# How many amps are needed to charge an electric car?

This is only 50 amps of the allotted 100-200. And if charged at night, not much other electricity is being used in the house. When charging a Tesla Roadster, the car only draws as many amps as are available. Once plugged into a 50 amp outlet, the car only draws 40 amps (due to the National Electric Code (NEC)).

In this way, what is the voltage of a Tesla car?

Lets do the voltage first. 9 bricks X 3.6 volts X 11 moduals = 356.4 volts. But the Tesla specs say the battery is 375 volts. Backing into the nominal voltage needed to get 375 volts each battery has to have a nominal of 3.78 volts.

How much power is needed for an electric car?

If electricity costs \$0.11 per kWh and the vehicle consumes 34 kWh to travel 100 miles, the cost per mile is about \$0.04. If electricity costs \$0.11 per kilowatt-hour, charging an all-electric vehicle with a 70-mile range (assuming a fully depleted 24 kWh battery) will cost about \$2.64 to reach a full charge.

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