What EV Charger Do You Need for a 2027 Chevrolet Blazer EV SS?
Standard household panels can push plenty of power, but your car limits what gets stored in the battery pack. The vehicle draws a maximum of 48 amps on a Level 2 setup. Matching that hardware speed fills the 119.8 kWh battery in 10.4 hours. Plan for a dedicated 48 amp supply.
The numbers
| Maximum AC charging rate | 11.5 kW (48 A) |
|---|---|
| Charger size to buy | 48 A |
| Circuit breaker required | 60 A |
| Outlet / connection | hardwired (a 48 A EVSE must be hardwired -- no household receptacle is rated for it) |
| Charge port | J1772 |
| Full charge on Level 2 | about 10.4 hours |
| Range added per hour (Level 2) | about 29 miles |
| Full charge on a 120 V outlet | about 83 hours |
| Range added per hour (120 V) | about 3.6 miles |
| EPA rated range | 302 miles |
| Energy for a full charge | about 119.8 kWh at the wall |
Why 48 amps and not more
Your car accepts up to 48 amps of alternating current through the on-board charger. Pumping more current from a larger unit will not speed up the refill because the car caps intake at 11.5 kW. Buying a 60 amp or 80 amp home unit wastes money on capacity the vehicle rejects. Stick to the 48 amp limit. You will add 29 miles of range for every hour plugged into a Level 2 supply.
What the install involves
A 48 amp charger requires hardwiring because no household receptacle handles that continuous load safely. Call a licensed electrician to run a 60 amp breaker and heavy gauge copper wire from your main panel to the parking spot. The electrician must check the service panel to verify spare capacity before landing the wires. Hardwiring eliminates the failure points found in high amperage plug connections.
Chargers that match this car
Energy monitoring built in. Hardwire it for the full 48 A.
Compact unit, good for tight garages.
Adjustable from 16 A to 50 A in the app, which helps if your panel is tight.
Worth having as well
Common questions
- Can I plug this car into a standard wall outlet?
- You can plug into a standard 120 volt outlet using Level 1 equipment, but it delivers only 3.6 miles of range per hour. A full charge from empty takes 83 hours this way. Hardwire a Level 2 unit instead.
- What plug type does the car use?
- This model features a J1772 connector. Many vehicles in this model year ship with a NACS port and include a J1772 adapter. Confirm your exact port before buying hardware.
- Why does the EPA charge time differ from the peak rate?
- The EPA rated Level 2 charge time is 11.2 hours, yielding 27 miles of range per hour. Federal test procedures account for efficiency losses during energy conversion. Peak charger output runs slightly faster at 10.4 hours.
- Do I need an electrician for the install?
- Yes. A 48 amp load requires a 60 amp breaker and permanent hardwiring to the wall unit. Have a professional pull the circuit and inspect your panel capacity.
Other vehicles
Charging times derived from EPA data for the 2027 Chevrolet Blazer EV SS. Electrical requirements follow NEC 625.41, which sizes a circuit at 125% of a continuous load. Always have a licensed electrician verify your panel.