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Tesla battery supplier Panasonic attracts Stellantis & BMW

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Stellantis and BMW are reportedly talking with Tesla battery supplier Panasonic about potential new battery plants in North America. Tesla and Panasonic produce 2170 battery cells at Giga Nevada that power the Model 3 sedan and Model Y crossover. 

Panasonic is arguably the industry leader for cylindrical cells, thanks in no small part to its long partnership with Tesla. For over a decade, Panasonic has been supplying 18650 cells for the Model S sedan and Model X SUV and 2170 cells for the Model 3 and Model Y. The Japanese tech company has supplied billions of cylindrical cells to the American EV maker. 

Traditional automakers which produce electric cars tend to favor pouch or prismatic batteries, which typically require fewer batteries to power a vehicle. Cylindrical batteries such as those produced by Panasonic tend to be smaller, so thousands of cells are used for every car. But they also have advantages as they have high energy density and are relatively safe. 

Panasonic’s efforts seem to have paid off. In a recent report, The Wall Street Journal stated that Stellantis and BMW are both talking to Panasonic for the potential collaboration on one of its EV battery plants in North America. Citing people familiar with the matter, Stellantis is reportedly speaking with the Japanese battery maker for a third factory in North America. Stellantis has already started the construction of two EV battery factories for North America. It has partnered with LG Energy Solution in Canada and Samsung SDI in Indiana. 

The WSJ’s sources noted, however, that Stellantis’ discussions for its potential battery plant with Panasonic in North America are still in early stages.

BMW, on the other hand, noted last year that its new generation of electric cars from 2025 would be equipped with cylindrical batteries instead of prismatic cells. The automaker also announced plans to construct six new EV battery plants across Europe, China, and the North American free-trade zone, which includes the United States, Canada, and Mexico. 

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BMW stated in September that it had awarded contracts in the “two-digit billion-euro range” to CATL and Eve Energy Co. for the buildout of two factories each in China and Europe. The automaker also noted that it would be sourcing batteries in the United States Envision AESC, a subsidiary of China’s leading renewable energy company, Envision Group. 

BMW’s head of battery-cell technology Peter Lamp has disclosed that the automaker is currently in discussions with potential suppliers for additional battery projects. Lamp refrained from naming specific companies involved in the negotiations and noted that no contracts had been signed yet. 

Considering political tensions with China, however, Chinese battery makers may find it challenging to operate in the United States, the WSJ noted. This, ultimately ws one of the drivers behind BMW’s decision to speak with Panasonic, the publication’s sources stated. 

The Teslarati team would appreciate hearing from you. If you have any tips, contact me at maria@teslarati.com or via Twitter @Writer_01001101.

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Maria--aka "M"-- is an experienced writer and book editor. She's written about several topics including health, tech, and politics. As a book editor, she's worked with authors who write Sci-Fi, Romance, and Dark Fantasy. M loves hearing from TESLARATI readers. If you have any tips or article ideas, contact her at maria@teslarati.com or via X, @Writer_01001101.

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Elon Musk

SpaceX Starship just nailed something it’s never done before

SpaceX’s Starship flew successfully Friday, landing both stages and deploying its first Starlink V3 satellites.

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Starship’s thirteenth test flight delivered exactly what SpaceX needed with a clean liftoff, two successful stage recoveries, and the first real payload the vehicle has ever carried to space. Booster 20 and Ship 40 lifted off at 5:51 p.m. CT from Starbase, and by the time the mission wrapped roughly an hour later, both halves of the rocket had done exactly what they were supposed to do.

Booster 20 separated from Ship 40 a few minutes into the flight and stuck a controlled splashdown in the Gulf of Mexico about six minutes after liftoff. That is a meaningful turnaround from Flight 12 in May, when the booster lost several engines during its boostback burn before a hard water landing attempt.


Starship 40’s performance was arguably the bigger win. The vehicle deployed the first 20 operational Starlink V3 satellites Starship has ever carried, then flew a suborbital arc to a landing in the Indian Ocean that SpaceX commentator Dan Huot called the company’s softest splashdown yet. “This is a dream scenario for this team that’s trying to get this heat shield data,” Huot said on the live broadcast, according to Space.com’s live coverage. “I’m a little over the moon right now. Wow. Lucky number 13.”

