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Tesla partner Panasonic’s US plans hint at possible Model S and X battery update
Tesla might be looking to expand its array of battery suppliers with the upcoming construction and operation of Gigafactory 3 in China, but its current exclusive battery supplier, Panasonic, is looking to double down on its partnership with the electric car maker nonetheless. In a recent statement to Japanese media, Panasonic announced that it plans to move its Tesla battery production facilities to the United States next year.
Panasonic already manufactures batteries for Tesla’s vehicles in the US in Gigafactory 1, though the cells it produces on the site are the 2170 cells being utilized for the Model 3. Tesla’s two flagship vehicles — the Model S and Model X — are still equipped with custom 18650 cells, which are produced by Panasonic in facilities located in Japan. Based on a report from the Nikkei Asian Review, these are the operations that the Japanese company will be bringing over to a “US-based unit starting next April.”
Considering that Panasonic is already producing 2170 cells for the Model 3 in Gigafactory 1, the company’s move of its Tesla battery production lines to a US-based facility could pave the way for a well-deserved and much-anticipated battery update for the Model S and X. The move, if any, provides Panasonic the opportunity to normalize its battery production for Tesla’s electric cars. It does not seem to be a strategic move for Panasonic, after all, to move its battery production operations to the United States to manufacture 18650 cells that are bound to be upgraded in the near future.
Tesla’s 18650 cells for the Model S and X, while not as energy-dense as the Model 3’s 2170 cells, still hold up well today. A recent range and efficiency test of the Jaguar I-PACE by German network nextmove, for example, showed that the Model X, which is equipped with 18650 cells, still seems to have superior battery tech than the newer electric crossover from the British carmaker. Elon Musk, for his part, lauded the Model 3’s 2170 cells in the third quarter earnings call, stating that the electric car currently stands as the “most energy efficient energy per mile electric vehicle out there.”
Tesla’s 2170 cells are hailed by industry experts as a difference-maker for the Silicon Valley-based company. Detroit veteran Sandy Munro, for one, noted after tearing down and analyzing the Model 3 that the electric car’s 2170 batteries are the best that he has seen to date. The potential of the 2170 cells could be seen in the Model 3 Performance’s recent Track Mode update, which allows the electric car to compete with the automotive industry’s best high-performance sedans on a closed circuit.
Elon Musk has noted that there is no such thing as a “full refresh” for its vehicles. In a statement on Twitter, Musk pointed out that Tesla’s electric cars are partially upgraded every month “as soon as a new subsystem is ready for production.” With this in mind, there seems to be little doubt that when the production of 2170 cells reaches a point where it is capable of supporting the Model S and X, Tesla will equip the vehicles with the larger, newer cells.
Both the Model S and Model X have defied the odds over the years, competing and even dominating their respective segments despite an abundance of skepticism and Tesla’s lack of experience in the auto industry. Considering that the vehicles are Tesla’s flagships, though, it stands to reason that both electric cars would be equipped with the best that the company has to offer — in terms of batteries, that pertains to the 2170 cells.
Elon Musk
Tesla AI5 chip nears completion, Elon Musk teases 9-month development cadence
The Tesla CEO shared his recent insights in a post on social media platform X.
Tesla’s next-generation AI5 chip is nearly complete, and work on its successor is already underway, as per a recent update from Elon Musk.
The Tesla CEO shared his recent insights in a post on social media platform X.
Musk details AI chip roadmap
In his post, Elon Musk stated that Tesla’s AI5 chip design is “almost done,” while AI6 has already entered early development. Musk added that Tesla plans to continue iterating rapidly, with AI7, AI8, AI9, and future generations targeting a nine-month design cycle.
He also noted that Tesla’s in-house chips could become the highest-volume AI processors in the world. Musk framed his update as a recruiting message, encouraging engineers to join Tesla’s AI and chip development teams.
Tesla community member Herbert Ong highlighted the strategic importance of the timeline, noting that faster chip cycles enable quicker learning, faster iteration, and a compounding advantage in AI and autonomy that becomes increasingly difficult for competitors to close.
AI5 manufacturing takes shape
Musk’s comments align with earlier reporting on AI5’s production plans. In December, it was reported that Samsung is preparing to manufacture Tesla’s AI5 chip, accelerating hiring for experienced engineers to support U.S. production and address complex foundry challenges.
Samsung is one of two suppliers selected for AI5, alongside TSMC. The companies are expected to produce different versions of the AI5 chip, with TSMC reportedly using a 3nm process and Samsung using a 2nm process.
