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Recent content by Peter Lucas

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    Scheduled charging issues

    Scheduled charging again failed to occur, leaving me with inadequate energy for my day. This is a sporadic occurrence. But even once in a while is too much.
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    Learnings/Feedback from completed Car Camping Roadrip

    All that and you didn't tell us which car it was? Model 3? Model S"
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    When you say that the range is 292 miles, is that the actual number of miles that you can get? Or is it the cars display of range? Important difference. For example, my cars display of range was 275 miles. At that time, the real life achievable range was only 200-220 miles. Worse, usable battery...
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    Owners delivery stories, photos and first impressions

    Good for you. Good idea to get an "inventory" car. I also got my Model S that way. Big discount. Small mileage hit. I do wonder if the sales people abuse the batteries of those cars by keeping the batteries at 100% for all those months. The "90" kwh battery in my 6 month old car had a usable...
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    Blog Model S is First EPA-Rated EV to Hit 400 Miles of Range

    Well, let's see. My 280 mile Model S delivers 200 miles of real range. So the the 400 mile model should deliver maybe 300 miles.
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    Sorry Ran. I am just not understanding most of what you are saying. At 6 months of age, my cars battery had 72-73 kwh of usable capacity. And my achievable range was 70-75% of the displayed Rated Range (200-220 miles). So, lots of things wrong and would not be expected. First, not able to get...
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    In the summer of 2016, the new Model S 90D cars in the showrooms displayed a full charge Rated Range of around 280-285 miles. The usable capacity of these batteries when new was described in several places as 81-82 kwh. 72-73 kwh is certainly not a normal usable capacity for the 90 kwh battery...
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    Yes, I know that I said the same thing a few times. I felt if appropriate because it appears that many readers read only replies to their own messages. Also, the fallacy of rated range display accurately revealing battery degradation is so widespread, and recurs so frequently that frequent...
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    Many of us have found unexpectedly large loss of battery capacity (and loss of range). Battery degradation may or may not be revealed by a decrease in the displayed full charge range. If you ask Tesla, they will say nothing is "wrong" with your battery until or unless a fault is displayed...
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    I suspect that many owners would be surprised and disappointed by the extent of their battery degradation. If they knew what it really was. (My car shows a 5% decrease of rated range while it has 15% degradation) The display of full charge range gives false assurance of minimal degradation...
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    Using full charge range to estimate battery degradation may result in a mistaken idea that battery degradation is minimal. Actual battery degradation may be much more than suggested by the tiny reductions in the display of full charge range
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    Change of displayed full charge range may not reveal all of the battery degradation. My early 2016 90D still shows a full charge range just a few miles less than when the car was new. But in fact, the battery has lost 15% of its capacity.
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    You are assuming that the cars display of range at full charge is an accurate reflection of battery capacity and battery degradation. Battery degradation could be much worse. My cars display of full charge range is about 5% less than when new. But the battery has lost about 15% of its capacity.
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    Kinda disappointed that I have 5.5% degradation after 18k miles

    Your actual battery degradation could be much worse. The cars display of range may not account for all of the battery degradation. My 2016 Model S at 6 months of age had 15% battery degradation. Yet the display of full charge range was close to that of a brand new car.
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    Battery Replaced Under Warranty - 30+ miles below rated range

    Good for you, drklain, that you car and battery deliver as advertised. You are lucky. On average, Model S owners get around 70% of the Rated Miles. So, if there are cars like yours delivering 100%, think how poorly some cars must be doing to make the average 70%. TezLab

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