Why is my EV not charging at the speed advertised on your charge points?

There are several factors that can affect the charging speed (AC and DC) of your EV, including your specific EV model, charging cable, charge point, and grid connection.

However with DC charging, the charging speed can also depend on where you are in the charging curve, which relates to how full your battery is at the time of charging. Generally, the peak charging speed is achieved between 10 and 50% State of Charge, but this varies depending on the battery management system used by your EV. You can read more about State of Charge here.

The voltage applied during charging also affects the charging speed. Some DC charge points can produce multiple levels of voltage, and the voltage applied depends on what your EV can handle. Higher voltage generally means higher charging speeds, as Watt = Voltage x Ampere.

Outside temperature can also influence charging speed, but generally, it does not have a significant impact unless it is very hot outside.

So the maximum charging speed is the speed at which the charge point is capable of charging with optimal circumstances, but all conditions determine whether it can actually reach that.