Monday, March 11, 2019

Tesla Supercharger V3 vs. A Gas Pump



Filling the Tank (Battery)

How long does it take to gain a full tank of fuel, be it Gasoline or Electricity? 
Well, Tesla is boosting the fill rate of it's Superchargers to a much greater capacity starting this week. They claim that a Tesla Model 3 can get up to 1000 Miles of Range per Hour of Charge.  A Model 3, has at the most a range of 325 miles, so the new charger can fill the battery in about 20 minutes.



Is that good?

The video at the top of the page is only 2.5 minutes long and it started at 9 gallons out of a possible 25.6 gallons.  So lets say that it actually took only a total of 4 minutes to fill the whole tank from empty.  The video was of my Chevy Avalanche and it could get about 500 miles of range on 25.6 gallons. So that means that the fill rate of Gas Station is 7500 Miles of Range per Hour of filling (charge). 

What does this mean?

The result is that Electric Vehicles will need, yet still a faster charger than this new improved Supercharger V3 to compete with Gas Stations on fill speed. Although, compared to the prior Supercharger V2, which only charged at a maximum of 500 Miles per Hour of Charge, this is an improvement. 

However, if you compare the Supercharger to nearly any other charger for Electric Cars in the US, the best in Electrify America at 1500 Miles per Hour of Charge.  The only vehicle that can handle that high input is the Porsche Taycan.

What remains to be seen is how quickly other electric vehicles adopt this faster charging.  Many manufacturers do not worry about fast charging since the bulk of EV Drivers charge at home.  This is mostly useful to those who take long road trips or who commute longer distances.  And if the EV ever can get solid, universal adoption it will have to meet the needs of most drivers.



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