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Tesla’s 4680 battery ramp may experience a “Death Valley” start, but it will be overcome: expert

Credit: @Gfilche/Twitter

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To state that Tesla’s future lies in the success or failure of the 4680 battery is not an understatement. Without 4680 cells, Tesla’s efforts to create an affordable car at a price point beneath the Model 3 would likely be for naught. But if the company succeeds in ramping the production of its 4680 cells, Tesla could very well pave the way for electric vehicles to become the dominant form of personal transportation in the decades to come. 

Getting there would not be easy. Tesla formally announced its 4680 battery project in September 2020, and since then, the company has been working hard to ramp the production of the next-generation cell. Tesla produced its one millionth 4680 cell in January. That’s a milestone on its own, but it does show that the company still has a long way to go before it can fully ramp its new battery. 

Industry researcher Benchmark Mineral Intelligence estimates that one million 4680 cells are enough for just about 1,200 Model Ys. Tesla intends to produce far more than that per week in Gigafactory Texas alone. 

Tesla’s 4680 cells are not designed like conventional batteries, and they are not made like traditional cells either. Tesla plans to use a new manufacturing technology called dry electrode coating, which was obtained from the company’s acquisition of Maxwell Technologies in 2019. Dry electrode manufacturing would allow Tesla to skip a conventional step in traditional battery production, which should lower costs significantly

While Tesla acquired the technology, the innovations involved in the mass-production of 4680 cells using dry electrode coating are a massive challenge. Elon Musk has noted that the factory equipment for the process alone “doesn’t exist,” so they still have to be made. 

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Shirley Meng, a University of Chicago professor who previously worked with Maxwell, noted that Tesla’s 4680 battery efforts could change the industry. She also emphasized that Tesla’s challenges in mass-producing the next-generation battery would be immense. “He (Elon Musk) is changing the way how battery manufacturing is done. It’s really, really difficult to manufacture at a speed and at scale,” she said. She also stated that Tesla may have to experience a “Death Valley” start to scaling up the dry electrode process for 4680 cells. 

She does, however, believe that Tesla would overcome these difficulties. 

Other experts and longtime followers of the company seem to agree on the difficulty involved in developing and ramping a new type of battery cell. Caspar Rawles, chief data officer at Benchmark Mineral Intelligence, noted that fine-tuning the production equipment for battery production alone is an extremely long process, and one that challenges even the industry’s veterans. “There’s a very long process of fine-tuning the equipment before you can get to volume production. Battery production is hard, even hard for experienced suppliers,” he said. 

This definitely seems to be the case with Panasonic. The Japanese tech conglomerate has been a longtime partner of Tesla, and it already operates Gigafactory Nevada with the EV maker. However, recent comments from Kazuo Tadanobu, the CEO of Panasonic’s energy division, revealed that even Panasonic had to take its time to develop its 4680 batteries. Tadanobu noted that Tesla has already deemed Panasonic’s 4680 cells viable for use, but mass production of the new batteries is still expected to start by the fiscal year ending in March 2024.  

Tesla’s 4680 cells are expected to be used in vehicles like the Tesla Semi, the Cybertruck, and the company’s flagship supercar, the new Roadster. The next-generation batteries are also expected to be utilized in Tesla’s next big project, the production of an affordable $25,000 electric car.  

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*Quotes courtesy of Reuters.

Don’t hesitate to contact us with news tips. Just send a message to simon@teslarati.com to give us a heads up.

Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Elon Musk

We tested Tesla Full Self-Driving’s ability to let you text and drive

We decided to test it, and our main objective was to try to determine a more definitive label for when it would allow you to grab your phone and look at it without any nudge from the in-car driver monitoring system.

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Credit: Grok

On Thursday, Tesla CEO Elon Musk said that Full Self-Driving v14.2.1 would enable texting and driving “depending on [the] context of surrounding traffic.”

Tesla CEO Elon Musk announces major update with texting and driving on FSD

We decided to test it, and our main objective was to try to determine a more definitive label for when it would allow you to grab your phone and look at it without any nudge from the in-car driver monitoring system.

I’d also like to add that, while Tesla had said back in early November that it hoped to allow this capability within one to two months, I still would not recommend you do it. Even if Tesla or Musk says it will allow you to do so, you should take into account the fact that many laws do not allow you to look at your phone. Be sure to refer to your local regulations surrounding texting and driving, and stay attentive to the road and its surroundings.

The Process

Based on Musk’s post on X, which said the ability to text and drive would be totally dependent on the “context of surrounding traffic,” I decided to try and find three levels of congestion: low, medium, and high.

I also tried as best as I could to always glance up at the road, a natural reaction, but I spent most of my time, during the spans of when it was in my hand, looking at my phone screen. I limited my time looking at the phone screen to a few seconds, five to seven at most. On local roads, I didn’t go over five seconds; once I got to the highway, I ensured the vehicle had no other cars directly in front of me.

Also, at any time I saw a pedestrian, I put my phone down and was fully attentive to the road. I also made sure there were no law enforcement officers around; I am still very aware of the law, which is why I would never do this myself if I were not testing it.

I also limited the testing to no more than one minute per attempt.

I am fully aware that this test might ruffle some feathers. I’m not one to text and drive, and I tried to keep this test as abbreviated as possible while still getting some insight on how often it would require me to look at the road once again.

The Results

Low Congestion Area

I picked a local road close to where I live at a time when I knew there would be very little traffic. I grabbed my phone and looked at it for no more than five seconds before I would glance up at the road to ensure everything was okay:

Looking up at the road was still regular in frequency; I would glance up at the road after hitting that five-second threshold. Then I would look back down.

I had no nudges during this portion of the test. Traffic was far from even a light volume, and other vehicles around were very infrequently seen.

