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Tesla data shows battery degradation is limited but not all packs are created equal

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Tesla has released new data showing that battery degradation over high mileage is limited, which is good news, but we have obtained more data that shows that not all of Tesla’s battery packs are created equal.

Battery degradation, which represents the loss in capacity and range over time with increasing mileage, is one of the biggest concerns of new electric vehicle buyers.

We have occasionally seen some interesting data about battery degradation gathered by Tesla owners but rarely anything directly from Tesla.

This week, the automaker released its ‘2019 Impact Report’ and as part of it, Tesla shared a rare chart showing energy retention.

It only includes Model S and Model X vehicles up to 200,000 miles, which have been on the road for longer than Model 3 and Model Y:

It shows around 10 to 15% battery degradation between 150,000 to 200,000 miles, which is in line with what owners have reported in previous crowdsourced reports.

However, the data is about all Model S and Model X vehicles, but things get more interesting when you break it down by different battery packs.

Tesla doesn’t release this data, but the company had a massive data leak back in 2017.

I can’t go into more detail right now about the leak because it’s not my story to tell, but a source who had access to the data figured out that Tesla’s 90 kWh battery pack degraded much faster than the 85 kWh battery pack that it was replacing.

They shared the data with us and we represented it in this chart that we first shared as part of our latest episode of the Electrek high-mileage EV series:

People had a lot of questions about the data and what it shows, so we decided to go into more detail here now.

Each point on this chart represents a Model S or Model X in Tesla’s customer fleet at the end of 2017. We have tens of thousands of data points directly from Tesla, which is arguably the best data ever released about Tesla battery degradation.

The ‘Y’ axis represents the current usable battery capacity of the car in kWh pulled from Tesla’s own battery management system and the ‘X’ axis is the total use of the battery pack in kWh since the vehicle was new.

It shows that the 90 kWh battery pack (green) starts at ~85 kWh of usable capacity and drops on average by about 6 kWh after 20,000 kWh or 235 cycles, which should represent over 60,000 miles.

As fo the 85 kWh battery pack, it starts with a usable capacity of about 80.5 kWh and it drops on average to about 77 kWh after 20,000 kWh.

It means that for the first few years of use, the 90 kWh battery pack degrades almost twice as fast as the older 85 kWh battery pack.

This is something that Tesla Model S and Model X 90D owners have been reporting anecdotally for years, but now we have the data to back it up.

Why it is happening is harder to understand, but it is happening.

Electrek’s Take

Tesla’s own chart looks really good and I believe it is accurate, but I think it’s also interesting to look at different battery packs.

There’s no doubt that the degradation in the 90 kWh battery pack is much more aggressive, but there are a few silver linings.

Over time, the degradation of all battery packs, including the 90 kWh packs, levels and degradation slows down.

Therefore, while the 90 kWh drops much faster at first, it should still be able to last a long time and it’s likely why it is not dragging down Tesla’s average so much.

Secondly, Tesla discontinued the 90 kWh battery pack and replaced it by the 100 kWh.

While we don’t have the same amount of data on the newer battery pack, it doesn’t seem to degrade as fast as the 90 kWh pack.

As for the “why”, the answer seems to lie with the chemistry.

Tesla’s battery pack design didn’t change much from 85 to 90 kWh, but Tesla achieved a greater density with a new chemistry, which seems to be a worse chemistry when it comes to longevity.

After the 90 kWh pack, we have seen Tesla with a renewed focus on longevity with recent chemistry developments for its “million-mile battery”.

I think Tesla is going to be good with battery degradation going forward, but it’s still a bummer for 90 kWh battery pack owners. Tesla had replaced some of those packs, but owners with replacement packs are reporting the same problem.

Maybe Tesla should consider replacing the packs with newer 100 kWh packs instead of 90 kWh packs? What do you think? Let us know in the comment section below.

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Source: https://electrek.co/2020/06/12/tesla-data-battery-degradation-limited-mileage-packs-equal/

Automotive

Rivian shares details about the R1T’s premium cabin and its amenities

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Rivian released details of the R1T pickup truck’s interior, specifically those quipped with the company’s Adventure Package and Forest Edge interior. Based on the features outlined by the company, it is evident that Rivian brought its A-game when it fitted the all-electric pickup truck with its features and amenities.

Immediately noticeable in the R1T is its generous number of storage options. In both the first and second row, storage spaces are abound. There’s an open 14×11-inch space under the center display, a 33-inch wide storage bin under the R1T back seats, and smaller storage pullouts under the driver and passenger seats. These are complemented by four retractable cup holders and space for one 40-ounce water bottle in each door’s cargo compartment.

