Best Home Charger for the Rivian R1S / R1T
By LarryLeo · Updated October 4, 2026 · Based on manufacturer specs, not hands-on testing
Short answer
A 48-amp Level 2 charger on a 60-amp circuit, matched to your port type.
| Charge port | J1772 / CCS1 on earlier models; NACS on newer models |
|---|---|
| Onboard AC charger | About 11.5 kW AC (48 amps) |
What to look for
- Big batteries benefit from the full 48 amps.
- Any certified J1772 charger works with J1772-port models.
- Confirm your port type, as Rivian has been moving to NACS.
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Safety: have a licensed electrician install any 240V circuit. Specs can change between model years, so confirm yours in the owner's manual.
Source: Rivian — Charging