Kazuo Tadanobu, the CEO of Panasonic’s energy division, recently shared some insights about the company’s upcoming 4680 batteries, which would be sold to longtime partner Tesla. Tadanobu mentioned a number of key observations about the upcoming batteries, particularly on how the 4680 cells could effectively initiate change in the transportation sector.
Panasonic has been working on its 4680 battery for about a year and a half now, and it has not been easy. According to the executive, the development of the new batteries has “taken an immense amount of stamina.” This was because creating 4680 batteries is not as simple as enlarging existing cells. Tadanobu noted that changing the entire shape of the cell took “considerable nerve,” and that Panasonic “didn’t know how they would be received” by Tesla.
Fortunately for Panasonic, Tesla has reportedly acknowledged the Japanese company’s work on its 4680 batteries. Tesla has reportedly deemed Panasonic’s 4680 cells viable, as they meet the level of performance that the American electric vehicle maker is seeking. This is a good sign for Panasonic’s 4680 program, considering that Tesla itself is also ramping the production of its in-house 4680 cells.
Tesla’s home-grown 4680 cells will likely see their initial deployment in the Made-in-Texas Model Y, which will be produced at Gigafactory Texas. So far, Tesla’s 4680 production is limited to the company’s pilot line in Kato Road, close to the Fremont Factory. That’s a facility that has the potential to ramp to 10 GWh per year, but it’s still being improved today, with the company announcing last month that it had produced its 1 millionth 4680 battery cell in January. Tesla would likely need as many 4680 batteries as it could get, considering the launch of upcoming vehicles such as the Cybertruck, Semi, and new Roadster.
Panasonic, for its part, has been sharing its battery partnership with Tesla with rivals such as LG Energy Solution and Contemporary Amperex Technology Co. (CATL), both of which are extremely aggressive. Yet despite the rising competition, such as LG Energy Solution previously stating back in 2020 that it intends to be Tesla’s primary battery supplier in the future, Panasonic believes that the quality and safety of its batteries would speak for themselves.
According to Tadanobu, Panasonic’s advantage in the market lies in its capability to “use craftsmanship to maintain safety even while raising the performance of a battery.” And after leading the development of the next-generation cells, the executive noted that Panasonic would work very hard to retain its spot. “We don’t want to lose,” the Panasonic executive said.
Overall, the executive explained that Panasonic’s hard work in developing 4680 batteries for clients like Tesla is due to the company’s belief that the cells themselves have the potential to change the world of transport. If 4680 battery cells become successful, they would have a considerable impact in lowering the cost of electric vehicles. And if this happens, electric vehicle adoption would likely increase. “We see them as a new path forward,” Tadanobu said.
*Quotes courtesy of Bloomberg, which interviewed Tadanobu in Osaka.
Don’t hesitate to contact us with news tips. Just send a message to simon@teslarati.com to give us a heads up.
Elon Musk
Elon Musk: Tesla Model Y is world’s best-selling car for 3rd year in a row
The Model Y has now established an impressive streak that would otherwise have been impossible before Tesla.
Elon Musk has announced that the Tesla Model Y has become the world’s best-selling car by volume for the third consecutive year, capping 2025 with another dominant performance.
The Model Y has now established an impressive streak that would otherwise have been impossible before Tesla.
Three years in a row
Musk posted on X: “Tesla Model Y is now officially the world’s best-selling car for the third year in a row!” The CEO’s comment echoed an update that Tesla included in its 2025 recap, which highlighted, among other things, the Model Y’s incredible streak.
The Model Y has held the title since 2023, outperforming traditional leaders like the Toyota RAV4 and Corolla thanks to its bang-for-the-buck nature and its stellar combination of practicality, performance, and tech. The Model Y is also lauded as one of the safest vehicles on the road, making it an ideal choice for families in key markets such as China.
An impressive 2025
The Model Y’s sales feat in 2025 is especially impressive considering the introduction of the vehicle’s new variant. Tesla’s changeover to the new Model Y across its global factories resulted in sales being paused for some time in the first quarter. As per Tesla’s Q1 2025 vehicle delivery and production report, “the changeover of Model Y lines across all four of our factories led to the loss of several weeks of production in Q1.”
