Another semi-prototype discovered – and the Tesla boss mentions specific battery size for the first time

The semi-electric semi-trailer will only be produced in larger numbers in the coming year, but as announced by Tesla’s Automotive boss Jerome Guillen at the end of January, an increasing number of prototypes are already on the streets. Probably the third new Tesla Semi this February – again white and even as a load on a semi-trailer – was reportedly spotted in California last weekend. And in an interview, CEO Elon Musk said for the first time what size battery the electric truck should be equipped with.

Rumor has it that semi-production will start in summer

Actually, Tesla could start production of the Semi now, Musk said in a conference call at the end of January. He is only held up by the lack of battery availability. Nevertheless, a Tesla observer reported on Twitter last week that series production should start as early as August, initially distributed between the electric car plant in Fremont and the battery-powered gigafactory in the state of Nevada and later from the new gigafactory near Austin in Texas. According to a supplier, Tesla wants to achieve 100 semis per week by the end of the year.

CEO Musk did not comment on these rumors in another long interview with podcaster Joe Rogan last Thursday. But even so he had news for the semi-curious, reports the blog Teslarati. The Tesla semi-trailer will be equipped with a battery with approximately 500 kilowatt hours, Musk said. That fits with his statement from the end of January, according to which a semi needs as much battery capacity as five electric cars, which is why its production is currently not worthwhile in view of the battery shortage.

Tesla boss: battery with around 500 kWh

On this occasion, Musk did not say which Tesla models he was referring to. So he could have meant the Model 3 with a standard range and a good 50 kilowatt hours of battery as well as the Model S or Model X with around 100 kilowatt hours each. At Rogan, he now named both the semi-total value of 500 kilowatt hours and the 100 kilowatt hours for Model S and Model X as a comparison.

At the semi-presentation at the end of 2017, Tesla mentioned two variants with a range of 300 miles or 500 miles and spoke of a consumption of less than 2 kilowatt hours per mile. From this it follows that Musk should have meant the smaller semi with his information on the total capacity – and that his consumption must even be well below the stated value, namely 1.66 kilowatt hours per mile. This could also explain Musk statements from November 2020: Even the higher range of 500 miles is “easy to achieve” with the Semi, he said at a battery conference, and with Tesla’s own 4860 cells he even lasted 1000 kilometers (621 miles) Miles) for possible.


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