Musk has previously stated that while different foundries translate chip designs into physical silicon in different ways, the goal is for both versions of the Tesla AI5 chip to operate identically. AI5 will succeed Tesla’s current AI4 hardware, formerly known as Hardware 4, and is expected to support the company’s Full Self-Driving system as well as other AI-driven efforts, including Optimus.
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Tesla Model Y and Model 3 named safest vehicles tested by ANCAP in 2025
According to ANCAP in a press release, the Tesla Model Y achieved the highest overall weighted score of any vehicle assessed in 2025.
The Tesla Model Y recorded the highest overall safety score of any vehicle tested by ANCAP in 2025. The Tesla Model 3 also delivered strong results, reinforcing the automaker’s safety leadership in Australia and New Zealand.
According to ANCAP in a press release, the Tesla Model Y achieved the highest overall weighted score of any vehicle assessed in 2025. ANCAP’s 2025 tests evaluated vehicles across four key pillars: Adult Occupant Protection, Child Occupant Protection, Vulnerable Road User Protection, and Safety Assist technologies.
The Model Y posted consistently strong results in all four categories, distinguishing itself through a system-based safety approach that combines structural crash protection with advanced driver-assistance features such as autonomous emergency braking, lane support, and driver monitoring.

This marked the second time the Model Y has topped ANCAP’s annual safety rankings. The Model Y’s previous version was also ANCAP’s top performer in 2022.
The Tesla Model 3 also delivered a strong performance in ANCAP’s 2025 tests, contributing to Tesla’s broader safety presence across segments. Similar to the Model Y, the Model 3 also earned impressive scores across the ANCAP’s four pillars. This made the vehicle the top performer in the Medium Car category.
ANCAP Chief Executive Officer Carla Hoorweg stated that the results highlight a growing industry shift toward integrated safety design, with improvements in technologies such as autonomous emergency braking and lane support translating into meaningful real-world protection.
“ANCAP’s testing continues to reinforce a clear message: the safest vehicles are those designed with safety as a system, not a checklist. The top performers this year delivered consistent results across physical crash protection, crash avoidance and vulnerable road user safety, rather than relying on strength in a single area.
“We are also seeing increasing alignment between ANCAP’s test requirements and the safety technologies that genuinely matter on Australian and New Zealand roads. Improvements in autonomous emergency braking, lane support, and driver monitoring systems are translating into more robust protection,” Hoorweg said.
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Tesla Sweden uses Megapack battery to bypass unions’ Supercharger blockade
Just before Christmas, Tesla went live with a new charging station in Arlandastad, outside Stockholm, by powering it with a Tesla Megapack battery.
Tesla Sweden has successfully launched a new Supercharger station despite an ongoing blockade by Swedish unions, using on-site Megapack batteries instead of traditional grid connections. The workaround has allowed the Supercharger to operate without direct access to Sweden’s electricity network, which has been effectively frozen by labor action.
Tesla has experienced notable challenges connecting its new charging stations to Sweden’s power grid due to industrial action led by Seko, a major Swedish trade union, which has blocked all new electrical connections for new Superchargers. On paper, this made the opening of new Supercharger sites almost impossible.
Despite the blockade, Tesla has continued to bring stations online. In Malmö and Södertälje, new Supercharger locations opened after grid operators E.ON and Telge Nät activated the sites. The operators later stated that the connections had been made in error.
More recently, however, Tesla adopted a different strategy altogether. Just before Christmas, Tesla went live with a new charging station in Arlandastad, outside Stockholm, by powering it with a Tesla Megapack battery, as noted in a Dagens Arbete (DA) report.
Because the Supercharger station does not rely on a permanent grid connection, Tesla was able to bypass the blocked application process, as noted by Swedish car journalist and YouTuber Peter Esse. He noted that the Arlandastad Supercharger is likely dependent on nearby companies to recharge the batteries, likely through private arrangements.
Eight new charging stalls have been launched in the Arlandastad site so far, which is a fraction of the originally planned 40 chargers for the location. Still, the fact that Tesla Sweden was able to work around the unions’ efforts once more is impressive, especially since Superchargers are used even by non-Tesla EVs.
Esse noted that Tesla’s Megapack workaround is not as easily replicated in other locations. Arlandastad is unique because neighboring operators already have access to grid power, making it possible for Tesla to source electricity indirectly. Still, Esse noted that the unions’ blockades have not affected sales as much.
“Many want Tesla to lose sales due to the union blockades. But you have to remember that sales are falling from 2024, when Tesla sold a record number of cars in Sweden. That year, the unions also had blockades against Tesla. So for Tesla as a charging operator, it is devastating. But for Tesla as a car company, it does not matter in terms of sales volumes. People charge their cars where there is an opportunity, usually at home,” Esse noted.