How Long to Charge EV at the Charging Station?

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How Long to Charge EV at the Charging Station?

The speed of charging depends on the power output of the charging station and the charging capacity of the vehicle. In general, fast charging stations can charge a battery to over 80% in 30 minutes, while slow charging stations may take several hours. Among the several factors at work are an EV’s battery capacity, efficiency, onboard charger, and power supply.

According to SAE International, there are now three charging levels for EVs: Level 1, Level 2, and DC Fast Charging, which is sometimes referred to as Level 3 even though it isn’t a recognized level of charging. For your information, fast DC charging is what Tesla Supercharging is all about.

Charger Type:

The charging speed differs based on the charger type. Rapid chargers can charge an EV to 80% in around 30 minutes, while slower chargers like Level 1 might take several hours for a full charge.

  • Level 1:

    To put your EV’s wire set into a standard 120-volt outlet (the same kind you’d use for, say, a phone charger or a lamp), simply plug it in. This is EV jargon. In summary, if you’re charging from empty, this amount of charging takes between 40 and 50 hours. However, it’s important to remember that American automobile owners only travel roughly 31 miles each day on average. Thus Level 1 might suffice for your everyday requirements or, in an emergency, to increase your mileage.
  • Level 2:

    This indicates that you are charging from a hardwired device or a 220-volt outlet, which is the same type used by large appliances like washers. You can charge from empty in this case in four to ten hours. While public Level 2 charging stations are frequently found in places where cars park, such as offices or business lots, most electric vehicle owners also install this type of station in their garage in order to allow them to charge overnight. An added bonus: The price of Level 2 equipment might be covered by certain incentives.

    read more here: what is level 2 ev charging
  • Level 3:

    Level 3 chargers, sometimes referred to as direct current fast chargers or DCFC chargers, offer the quickest charging speeds and may fully charge an electric vehicle (EV) in as little as 20 minutes. Although using these public charging stations is more expensive, they are especially useful for drivers who are pressed for time and live in cities where it is difficult to recharge. They’re also becoming faster. Vehicles were normally charged at 50kW by the first generation, but the ones that are installed now are usually at least three times as powerful, with some even reaching 350kW.

EV Model

Different EV models have varying charging capabilities. Some models support rapid charging, significantly reducing charging times.

Battery Capacity:

Now, let’s talk about battery capacity. All other things being equal, a larger battery will take longer to charge than a smaller battery. Today’s EV batteries come in sizes ranging from approximately 30 kWh to over 200 kWh. Two EVs, both using Level 2 charging (more on that in the following section) at a rate of 9.6 kW—the best-case scenario for home chargers using the standard NEMA 14-50 wall outlet—will help demonstrate how battery capacity affects charging time. Our EVs each have a 40 kWh usable battery and an 80 kWh usable battery. It should come as no surprise that doubling the battery size doubles the charging time:

The time it takes to charge an Electric Vehicle (EV) at a charging station varies significantly based on several factors:

Ambient Temperature:

The time of charging is also affected by plenty factors such as battery capacity, remaining power and ambient temperature. In cold weather, charging times may be longer.

Your EV may require a lot more energy to start if the battery is too cold. The car’s lithium-ion batteries are temperature-sensitive, with a preference for temperatures between 60 and 80°F. Keep your automobile in a garage if at all feasible to prevent it from getting too chilly.

Keeping your EV charged to at least 20% is your greatest line of defense in cold weather. In the unlikely event that the battery becomes too cold and must draw from its stored energy to start the charging process, that 20% charge serves as a reserve.

To maximize your EV’s range, make sure you start the day fully charged and are aware of the location of charging stations. You should always have a fallback plan for finding an EV charger when it comes to charging your vehicle in the winter, or really at any time of the year. In this manner, you can avoid getting stuck if your driving range is decreased more than you had anticipated.

Charging Station: 

Public charging stations come with different charging speeds. Fast-charging stations usually deliver a higher power output than standard ones.

For instance, rapid chargers at specific stations can offer quick charging times, whereas slower chargers might take several hours for a full charge.

When referencing the US Department of Transportation, they highlight the varied charging speeds among different charger types, emphasizing the role of EV model and battery capacity in determining charging times.

In summary, the time taken to charge an EV at a charging station varies widely due to multiple factors and can range from as little as 30 minutes for rapid chargers to several hours for slower chargers. For precise charging times, it’s recommended to refer to the specific EV model’s manual or consult the charging station’s specifications.

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