Charging levels and charging times apply to EVs and plug-in hybrids, but not to traditional hybrids. Hybrids are charged by regeneration or by the engine, not by an external charger.
Three Levels of EV Charging
There are three levels of EV charging; Level 1, Level 2, and Level 3. Level 3 is broken into DC Fast Charging and (Tesla) Supercharging. The higher the level of charging, the faster the charging process, as more power is delivered to the vehicle. It’s important to note that different EVs charge at different speeds on each level, because each EV can accept different levels of power from the EVSE, industry-speak for electric vehicle supply equipment, the charger.
When an electric vehicle is plugged in, there’s a communication process before the charger is energized. Basically, the car asks the charger how much power it can deliver, and then the car calls for the maximum amount of power that the station can deliver and the vehicle can accept.
The car always determines how much power it accepts, so there’s no need to worry about plugging into a charging station that can deliver more power than your EV can handle. The car will not allow the charger to deliver too much power.
Three Levels of EV Charging
There are three levels of EV charging; Level 1, Level 2, and Level 3. Level 3 is broken into DC Fast Charging and (Tesla) Supercharging. The higher the level of charging, the faster the charging process, as more power is delivered to the vehicle. It’s important to note that different EVs charge at different speeds on each level, because each EV can accept different levels of power from the EVSE, industry-speak for electric vehicle supply equipment, the charger.
When an electric vehicle is plugged in, there’s a communication process before the charger is energized. Basically, the car asks the charger how much power it can deliver, and then the car calls for the maximum amount of power that the station can deliver and the vehicle can accept.
The car always determines how much power it accepts, so there’s no need to worry about plugging into a charging station that can deliver more power than your EV can handle. The car will not allow the charger to deliver too much power.
Level 1 Charging: 120-Volt
Connectors Used: J1772, Tesla
Charging Speed: 3 to 5 Miles Per Hour
Locations: Home, Workplace & Public
Level 1 charging uses a common 120-volt household outlet. Every electric vehicle or plug-in hybrid can be charged on Level 1 by plugging the charging equipment into a regular wall outlet. Level 1 is the slowest way to charge an EV. It adds between 3 and 5 miles of range per hour.
Level 1 charging works well for plug-in hybrid electric vehicles (PHEVs) because they have smaller batteries, currently less than 25 kWh. Since EVs have much larger batteries, Level 1 charging is too slow for most daily charging, unless the vehicle isn’t needed to drive very far on a daily basis. Most BEV owners find that Level 2 charging better suits their daily charging needs.
Level 2 Charging: 208-Volt to 240-Volt
Connectors Used: J1772, Tesla
Charging Speed: 12 to 80 Miles Per Hour
Locations: Home, Workplace & Public
Level 2 charging is the most commonly used level for daily EV charging. Level 2 charging equipment can be installed at home, at the workplace, as well as in public locations like shopping plazas, train stations and other destinations. Level 2 charging can replenish between 12 and 80 miles of range per hour, depending on the power output of the Level 2 charger, and the vehicle’s maximum charge rate.
Most BEV owners choose to install Level 2 charging equipment at their residence, because it charges the vehicle up to 10 times faster than Level 1 charging. Charging from a Level 2 source usually means the vehicle will be completely charged overnight, even if you plugged with a nearly empty battery.
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