Socket connection
3-phase provides more power but is less common
1-phase
3-phase
Battery state of charge
Keep it 20-80% for optimal charging performance and longer battery life
Battery temperature
Charging is slower when the car’s battery is too cold or too hot
Normal temperature: 50–95 °F
Price per kWh
How much you pay per kilowatt-hour of electricity
USA average residential rate ≈ $0.16