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EV charging glossary

Charger types

AC

Also called: alternating current AC means alternating current, an electrical current that periodically reverses direction. Electricity distribution systems supply AC, which is why most home, workplace and destination charge points deliver AC to the vehicle. An EV battery stores DC energy. During AC charging, the vehicle's onboard charger converts the incoming AC into controlled DC for the battery. AC charging power depends on the supply, EVSE and onboard charger. In Europe, a Type 2 connection can support single-phase or three-phase AC charging where the installation and vehicle are designed for it.

Related terms

DC

Onboard charger

Type 2 connector
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