Level 1 chargers typically charge a fully depleted battery in 8 to 12 hours. The most common place for Level 1 charging is at the vehicle owner’s home and is typically conducted overnight.
Level 2 chargers are compatible with all electric vehicles and plug-in electric hybrid vehicles. A full charge generally takes 4 to 6 hours depending vehicle technology
Level 3 chargers, also known as DC fast chargers, charge through a 480V, direct-current (DC) plug. Most Level 3 chargers provide an 80% charge in 30 minutes.