What is the difference between a Level 1 and a Level 2 charger?

Level 1 chargers: Uses a connection to a standard 120-volt outlet, Charges 8 km per hour, Takes 12 to 20 hours to fully charge a battery EV (6 to 12 hours for a plug-in hybrid), Used mostly in homes. Level 2 chargers: Will use a connection to a 240-volt outlet, like those used by ovens and clothes dryers, or hardwired connection directly to the charger, Charges 30 km per hour, Takes 6 to 14 hours to fully charge a battery EV (4 to 8 hours for a plug-in hybrid), Used in homes, businesses, and common areas.