Compatibility answer
Can a 2026 Cadillac OPTIQ use a CCS1 DC Fast Charger?
Compatible — Adapter Required
Quick answer
Compatible — Adapter Required
Vehicle connector
NACS / J3400
Charger connector
CCS1
Compatibility summary
Works at CCS1 DC fast chargers with the approved CCS1-to-NACS DC adapter.
| Charging type | DC Fast Charging |
|---|---|
| Vehicle maximum | 150 kW DC / 11.5 kW AC |
| Documented on this configuration | Not verified |
| Adapter | GM CCS1 DC Adapter |
| Verification | Verified |
Which adapter do I need?
DC adapter
GM CCS1 DC Adapter
GM-approved CCS1 DC adapter for the MY2026 native-NACS Cadillac OPTIQ.
CCS1 → NACS / J3400OEM approval: Approved by Cadillac, GM
Adapter rating: 500 A / 1000 V
Adapter rating: up to 500 kW
- DC fast charging only; not compatible with NACS Level 2 or Tesla Destination AC equipment.
- Use the myCadillac app to confirm supported stations.
Important limitations
- Use the approved CCS1 DC adapter; do not use an AC adapter for DC charging.
- Actual access and charging speed depend on station configuration, vehicle state, and current network policy.
Sources
2026 Cadillac OPTIQ charging and NACSCadillac · manufacturer
↗GM CCS1 DC Adapter fitmentCadillac / GM · manufacturer
↗GM J1772 AC Adapter fitmentCadillac / GM · manufacturer
↗Last verified 2026-09-11 · Confirm current manufacturer and network information before use.