Sonic Drive-In
121 W Bandera Rd, Boerne, TX 78006
- Max power
- Up to 7.2 kW
- Level 2
- Charging ports
- 2
- J1772
- Price
- Free
- No charging fee listed
- Hours
- 24/7
- Open all day
Sonic Drive-In is a Level 2 station run by Independent at 121 W Bandera Rd in Boerne, TX. It has 2 charging ports with J1772 connectors and delivers up to 7.2 kw. Charging is free, and the site is open 24 hours a day.
How long will charging take?
Range added per hour
~24mi
10% to 80%, 77 kWh battery
~8.3hours
Estimates for a typical long-range EV. Real times depend on your car's maximum charging rate, battery temperature, state of charge and whether power is shared between neighbouring stalls. How charging speed works
Connectors and compatibility
J1772
2 ports · 7 kW
AC
The universal Level 2 AC plug in North America.
Works with: Every non-Tesla EV and plug-in hybrid. Teslas charge with the J1772 adapter that ships with the car.
Pricing
Free
Network listing: “Free”
Location and access
- Address
- 121 W Bandera Rd
Boerne, TX 78006 - Coordinates
- 29.77985, -98.72998
- Hours
- 24/7
- Phone
- 830-249-9666
- On site
- Food / RestaurantsRestrooms24/7 Access
Questions drivers ask
How fast is Sonic Drive-In?
It is a Level 2 station delivering up to 7 kW, which adds roughly 24 miles of range per hour. It suits charging while you shop, work or stay overnight rather than a quick road-trip stop.
How much does it cost to charge at Sonic Drive-In?
Charging is listed as free. Parking fees or time limits may still apply.
What plugs does Sonic Drive-In have?
2 × J1772 (Type 1) up to 7 kW.
Is Sonic Drive-In open 24/7?
Yes, the network lists it as open 24 hours a day.
Source: U.S. Department of Energy Alternative Fuels Data Center (AFDC), station ID 74139. Last confirmed by the network on Jul 15, 2026; opened Mar 14, 2016.