Every public or home EV charger falls into one of three speed tiers, and knowing which is which changes how you plan a charging stop.
Level 1 — a standard wall outlet
Level 1 charging uses a normal 120V household outlet, adding roughly 3-5 miles of range per hour. It's the slowest option, realistic only for overnight home charging with very low daily mileage.
Level 2 — the everyday standard
Level 2 runs on a 240V circuit (the same as a home dryer outlet) and adds 15-40+ miles of range per hour. This is what most home wallboxes and everyday public parking-lot chargers use.
Level 3 — DC fast charging
Level 3, also called DC fast charging, skips the car's onboard converter and feeds high-voltage DC power directly to the battery, adding 100-200+ miles in 20-40 minutes. This is what you'll find at highway rest stops and dedicated fast-charging hubs.
Can I use a Level 3 charger every day?
You can, but most manufacturers recommend relying mainly on slower Level 1/2 charging for daily use, since frequent fast charging generates more heat and can accelerate long-term battery wear.