Charging Methods

Connectors

Most vehicles have two charging sockets, one for AC charging at home or the workplace, and one for DC charging at high speed charging stations. Each of these charging sockets can vary depending on the market the vehicle was manufactured for.

AC - Slow to medium speed

AC charging stations deliver mains AC current to the vehicle, requiring the vehicle’s on-board charger to rectify the AC current to DC and manage the charging process.

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Type 1

Type 2

EV on board Charging
EVonboardCharging

DC - Fast to rapid speed

DC charging stations deliver high voltage DC current directly to the vehicle battery, bypassing the vehicle’s on-board charger.

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CHAdeMO

CCS

Typical charging times

There are two main factors that determine how fast the electric vehicle will charge, firstly the speed of the charging station, but also the maximum supported charging speed of the EV itself. For example, a 2014 Nissan Leaf only supports a maximum charging speed of 3.7kW, even if plugged into a 7.4kW charging station.

Type of Charger Speed Range added per hour Charging Time
8 amp portable charger 1.5kW 10km 35 hours
AC single-phase 7.4kW 40km 9 hours
AC three-phase 22kW 120km 3 hours
DC medium 25kW 150km 1.5 hours (to 80%)
DC rapid 50kW 300km 1 hour (to 80%)
DC ultra-rapid 175kW 300km 15 min (to 80%)

* The information in the above table is approximate and charging times are based on a vehicle with a 64kWh battery. Note that only some EVs will accept higher delivery speeds from ultra rapid chargers.

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