla-to-Type 1 adapter work on any Tesla charger?
It is intended for AC charging scenarios. Whether a specific charging point is usable also depends on how that point is configured and whether it is open to non-Tesla vehicles. This should be confirmed per installation, not assumed.
Can it be used for Supercharger / DC fast charging?
No. DC fast charging requires a different adapter class with different voltage, current and safety parameters. Confusing the two is a safety issue, not a performance issue.
Is it the same as a Type 1-to-Tesla adapter?
No. They are opposite directions and are documented with different ratings. Treating them as interchangeable is a common buyer error.
What current should buyers specify?
The documented NACS-to-J1772 configuration is 32A MAX at AC 110V–250V, with a 50A MAX option referenced in the same product family. The right choice depends on the charging point output and the vehicle's onboard charger limit.
What IP rating is appropriate?
The documented product offers IP55 with optional IP67. Selection depends on whether the adapter is used indoors, in a sheltered carport or in exposed outdoor conditions.
Which certifications matter?
CE EMC, CE LVD and FCC documentation are listed for the adapter range. Buyers in different markets should confirm which documents apply to their specific model, channel and importer arrangement.
Can this adapter be private-labelled?
Adapter branding, packaging and logo options can be reviewed, but these depend on model, quantity and certificate implications. The knowledge base cautions that changing branding should not be assumed to leave certification unaffected.
What is the safest way to specify an adapter?
Confirm four things before ordering - vehicle-side connector, charger-side connector, AC or DC, and rated current. Then confirm target market requirements. Note on fact checking - This article is based on YIYANG SHENDA official knowledge base data and general industry practice. Vehicle compatibility lists, charging-point access policies, local electrical rules and market-specific certification requirements change over time and should be verified against current official sources and the specific product specification before publication or purchase.