Tesla Model 3 on the Supercharger V3: Only 250 kW charging power at the beginning

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Fast charge test with a new Model 3 from 2021

Tesla Model 3 on the Supercharger V3: Only 250 kW charging power at the beginning-tesla

With the development of its Supercharger charging network Tesla started in 2012. The first charging stations delivered 90 kW, the second generation (Supercharger V2) delivered 150 kW and the latest chargers (V3) created 250 kW. How quickly can a Tesla Model 3 charge? Tom Moloughney from InsideEVs USA tried it on his own new car.

The car is a Model 3 Long Range with all-wheel drive from model year 2021. After a range test, Moloughney rolled to a supercharger with a battery level of zero percent. The outside temperature was around 32 degrees. Moloughney determined the charging time in minutes for the charge levels in 10 percent steps:

Tesla Model 3 on the Supercharger V3: Only 250 kW charging power at the beginning-charging

The entire charging process (0 to 100 percent) took 63 minutes; During this time, an impressive 75 kWh were charged – apparently this corresponds to the net capacity of the battery. After 32 minutes, the charge level (SOC) was 80 percent; the last 20 percent then took another 31 minutes. According to the information, charging from 20 to 80 percent only took about 24 minutes – a very brisk pace.

And what about the 250 kW charging power? The red charging curve in the following graphic shows that this value has been reached. The black curve shows a charging curve for the Tesla Model 3 Long Range from model year 2019 (Tom Moloughney’s old car):

Tesla Model 3 on the Supercharger V3: Only 250 kW charging power at the beginning-power

The black curve shows that the maximum charging power of 250 kW is only kept within a small SOC window – from a charge level of around 10 to around 20 percent. If the battery is still a quarter full (25% SOC), it makes no difference whether you use a V2 or a V3 supercharger, because then the charging power of the V3 charging station is only 150 kW (the maximum power of the V2 supercharger).

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The comparison of the red and black curves shows: The new Model 3 took a little longer than the one from 2019 to reach the maximum charging capacity. In addition, the 250 kW were not kept as long as in the older Model 3. However, the differences disappear from a charge level of around 35 percent.

A detailed quick charge analysis by Mark Kane follows.

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