How long does it take to charge an electric car?

How long does it take to charge

Two weeks ago I changed my ride. And since I have been asked several times how long does it take to charge? Yes, its still an electric vehicle (EV) — I hope to never again put gasoline into a car!

Anyway, the question surprised me each time, as there is little difference one car to the next in the practical, every day sense. But it finally gelled in my mind as lack of information — still — in the general public. So, here’s an attempt to add to what, in truth, is a wealth of information on line.

Everyday charging

I’m going to divide this into two groups, and the first one is the day to day alluded to earlier. There are two key aspects to this part of the equation: 1) how far do you drive daily and 2) can you charge at home?

• On an everyday basis, an EV can be charged with a standard wall plug, 110/120 volt. Here if you’re starting at fully discharged, it will take several days to fully charge (please stop short of 100% — see here for why).
• A 220/240 volt plug can be used. In this case, from fully discharged (also, don’t do this!!) to 90% (for the life of the battery) will take about 8 hours. Overnight!

Here’s where the distance driven every day is important, and in truth, few of us pay any attention to this. Most EVs today will go 250 miles, but you’ll want to save some on either end, so assume 220. If your commute is 30 miles round trip, you can go a week on a single charge and a 220/240 volt outlet or Level 2 home charger is ideal!

However, if you drive only 10 miles a day, shuttling kids to school, picking up groceries, etc., you can plug your car into a 110/120 volt outlet, which is Level 1 charging every night and never run out of “gas”!

This is the biggest deviation from driving a gas powered car — you can’t simply pull into a service station and fill up in a few minutes. But its truly not difficult to manage in the day-to-day.

Long distance driving

Here’s where the rubber meets the road. If you’re constantly behind the wheel, be it for business or pleasure, you need the Level 3 charging stations that, while still being built out, are actually easy to find. And, let’s face it, Tesla has the broadest network.

Level 3 stations pour power into an EV fast enough to get your tank 80% full in 20-30 minutes, depending on the vehicle. The charge rate drops off dramatically after 80%, so its more efficient time-wise to stop charging and get back on the road. Again, see more on that here.

What you need to know is the range of an EV you may wish to get into, and how fast it will accept a charge. The car is in control — a Chevy Bolt will not charge faster the the 50 kW it can accept, even at a 150 kW charger! But the vast majority of available EVs charge at up to 150 kW.

So that’s it for now, not that I’ve answered every possible question that can come up. Hopefully this has been helpful to you, even as I wrote as much to reconnect myself to the proper answer when I’m asked again, as I inevitably will be.

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