Welcome to Tesla Motors Club
Discuss Tesla's Model S, Model 3, Model X, Model Y, Cybertruck, Roadster and More.
Register

Miles Per Hour Of Charge?

This site may earn commission on affiliate links.
Universal Mobile Connector - Available in North America Only Tesla Motors

chart-2_grande.jpg
 
I am not sure what 19 hours at 120V means. The Tesla MS take 70-80 hrs at 120V, not 19 hours?????

The first row is 240V, 15A = 12A continuous. 240 * 12 = 2880W. 53 kWh / 2.88 kW = 18 hours. Close enough.

NEMA 5-15 is 120V, 12 amps continuous = 1440W. 53 kWh / 1.44 kW = 36 hours. There will be some efficiency loss due to battery temperature management, especially with such a slow charge rate... that's how they got 48 hours (which is conservative in my experience).
 
I don't have my logs with me but...

At 70/208 - I got 48 Ideal Miles per hour (McDonald's in Barstow)
At 40/240 - I get about 30 Ideal Miles per hour (at home)
At 12/120 - I get about 3+ Ideal Miles Per hour (at home)

Also, I've tracked Kwh from the grid versus what gets in the battery and I lose on average 25%. I read somewhere the Model S claims 93% effeciency rate but my Roadster is about 75%.