ehicle charging) Level 1 and Level 2 are home charging systems for EV batteries (see chart below). People charge their cars overnight using home chargers, whereas Level 3 commercial charging stations can charge a battery in as quickly as a half hour. Level 3 is called "DC Fast Charging" (DCFC) and "Tesla Supercharging."
Level 3 - DC Fast Charging
Level 3 chargers supply DC directly and bypass the vehicle's AC-to-DC conversion circuit. However, there is controversy over using only Level 3 charging with claims that it lessens battery life. Time will tell.
Charging times vary because the battery technology from every manufacturer is not identical, and the rate of power delivery in public stations varies. As of 2022, there are roughly 6,000 public fast charging stations to accommodate more than two million all-electric (EV) and plug-in hybrid electric (PHEV) vehicles. Many new stations are expected in order to handle the surge in EV sales. See electric vehicle types
NORTH AMERICAN SAE CHARGING TIMES
(charge to 80% capacity)
Charger v = volts
Level Venue p = phase Time
1 Home 120v 1p 24-40 hrs.
2 Home 240v 2p 3-5 hrs.
3 Public 480v 3p 30-45 mins.