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Tesla announces 100 millionth 4680 battery cell production milestone

Credit: Tesla/X

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Tesla has announced that it has produced its 100 millionth 4680 battery cell across all its factories. The update came just over three months after the company announced that it had produced a total of 50 million 4680 cells. 

The milestone was posted on Tesla’s official social media account on X. Tesla included an image of its 100 millionth 4680 battery being held by an Optimus Gen 2 humanoid robot in its post. 

Industry watchers who have closely watched the development of Tesla’s 4680 program were quite impressed with the electric vehicle maker’s recent milestone. Tesla, after all, just announced on June 5 that it had produced its 50 millionth 4680 cell at Giga Texas. 

Considering the 101 days that have elapsed since the June announcement, Tesla appears to have produced, at least on average, about 495,000 4680 cells per day. Each Cybertruck is equipped with 1,344 4680 cells, so such an average output would translate to a production capacity of about 368 Cybertrucks a day, or 2,578 per week. 

This also suggests that based on the output of the 4680 battery cells, Tesla could produce 33,514 Cybertrucks per quarter, or about 134,280 units of the all-electric pickup truck per year, as estimated by Tesla battery enthusiast The Limiting Factor in a post on X. 

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Recent aerial footage taken of the Giga Texas complex reveals that the electric vehicle maker is hard at work ramping up the production of the Cybertruck. Despite this, recent estimates hint that Tesla is still just closing in on producing 2,000 Cybertrucks per week. 

This may then suggest that for now, at least, the supply of 4680 cells is no longer the bottleneck for the Cybertruck’s production. Of course, Tesla may also be stockpiling some 4680 cells in preparation for the Cybertruck’s increase in production once the Foundation Series formally ends. 

The progress of Tesla’s 4680 battery cell program has been remarkable this year. Announced in Tesla’s 2020 Battery Day event, the 4680 cell program saw notable delays, to the point where company critics were claiming that Elon Musk might give up on the whole program. Earlier this year, however, a report from China emerged stating that Tesla is finally planning on mass producing the “complete” version of the 4680 cell—which includes a dry positive and negative electrode—by the end of this year. 

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

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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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Tesla China’s domestic sales fell 4.8% in 2025, but it’s not doom and gloom

Despite the full-year dip, Tesla finished the year with record domestic sales in December.

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Credit: Grok Imagine

Tesla posted 625,698 retail vehicle sales in China in 2025, marking a 4.8% year-on-year decline as the EV maker navigated an increasingly competitive EV market and a major production transition for its best-selling vehicle. 

Despite the full-year dip, Tesla finished the year with record domestic sales in December.

Retail sales slip amid Model Y transition

Tesla’s 2025 retail sales in China were down from 657,102 units in 2024, when the company ranked third in the country’s new energy vehicle (NEV) market with a 6.0% share. In 2025, Tesla’s share slipped to 4.9%, placing it fifth overall, as noted in a CNEV Post report.

Part of the decline seemed tied to operational disruptions early in the year. Tesla implemented a changeover to the new Tesla Model Y in the first quarter of 2025, which required temporary production pauses at Giga Shanghai. That downtime reduced vehicle availability early during the year, weighing on the company’s retail volumes in China and in areas supplied by Giga Shanghai’s exports.

China remained one of Tesla’s largest markets, accounting for 38.24% of its global deliveries of 1.64 million vehicles in 2025. However, the company also saw exports from Giga Shanghai fall to 226,034 units, down nearly 13% year-on-year. It remains to be seen how much of this could be attributed to the Model Y changeover and how much could be attributed to other factors. 

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Strong December 2025 finish

While the full-year picture showed some contraction, Tesla closed 2025 on a high note. According to data from the China Passenger Car Association (CPCA), Tesla China delivered a record 93,843 vehicles domestically in China in December, its highest monthly total ever. That figure was up 13.2% from a year earlier and 28.3% higher than November.

The surge was driven in part by Tesla prioritizing domestic deliveries late in the year, allowing buyers to lock in favorable purchase tax policies. In December alone, Tesla captured 7.0% of China’s NEV market and a notable 12.0% share of the country’s battery-electric segment.

