Electric vehicle charging

Electric vehicle charging transfers electrical energy from an external power source into a vehicle’s battery, restoring energy for driving.

Electric vehicle supply equipment: Equipment that safely delivers electrical power from a source to an electric vehicle. It connects the grid or building wiring to the vehicle and manages the charging connection.
Home charging: Charging an electric vehicle at a residence using household electrical service or dedicated equipment. It provides routine charging while a vehicle is parked at home.
AC charging: Charging that delivers alternating current to a vehicle, which converts it to battery-compatible direct current onboard. It is commonly compared with DC fast charging, which performs conversion at the station.
Smart charging: The coordinated control of electric vehicle charging to respond to grid conditions, prices, or user needs. It can shift charging away from periods of high electricity demand.
Lithium-ion battery: A rechargeable battery that stores energy through lithium-ion movement between electrodes. Most current electric vehicles use lithium-ion packs to store charged energy.
On-board charger: A vehicle component that converts incoming alternating current into direct current for battery charging. It sets the power limit for most AC charging sessions.
Workplace charging: Electric vehicle charging provided at or near a place of employment. It lets vehicles recharge during long periods parked at work.
Level 1 charging: Low-power AC charging using a standard household outlet in North America. It is the simplest option but usually charges more slowly than dedicated equipment.
Vehicle-to-grid: A system that allows electric vehicles to send stored electricity back to the power grid. It turns charging equipment and vehicle batteries into potential grid resources.
Battery capacity: The quantity of electric charge or energy a battery can store, commonly stated in ampere-hours or kilowatt-hours. Capacity helps determine how much energy a charging session can add.

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