No. J1772 is the North American connector for AC charging — the plug behind Level 1 and Level 2 — and it also forms the upper half of the CCS1 fast-charging connector. CHAdeMO is a completely separate DC fast-charging standard, developed in Japan, with its own dedicated round inlet and its own communication protocol. The two never share a socket, and no adapter crosses between them.
Key Takeaways
- J1772 is an AC connector (and the upper half of CCS1); CHAdeMO is a separate DC-only system. They are not the same.
- CHAdeMO has its own round inlet and its own data link; a CHAdeMO car uses a second, separate inlet for AC charging.
- No adapter crosses between J1772 and CHAdeMO — the boundary is protocol-deep, not just shape.
- Buy chargers and adapters against the exact inlet on your car.
Two Different Jobs: AC In, DC In
The deepest difference is the kind of current each one carries. A J1772 connection delivers AC power to the car, and the car’s onboard charger converts it to DC for the battery — that is the Level 2 territory the U.S. DOT puts at 7–19 kW. A CHAdeMO connection delivers DC power straight to the battery, with the conversion done by the station; how DC fast chargers work explains why that split decides charging speed. Same destination — the battery — by two unrelated routes.
Side by Side
| Dimension | J1772 | CHAdeMO |
|---|---|---|
| Current type | AC (Level 1 and Level 2) | DC fast charging only |
| The inlet on the car | The car’s AC inlet; the same upper section also sits on top of a CCS1 inlet | A separate, dedicated round inlet used for nothing else |
| Where you meet it | North America (the Type 1 connector) | Japan first; fitted mainly to Japanese-market EVs sold worldwide |
| How car and charger talk | Signal contacts in the plug announce presence and current limit before power flows | Its own digital data link between car and charger runs the whole session |
| Adapters | Adapters exist on the AC side — for example NACS-to-J1772 for AC charging | No adapter converts to or from CHAdeMO; the protocol boundary is total |
Why the Confusion Happens
The names collide on the same cars. A CHAdeMO-equipped car still needs AC charging at home, so it carries a second inlet — J1772 in North America — behind the same charge-port area. Owners meet both names in the manual and reasonably assume they are versions of one system. They are not: they are two independent standards that happen to share a car. J1772’s second role adds to the muddle — because it forms the top half of CCS1, it appears in fast-charging conversations too, as how J1772 works with CCS sets out. CHAdeMO plays no part in that arrangement at all.
The background of each standard is covered in our explainer on what J1772 is; the wider landscape is compared in Type 2 vs J1772 vs NACS.
What This Means When You Buy a Charger
Buy against the inlet your car actually has. The EV-AC04001U is a 40 A J1772 portable charger (9.6 kW, NEMA 14-50P, IP66, 25 ft cable): it serves any J1772 inlet, including the AC inlet of a CHAdeMO car — for AC charging. Where a site offers only NACS plugs, the JT02 adapter (AC only, up to 80 A, IP65) presents a J1772 shape to the same inlet. Stated plainly: no EVDANCE charger uses CHAdeMO, and nothing in the range converts to or from it — a CHAdeMO car’s fast charging stays on CHAdeMO stations.
Frequently Asked Questions
Can a CHAdeMO car charge on a J1772 charger?
Yes — on AC. CHAdeMO cars carry a separate AC inlet (J1772 in North America) for home and destination charging. The CHAdeMO socket itself stays DC-only; the two inlets sit side by side and do different jobs.
Can an adapter let a J1772 car use a CHAdeMO station?
No. The difference is not plug shape but current type and protocol: the station speaks CHAdeMO’s own digital session language to a DC inlet the J1772 car does not have. No consumer adapter translates between the two systems.
Why do new North American stations rarely add CHAdeMO?
Funded infrastructure is specified around other inlets: under the NEVI rule, corridor DC ports must offer CCS1, and car makers have moved their North American models to CCS1 or NACS inlets. Check a station’s listed connectors before relying on it for a CHAdeMO car.
Related Reading
- What Is J1772? The North American EV Plug Explained
- Does J1772 Work With CCS? CCS Connectors Explained
- How Do DC Fast Chargers Work?
- Type 2 vs J1772 vs NACS: Which EV Charger Connector Does Your Market Need?