Credit: Rivian

Similar to Tesla’s interior, which keeps sustainability in mind, the Rivian R1T is fitted with vegan leather seats. Even the vehicle’s microfiber headliner is made from 100% recycled materials, and its lightweight Chilewich floormats are designed to be easily taken off, hosed down, and replaced. These, together with other smudge-resistant accents in the interior, ensure that owners can keep their R1Ts (relatively) clean while they enjoying the outdoors.

The R1T’s main controls are accessed through the all-electric pickup’s 16-inch center display, which provides pertinent information such as weather and climate controls thanks to its 4G connection. A 6.5-inch rear display, placed at the back of the center console, is also present. Six USB Type-C ports are placed around the cabin: two in the center console, two in the rear center console, and two more in the back of the front seat headrests. A wireless charger is also available, as well as a 12V outlet and a 120V outlet.

A possible favorite feature of Rivian R1T could be its capability to act as a Wi-Fi hotspot using its onboard 4G connection. This feature would likely be appreciated by owners who tend to travel with kids that love to access their favorite streaming services on their devices. Other toys and tools in the vehicle include a 1000-lumen flashlight and a weatherproof Camp Speaker with a dedicated low bass campground mode to keep owners’ sonic footprint from disturbing wildlife and fellow campers. An optional 130-piece Rivian Field Kit, which includes emergency essentials like a rescue blanket, poncho, and fold-up shovel, is also available.

Credit: Rivian

The full details of the Rivian R1T Adventure Package with Forest Edge interior could be accessed here.

Do you have anything to share with the Teslarati Team? We’d love to hear from you, email us at [email protected] or reach out to me at [email protected].

Rivian shares details about the R1T’s premium cabin and its amenities

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Source: https://www.teslarati.com/rivian-r1t-final-interior-details/

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Automotive

Tesla opens longest Supercharger route from east to west along China’s historic Silk Road

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Recently, Tesla China announced the opening of the longest Supercharger station route along the country’s historic Silk Road.

The Supercharger route spans a little over 3,100 miles (5,000 kms) with 27 stations. Tesla China announced the opening of the route via its official Twitter account.

Tesla’s video about China’s longest Supercharger route depicts travelers driving through historical sites “to revive historical epics.” Tesla China’s Supercharger Team has been focused on expanding Tesla drivers’ reach by placing stations in the most exciting locations. For instance, earlier this year, the Supercharger team announced a route leading up to Mt. Everest’s base camp.

The 3.1k-mile Supercharger route runs along China’s historic Silk Road from Zhoushan to Horgos. The historic Silk Road rose during China’s Han Dynasty (206 BCE – 22CE). It forged trade networks in Central Asian countries, including Afghanistan, Kazakhstan, Kyrgzstan, along with modern-day India and Pakistan. The road also extended into Europe.

(Credit: Tesla Greater China)

In 2013, President Xi launched China’s Belt and Road Initiative (BRI) initiative, now commonly known as the new Silk Road. BRI lays out China’s plan to build railways, ports, highways, and other infrastructure that will connect the East with the West. At least 100 countries have shown their interest in the new Silk Road.

The G7 may have plans to create their own Silk Road. Specific details of the G7’s plans have not been divulged as of this reporting.

The Teslarati team would appreciate hearing from you. If you have any tips, email us at [email protected] or reach out to me at [email protected].

Tesla opens longest Supercharger route from east to west along China’s historic Silk Road

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Source: https://www.teslarati.com/tesla-supercharger-china-silk-road-route-video/

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Automotive

Tesla stock among biggest potential winners over the next year: analysts

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Tesla (NASDAQ: TSLA) stock is just one of eight companies poised for a rally over the next twelve months, according to analysts who see major upside for some of 2021’s slowest movers.

Tesla, along with Penn National Gaming, Etsy, Mosaic, Mohawk Industries, Under Armour, Enphase Energy, and Freeport-McMoRan, is one of the stocks that has not had a great start to 2021 and has suffered a significant slide in comparison to the stock’s 52-week high. A report from Investors.com says that Tesla is poised for a big 52-week stretch as the automaker could hit its stride through major product developments over the next year that should provide a substantial boost to the company’s stock.

