What EV Charger Do You Need for a 2024 Lexus RZ 300e?
A full charge takes 10.9 hours on Level 2 equipment. That speed easily covers normal driving needs while you sleep. The car accepts 32 amps maximum. Buying a larger unit gets you nothing.
The numbers
| Maximum AC charging rate | 6.6 kW (32 A) |
|---|---|
| Charger size to buy | 32 A |
| Circuit breaker required | 40 A |
| Outlet / connection | NEMA 14-50 outlet on a 40 A breaker, or hardwired |
| Charge port | J1772 |
| Full charge on Level 2 | about 10.9 hours |
| Range added per hour (Level 2) | about 24 miles |
| Full charge on a 120 V outlet | about 50 hours |
| Range added per hour (120 V) | about 5.3 miles |
| EPA rated range | 266 miles |
| Energy for a full charge | about 71.8 kWh at the wall |
Why 32 amps and not more
The onboard charger dictates your maximum speed. Pumping more power at the car does zero good because the internal hardware caps intake at 32 amps. A 40-amp breaker feeds the recommended EVSE properly. Look at the Grizzl-E Classic 40A or the Home Flex NEMA 14-50 if you want reliable hardware. They match your vehicle's peak rate without wasting money on overhead.
What the install involves
Call a licensed sparky to pull wire and land it on a 40 A breaker. You need a NEMA 14-50 outlet or a hardwired connection on the wall. Check that your main panel has spare capacity for the new load before buying parts. Hardwiring eliminates potential failure points found in standard garage receptacles.
Chargers that match this car
Rugged metal enclosure, built for outdoor use.
Portable cordset. Works on 120 V or a 240 V outlet.
Plugs into an existing 14-50 outlet, no hardwiring.
Worth having as well
Common questions
- What is the charging speed on Level 2?
- You get 24 miles of range per hour. A completely empty battery needs 10.9 hours to hit one hundred percent.
- Can I plug into a standard household wall outlet?
- Level 1 uses a normal 120 V outlet and takes 50 hours for a full fill. It delivers 5.3 miles of range per hour.
- What connector does the car use?
- Every non-Tesla EV sold in North America through 2024 uses the J1772 connector for AC Level 2 charging. You plug straight in without any special dongles.
- Do I need a bigger charger for faster speeds?
- No. The onboard hardware limits current draw to 32 amps. Anything higher runs below its potential.
Other vehicles
Charging times derived from EPA data for the 2024 Lexus RZ 300e (covering 2 EPA trim listings). Electrical requirements follow NEC 625.41, which sizes a circuit at 125% of a continuous load. Always have a licensed electrician verify your panel.