On a wholesale basis, Tesla China sold 851,732 vehicles in 2025, down 7.1% year-on-year. From this number, 97,171 were from December 2025 alone. Tesla Model 3 wholesale figures reached 312,738 units, a year-over-year decrease of 13.12%. The Tesla Model Y’s wholesale figures for 2025 were 538,994 units, down 3.18% year-over-year.

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Tesla Robovan’s likely first real-world use teased by Boring Company President

As per the executive, the vehicle will be used to move large crowds through Las Vegas during major events. 

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Credit: Grok Imagine

The Boring Company President Steve Davis has shared the most likely first real-world use for Tesla’s Robovan.

As per the executive, the vehicle will be used to move large crowds through Las Vegas during major events. 

Tesla Robovan for high-demand events

During a feature with the Las Vegas Review-Journal, Boring Company President Steve Davis stated that the Tesla Robovan will be used in Sin City once the Vegas Loop expands across the Strip and downtown and the fleet grows to about 1,200 Teslas. 

At that scale, Robovans would primarily be deployed during predictable surges, such as game days and large shows, when many riders are traveling to the same destination at the same time.

“The second you have four (passengers) and you have to start stopping, the best thing you can do is put your smallest vehicle in, which is a car. But if you know people are going to the stadium because of a game, you’ll know an hour before, two hours before, that a lot of people are going to a game or a Sphere show, if you are smart about it, that’s when you put a high occupancy vehicle in, that’s when you put the Robovan in,” Davis said.

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Credit: Tesla

Vegas Loop expansion

Steve Davis’s Robovan comment comes amid The Boring Company’s efforts to expand the Vegas Loop’s airport service. Phase 1 of rides to Harry Reid International Airport began last month, allowing passengers to travel from existing Loop stations such as Resorts World, Encore, Westgate, and the Las Vegas Convention Center.

Phase 2 will add a 2.2-mile dual-direction tunnel from Westgate to Paradise Road. That section is expected to open within months and will allow speeds of up to 60 mph on parts of the route, while expanding the fleet to around 160 vehicles.

Future phases are expected to extend tunnels closer to airport terminals and add multiple stations along University Center Drive. At this point, the system’s fleet is expected to grow close to 300 Teslas. The final phase, an underground airport station, was described by Davis as the system’s “holy grail.” This, however, has no definite timeframe as of yet. 

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Tesla seeks engineer to make its iOS Robotaxi app feel “magical”

It appears that Tesla is hard at work in ensuring that users of its Robotaxi service are provided with the best user experience possible.

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Credit: Grok Imagine

Tesla is hiring an iOS Engineer for its Robotaxi app team, with the job posting emphasizing the creation of polished experiences that make the service not just functional, but “magical.”

Needless to say, it appears that Tesla is hard at work in ensuring that users of its Robotaxi service are provided with the best user experience possible.

Robotaxi App features

As observed by Tesla community members, Tesla has gone live with a job listing for an iOS Engineer for its Robotaxi App. The job listing mentions the development of a “core mobile experience that enables customers to summon, track, and interact with a driverless vehicle. From requesting a ride to enabling frictionless entry, from trip planning to real-time vehicle status and media control.”

Interestingly enough, the job listing also mentioned the creation of polished experiences that make the Robotaxi more than just functional. “You will take full ownership of features—from architecture design to robust implementation—delivering delightful and polished experiences that make Robotaxi not just functional, but magical,” Tesla noted in its job listing.

Apple’s “magical” marketing

Tesla’s use of the word “magical” when referring to the Robotaxi app mirrors the marketing used by Apple for some of its key products. Apple typically uses the word when referring to products or solutions that transform complex technology into something that feels effortless, simple, and natural to daily life. Products such as the AirPods’ seamless pairing with the iPhone and FaceID’s complex yet simple-to-use security system have received Apple’s “magical” branding. 

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With this in mind, Tesla seems intent on developing a Robotaxi app that is sophisticated, but still very easy to use. Tesla already has extensive experience in this area, with the Tesla App consistently being hailed by users as one of the best in its segment. If Tesla succeeds in making the Robotaxi app worthy of its “magical” branding, then it wouldn’t be a surprise if the service sees rapid adoption even among mainstream consumers. 

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