This suggests that the Model Y’s sales remained strong in 2025 to the point where it could still claim the title of the world’s best-selling vehicle by volume, even with its sales being throttled during the first quarter of the year. It would then be interesting to see just how far the Model Y can go in 2026, especially considering the rollout of new variants like the six-seat extended wheelbase Model Y L, the affordable Model Y Standard, and the top-tier Model Y Performance.
News
Tesla shares epic 2025 recap video, confirms start of Cybercab production
The cinematic montage, posted by the official Tesla account on X, celebrated the company’s progress in EVs, energy, and Robotaxi development.
Tesla has released an epic year-in-review video for 2025, recapping some of its major achievements from refreshed models to autonomy breakthroughs and production ramps.
The cinematic montage, posted by the official Tesla account on X, celebrated the company’s progress in EVs, energy, and Robotaxi development while looking ahead to an even bigger 2026.
Tesla’s 2025 highlights recap
Tesla has had a busy 2025, as highlighted in the recap video. The video opened with Elon Musk explaining the company’s pursuit of sustainable abundance. A number of milestones were then highlighted, such as the rollout of FSD v14, Optimus’ numerous demos, the opening of the Tesla Diner in Hollywood, LA, the completion of the world’s first autonomous car delivery, and the launch of the Robotaxi network in Austin and the San Francisco Bay Area.
Tesla also highlighted several of its accomplishments over the year. As per the company, the Model Y was the year’s best-selling vehicle globally again, and Teslas became more affordable than ever thanks to the Model 3 and Model Y Standard. Other key models were also rolled out, such as the refreshed Model S and X, as well as the new Model Y, the new Model Y Performance, and the six-seat, extended wheelbase Model Y L.
The Megablock was also unveiled during the year, and the Supercharger Network grew by 18%. Over 1 million Powerwalls were also installed during the year, and the Cybertruck became the first EV truck to get both an IIHS Top Safety Pick+ award and an NHTSA 5-Star safety rating.
Cybercab production confirmed
Interestingly enough, Tesla also confirmed in its 2025 recap video that the production of the Cybercab has started. This bodes well for the vehicle, as it could result in the vehicle really being mass-produced in the first half of 2026. Elon Musk confirmed during the 2025 Annual Shareholder Meeting that Cybercab production should earnestly start around April 2026.
Musk has also noted that the Cybercab will be Tesla’s highest-volume vehicle yet, with the company aiming for an annual production rate of about 2 million units. “If you’ve seen the design of the Cybercab line, it doesn’t look like a normal car manufacturing line,” Musk said earlier this year. “It looks like a really high-speed consumer electronics line. In fact, the line will move so fast that actually people can’t even get close to it.”
News
Tesla Cybercab is changing the look of Austin’s roads, and it’s not even in production yet
Videos and photos showed the sleek, two-seat autonomous vehicles navigating traffic.
Even before entering production, Tesla’s Cybercab is already transforming the appearance of Austin’s streets, with multiple prototypes spotted testing in downtown areas recently.
Videos and photos showed the sleek, two-seat autonomous vehicles navigating traffic. Interestingly enough, the vehicles were equipped with temporary steering wheels and human safety drivers.
Recent Cybercab sightings
Over the weekend, enthusiasts captured footage of two Cybercabs driving together in central Austin, their futuristic silhouettes standing out amid regular traffic. While the vehicles featured temporary steering wheels and side mirrors for now, they retained their futuristic, production-intent exterior design.
Industry watcher Sawyer Merritt shared one of the vehicles’ videos, noting the increasing frequency of the autonomous two-seater’s sightings.
Previewing the autonomous future
Sightings of the Cybercab have been ramping in several key areas across the United States in recent weeks. Sightings include units at Apple’s Visitor Center in California, the Fremont factory test track, and in Austin’s streets.
The increased activity suggests that Tesla is in overdrive, validating the autonomous two-seater ahead of its planned volume production. Elon Musk confirmed at the 2025 Shareholder Meeting that manufacturing begins around April 2026 with ambitious targets, and during an All-Hands meeting earlier this year, Musk hinted that ultimately, Tesla’s factories should be able to produce one Cybercab every 10 seconds.
Elon Musk: Tesla Model Y is world’s best-selling car for 3rd year in a row
Tesla shares epic 2025 recap video, confirms start of Cybercab production