Medium Congestion Area

This area had significantly more traffic and included a stop at a traffic light. I still kept the consecutive time of looking at my phone to about five seconds.

I would quickly glance at the road to ensure everything was okay, then look back down at my phone, spending enough time looking at a post on Instagram, X, or Facebook to determine what it was about, before then peeking at the road again.

There was once again no alert to look at the road, and I started to question whether I was even looking at my phone long enough to get an alert:

Based on past versions of Full Self-Driving, especially dating back to v13, even looking out the window for too long would get me a nudge, and it was about the same amount of time, sometimes more, sometimes less, I would look out of a window to look at a house or a view.

High Congestion Area

I decided to use the highway as a High Congestion Area, and it finally gave me an alert to look at the road.

As strange as it is, I felt more comfortable looking down at my phone for a longer amount of time on the highway, especially considering there is a lower chance of a sudden stop or a dangerous maneuver by another car, especially as I was traveling just 5 MPH over in the left lane.

This is where I finally got an alert from the driver monitoring system, and I immediately put my phone down and returned to looking at the road:

Once I was able to trigger an alert, I considered the testing over with. I think in the future I’d like to try this again with someone else in the car to keep their eyes on the road, but I’m more than aware that we can’t always have company while driving.

My True Thoughts

Although this is apparently enabled based on what was said, I still do not feel totally comfortable with it. I would not ever consider shooting a text or responding to messages because Full Self-Driving is enabled, and there are two reasons for that.

The first is the fact that if an accident were to happen, it would be my fault. Although it would be my fault, people would take it as Tesla’s fault, just based on what media headlines usually are with accidents involving these cars.

Secondly, I am still well aware that it’s against the law to use your phone while driving. In Pennsylvania, we have the Paul Miller Law, which prohibits people from even holding their phones, even at stop lights.

I’d feel much more comfortable using my phone if liability were taken off of me in case of an accident. I trust FSD, but I am still erring on the side of caution, especially considering Tesla’s website still indicates vehicle operators have to remain attentive while using either FSD or Autopilot.

Check out our full test below:

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Elon Musk

Tesla CEO Elon Musk announces major update with texting and driving on FSD

“Depending on context of surrounding traffic, yes,” Musk said in regards to FSD v14.2.1 allowing texting and driving.

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Credit: carwow/YouTube

Tesla CEO Elon Musk has announced a major update with texting and driving capabilities on Full Self-Driving v14.2.1, the company’s latest version of the FSD suite.

Tesla Full Self-Driving, even in its most mature and capable versions, is still a Level 2 autonomous driving suite, meaning it requires attention from the vehicle operator.

You cannot sleep, and you should not take attention away from driving; ultimately, you are still solely responsible for what happens with the car.

The vehicles utilize a cabin-facing camera to enable attention monitoring, and if you take your eyes off the road for too long, you will be admonished and advised to pay attention. After five strikes, FSD and Autopilot will be disabled.

However, Musk announced at the Annual Shareholder Meeting in early November that the company would look at the statistics, but it aimed to allow people to text and drive “within the next month or two.”

He said:

“I am confident that, within the next month or two, we’re gonna look at the safety statistics, but we will allow you to text and drive.”

Today, Musk confirmed that the current version of Full Self-Driving, which is FSD v14.2.1, does allow for texting and driving “depending on context of surrounding traffic.”

There are some legitimate questions with this capability, especially as laws in all 50 U.S. states specifically prohibit texting and driving. It will be interesting to see the legality of it, because if a police officer sees you texting, they won’t know that you’re on Full Self-Driving, and you’ll likely be pulled over.

Some states prohibit drivers from even holding a phone when the car is in motion.

It is certainly a move toward unsupervised Full Self-Driving operation, but it is worth noting that Musk’s words state it will only allow the vehicle operator to do it depending on the context of surrounding traffic.

He did not outline any specific conditions that FSD would allow a driver to text and drive.

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Tesla Semi just got a huge vote of confidence from 300-truck fleet

The confidential meeting marks a major step for the mid-sized carrier in evaluating the electric truck for its regional routes.

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Credit: Tesla

The Tesla Semi is moving closer to broader fleet adoption, with Keller Logistics Group wrapping up a key pre-production planning session with the electric vehicle maker’s team this week. 

The confidential meeting marks a major step for the mid-sized carrier in evaluating the electric truck for its regional routes.

Keller’s pre-production Tesla Semi sessions

Keller Logistics Group, a family-owned carrier with over 300 tractors and 1,000 trailers operating in the Midwest and Southeast, completed the session to assess the Tesla Semi’s fit for its operations. The company’s routes typically span 500-600 miles per day, positioning it as an ideal tester for the Semi’s day cab configuration in standard logistics scenarios. 

Details remain under mutual NDA, but the meeting reportedly focused on matching the truck to yard, shuttle and regional applications while scrutinizing economics like infrastructure, maintenance and incentives.

What Keller’s executives are saying

CEO Bryan Keller described the approach as methodical. “For us, staying ahead isn’t a headline, it’s a habit. From electrification and yard automation to digital visibility and warehouse technology, our teams are continually pressure-testing what’s next. The Tesla Semi discussion is one more way we evaluate new tools against our standards for safety, uptime, and customer ROI. We don’t chase trends, we pressure-test what works,” Keller said. 

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Benjamin Pierce, Chief Strategy Officer, echoed these sentiments. “Electrification and next-generation powertrains are part of a much broader transformation. Whether it’s proprietary yard systems like YardLink™, solar and renewable logistics solutions, or real-time vehicle intelligence, Keller’s approach stays the same, test it, prove it, and deploy it only when it strengthens service and total cost for our customers,” Pierce said. 

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