You've connected your car to your home charger, but notice that it charges more slowly than expected? That doesn't necessarily mean there's a problem with your home charger. The final charging speed is determined by various factors, such as your electrical connection, the electricity consumption in your home, and your car's charging capacity.

Go through the points below.

1. Check the capacity of your electrical connection

The capacity of your main connection partly determines how much power is available to charge your car. Your home may have a single-phase or three-phase connection.

• With a single-phase connection, the charging capacity can range from approximately 1.4 to 7.4 kW.
• With a three-phase connection, this can range from approximately 4.2 to 22 kW. For many electric cars, the AC charging capacity is limited to a maximum of 11 kW.

Your actual charging speed is therefore determined by the combination of your electrical installation, your home charger, and your car's charging capacity.

2. Dynamic load balancing can temporarily reduce your charging speed

Does your home charger have dynamic load balancing? If so, the available power is automatically divided between your home and your car.

Are you using several electrical appliances at the same time? Your home charger may temporarily receive less power. In some situations, charging may even be interrupted for a while. This prevents your electrical installation from becoming overloaded.

As soon as electricity consumption in your home decreases again, for example at night, more power becomes available for your car and the charging speed can increase again.

3. Your home charger may be intentionally limited

Do you have a home charger without dynamic load balancing? The installer may have limited the maximum charging capacity for safety reasons. This prevents your electrical installation from becoming overloaded.

For some home chargers, this limit can also be set through software. Is your electrical panel or electrical connection modified later? It may then be possible to have this setting reviewed again.

4. Want to charge faster? Check whether a three-phase connection is possible

Do you currently have a single-phase connection and want to be able to charge faster at home? You may then need to switch to a three-phase connection. Keep in mind that both your home charger and your car must support the higher charging capacity.

5. Check your car's charging settings

Sometimes the limitation isn't with your home charger, but with your car. In the settings of some electric cars, you can limit the charging capacity or charging current.

Your home charger may then be able to provide sufficient power, while your car uses only part of it. Therefore, also check your vehicle's charging settings.

6. Check how much charging capacity your car supports

Not every electric car can charge at the same maximum capacity at home. For example, some models don't support three-phase charging or have a lower maximum charging capacity themselves.

Not sure how much charging capacity your car can handle? Check your vehicle's technical specifications or contact your car supplier.

Tip: A lower charging speed doesn't automatically mean that your home charger is defective. Your electrical connection, dynamic load balancing, your car's settings, and your vehicle's maximum charging capacity all play a role.