Tesla stock has not performed well in 2021, down 14.28% on the year at the time of writing. Interestingly, Tesla’s meteoric rise in 2020 still puts the automaker’s stock at 214.52% in the black over the past 52 weeks. Tesla shares exploded last year even though the COVID-19 pandemic struck. Despite last year being extremely tough for many companies, Tesla continued to report growth, profitability, an increasing adoption of electrification.

2021 hasn’t told the same story, unfortunately. Although Tesla has proven growth and profitability for seven consecutive quarters, released new, groundbreaking products like the 4680 battery and the Model S Plaid, the stock hasn’t been affected much for some reason. At least not in the positive direction.

But now, analysts are calling for Tesla to have a successful second half to 2021, and the momentum could continue into the first half of 2022. Shares are down 31% currently since its 52-week and record high of $900.40 a share that was reached in early 2021. Regardless, the shares are only down less than 15% on the year, and analysts expect the stock to hit an upside of 5% in one year, giving it a price of $654.03 per share.

While this sounds low, and many Tesla investors believe the stock could reach numbers as high as $700 or $800 if the company can achieve one million deliveries or production units this year thanks to two new production facilities, analysts have a reason for their prediction.

Investors.com says:

“No, that’s not a whopping gain for an S&P 500 stock that dominated in 2020. But simply seeing the stock move higher would be a welcome change. Additionally, analysts think fundamentals back up their target. Tesla’s profit is expected to jump more than 45% just this year to $6.68 a share. Profit growth is propping up Tesla’s still decent 75 IBD Composite Rating.”

Unfortunately, Tesla stock has lagged over the first six months of the year, plagued by media coverage that hasn’t necessarily told the most candid stories regarding the company. Everything from Teslas being banned on Chinese government bases to potential brake problems in China to a six-month delay at the German facility known as Giga Berlin have halted Tesla’s potential growth on Wall Street. Many of these claims have been disproven, yet the automaker hasn’t been able to rebound on Wall Street, not recovering to its record highs.

Despite this, Tesla is still the most valuable automaker on the planet and the ninth-most valuable company in the world. With a market cap of $604.91 billion, Tesla leads Toyota, the thirty-fifth most valuable company globally, with a market cap of $250.58 billion.

Disclosure: Joey Klender is a TSLA Shareholder.

Tesla stock among biggest potential winners over the next year: analysts

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Source: https://www.teslarati.com/tesla-tsla-biggest-winners-analysts-say-2021/

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Artificial Intelligence

Tesla Artificial Intelligence Day to take place in about a month, Elon Musk says

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Tesla will hold an Artificial Intelligence Day, according to CEO Elon Musk, who said it would occur in “about a month or so.”

Musk also stated that the company “will go over progress with Tesla AI software and hardware, both training & inference. Purpose is recruiting.”

The news of an Artificial Intelligence Day follows Tesla’s Senior Director of AI, Andrej Karpathy’s presentation last night at the 2021 Conference on Computer Vision and Pattern Recognition (CVPR 2021). Karpathy detailed Tesla’s current Supercomputer that is assisting the company’s Neural Network store some of the most important data for Tesla’s mission to introduce fully autonomous vehicles in the coming years.

Interestingly, Musk noted in his Tweet that the event’s objective is not necessarily to show the strides Tesla has made to the public in its AI program, but actually to entice the world’s engineers and other talents to come work for Tesla. For years, Tesla has tried to recruit high-caliber talent to several of its departments, and the AI team is no different.

In the coming years, the Artificial Intelligence team will be a keystone part of Tesla’s overall outlook as a company. As it surges toward self-driving efforts behind the scenes, the company is making obvious steps to prepare real-world drivers for a future in autonomous driving. The most recent was the inclusion of a gaming GPU that could run some of the world’s most powerful games, a demonstration Tesla put on display at its recent Plaid Model S delivery event.

Over the past few years, Tesla has held several days dedicated to the numerous parts of the business it conducts. In 2019, it held Autonomy Day, where it went over the real-world efforts it was making to surge toward a “feature complete” Full Self-Driving suite. Last year, Tesla held Battery Day in September, which was coupled with its Annual Shareholder’s Meeting. Tesla unveiled the next generation of electric vehicle batteries at the event, as the 4680 cell continues volume production at the Kato Road facility and will be implemented into cars at Gigafactory Berlin and Gigafactory Texas.

No concrete date for AI Day has been announced yet. Tesla will likely give more details in the coming weeks.

Tesla Artificial Intelligence Day to take place in about a month, Elon Musk says

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Source: https://www.teslarati.com/tesla-artificial-intelligence-ai-day/

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