Unlike the mass simulators SpaceX flew on Flight 12, these were production Starlink V3 satellites, meant to extend solar arrays and antennas and attempt to link with the broader constellation before reentering minutes later. Getting real hardware through a full deploy sequence on only the second flight of the V3 generation keeps Starship on schedule for the payload work NASA is counting on for future Artemis lunar landings.

— TESLARATI (@Teslarati) July 25, 2026

The flight also arrives at a moment when SpaceX needed a win. SPCX has traded below its $135 IPO price since mid-July, as Teslarati reported when the mission slipped to Friday, and short interest has climbed to roughly a third of the tradable float. A clean flight will not fix a balance sheet, but it does answer the one question SpaceX absolutely needed answered this week: whether the fixes made after the July 16 abort would hold up under real flight conditions. They did, on both stages, on the first try after the redesign.

SpaceX has not set a target date for Flight 14, though the company has said it wants to push toward an orbital attempt on the next mission. After Friday, that goal looks a lot more within reach.

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Tesla’s Supercharger Diner probably just secured more locations

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tesla diner
Credit: Tesla

Tesla’s Supercharger Diner in Los Angeles dominated the company’s global usage rankings after just one year, proving the concept is more than just a one-off novelty location that will fade away.

The performance could incite the company to build more locations, something that CEO Elon Musk has hinted at for some time.

Tesla’s Supercharger Diner delivered 21.2 GWh of energy in its first year of operation, the company’s head of Charging, Max de Zegher, revealed on X. Of the top 10 most utilized Supercharger locations in Tesla’s global infrastructure, the Diner in Los Angeles was the most used by drivers, and it wasn’t particularly close:

On its launch day one year ago, nobody was too sure what the Tesla Diner would be about. It seemed like an interesting concept, and considering it had been in the works for years, it was a highly anticipated launch that many were looking forward to.

Based on its success, we could see additional Diners with Superchargers built throughout the United States, and potentially beyond. Musk has said on several occasions that the company would be willing to bring the Diner idea to more markets.

Tesla makes major change at Supercharger Diner amid epic demand

Of the markets that Musk has mentioned, both Palo Alto and Austin have come to be perceived as ideal selections. However, there are no concrete plans as of now to build new Supercharger Diners anywhere; the location on Santa Monica Boulevard will remain the exclusive spot to pick up Tesla-inspired eats, at least for the time being.

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Investor's Corner

Tesla short sellers win big after shares fall after earnings

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A red Tesla Roadster driving around a turn
(Credit: Tesla)

Tesla short sellers won big following the company’s massive fall on Wall Street after it reported subpar Earnings on Wednesday.

Tesla short sellers collected about $4.12 billion in single-day profits on Thursday, according to BloombergShares fell as much as 15 percent during Thursday’s session. It closed as one of the worst days for Tesla on Wall Street in the past three years.

Investors sold off the stock after Tesla said it would aggressively direct its spending toward AI and its Optimus robot project. The company had record revenues, which were driven by one of the strongest quarters in terms of vehicle deliveries in company history.

However, it missed EPS estimates by reporting just $0.33, a far cry from the $0.53 analysts expected.

S3 Partners reported that about 3 percent of Tesla’s outstanding stock is sold short. Managing Director at S3, Ihor Dusaniwsky, provided the short seller’s potential profit, as well as another figure: shorts have likely had paper gains of $8.92 billion this year, as Tesla shares are down 30 percent in 2026.

Tesla (TSLA) Q2 2026 earnings results: miss on EPS, beat on revenue

Tesla has burned short sellers many times in the past, but the company’s latest Earnings Call was a chance for those skeptics to taste some payback. Although the company gave some very transparent information regarding future projects, the rollout of Robotaxi, Optimus, and Semi, many investors took their profits on Thursday.

Notable short sellers like Michael Burry have been transparent about their skepticism around Tesla shares. Burry just revealed three weeks ago that he had opened up a new short on the stock, stating he shorted Tesla shares at $416.22. “Happy it jumped back to this level,” he said in a blog post.

At the time of publication, Tesla shares were down about 3 percent and the stock was trading at $309.92.

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