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Panasonic and Tesla Reach Agreement to Expand Supply of Automotive-Grade Battery Cells

Panasonic will expand its existing production of lithium-ion battery cells by 2 billion over the next four years to cover the increased demand from Tesla Motors. Sourced from the Tesla Motors Press Release:
OSAKA, Japan / PALO ALTO, Calif. — Panasonic Corporation and Tesla Motors today announced that the two companies have reached an agreement in which Panasonic will expand its supply of automotive-grade lithium-ion battery cells to Tesla. With this agreement, the two companies update and expand their 2011 arrangement to now supply nearly 2 billion cells over the course of four years. The lithium-ion battery cells purchased from Panasonic will be used to power the award winning Model S as well as Model X, a performance utility vehicle that is scheduled to go into production by the end of 2014.
This agreement builds upon a multi-year collaboration between Panasonic and Tesla to develop next-generation automotive-grade battery cells and accelerate the market expansion of electric vehicles. Panasonic’s cells combined with Tesla’s proven EV battery expertise have already enabled more than 130 million customer miles driven in Tesla Roadsters and Model S.
“This expanded agreement with Panasonic is important to Tesla as we continue to increase the pace of production,” said Tesla Co-Founder and CEO Elon Musk. “We look forward to strengthening our relationship with Panasonic, and I’m confident that this partnership will continue to be an integral part of Tesla’s success for years to come.”
Together, Panasonic and Tesla have developed a next-generation battery cell technology that provides the highest energy density and best performance cells in the market. Panasonic’s cylindrical cell is a customized technology designed specifically for optimizing electric vehicle quality and life. These cells are integrated by Tesla into the battery pack in a way that enables an industry-leading range of approximately 265 miles for the Model S.
“We are extremely proud to be a strategic partner of Tesla,” said Yoshihiko Yamada, president of the Automotive & Industrial Systems Company, an internal company of Panasonic. “Panasonic will increase its production capacity of lithium-ion battery cells to supply Tesla’s growing needs as it expands its production of EVs.”
ABOUT PANASONIC
Panasonic Corporation is a worldwide leader in the development and engineering of electronic technologies and solutions for customers in residential, non-residential, mobility and personal applications. Since its founding in 1918, the company has expanded globally and now operates over 500 consolidated companies worldwide, recording consolidated net sales of 7.30 trillion yen for the year ended March 31, 2013. Committed to pursuing new value through innovation across divisional lines, the company strives to create a better life and a better world for its customers. For more information about Panasonic, please visit the company’s website at panasonic.net
ABOUT TESLA
Tesla Motors’ (NASDAQ: TSLA) goal is to accelerate the world’s transition to electric mobility with a full range of increasingly affordable electric cars. California-based Tesla designs and manufactures EVs, as well as EV powertrain components for industry partners. Tesla has delivered over 15,000 electric vehicles to customers in 31 countries.
Image Source: SmallCameraBigPicture.com
News
Waymo faces federal probe after self-driving taxi fails to stop for school bus
In a statement, a Waymo representative stated that the company has “already developed and implemented improvements” that should help its fleet avoid similar incidents in the future.

Federal regulators have launched an investigation into Waymo’s self-driving vehicles after reports that one of its autonomous taxis failed to stop properly for a school bus.
The U.S. National Highway Traffic Safety Administration (NHTSA) stated that it’s reviewing around 2,000 Waymo vehicles following concerns that its autonomous systems may have violated traffic laws.
Waymo under review
According to a Reuters report, the NHTSA’s Office of Defects Investigation began the probe after flagging a media report involving a Waymo self-driving taxi that did not remain stationary when approaching a school bus. At the time of the incident, the school bus had its red lights flashing, its stop arm was deployed, and its crossing control arm was extended.
As per the ODI’s report, the Waymo initially stopped beside the bus before maneuvering around its front. This resulted in the vehicle passing the school bus’ extended stop arm and crossing control arm. Students from the bus were disembarking when the Waymo committed the error. The vehicle was operating without a safety driver at the time, and it was equipped with Waymo’s fifth-generation Automated Driving System (ADS).
Software fix already in place
In a statement, a Waymo representative stated that the company has “already developed and implemented improvements related to stopping for school buses and will land additional software updates in our next software release.” The spokesperson also highlighted that Waymo prioritizes the safety of pedestrians, especially children, in its vehicles’ operations.
“Driving safely around children has always been one of Waymo’s highest priorities. In the event referenced, the vehicle approached the school bus from an angle where the flashing lights and stop sign were not visible and drove slowly around the front of the bus before driving past it, keeping a safe distance from children,” Waymo noted.
Waymo, which is owned by Alphabet, operates a fleet of more than 1,500 robotaxis in major U.S. cities, including Phoenix, Los Angeles, San Francisco, and Austin. The company continues to expand its footprint and plans future operations in Tokyo and London.
News
Kia and Tesla top list in Swedish study of strongest EV batteries
A major Swedish study has revealed which electric vehicles hold their battery health the best, and Kia and Tesla came out on top.

A major Swedish study has revealed which electric vehicles hold their battery health the best, and Kia and Tesla came out on top.
Swedish car broker Kvdbil initiated a test of more than 1,300 used BEVs and plug-in hybrids to determine which models retain the best battery capacity over time. Based on the study’s results, the Kia EV6, Kia e-Niro, and the Tesla Model Y were deemed the best.
Kia and Tesla lead the pack
Kvdbil’s test results are bullish for electric vehicles as a whole. The study showed that eight out of ten used electric cars still had at least 90% of their original battery capacity. Kia’s EV6 and e-Niro finished first and second in the rankings, while Tesla’s Model Y came in third. As per CarInfo data, Sweden currently has 12,148 Kia EV6 registered, while there are 48,488 Model Y.
In a comment to the media, test manager Martin Reinholdsson stated, “They are actually better than we thought. We were a bit surprised that there were so many that were this good.”
In a way, Tesla’s strong performance in the test carries extra weight since the Model Y is one of Sweden’s best-selling EVs, giving the test a much larger sample size compared to Kia’s smaller but highly rated fleet.
Battery tech, driver habits, and age all play a role
Kvdbil noted that the test’s standout results could be attributed to advanced battery management systems and careful engineering, as noted in a report from the Sweden Herald. At the same time, the study also found that factors like charging routines, driving style, and the age of a vehicle can influence capacity retention.
Rounding out the top ten were entries from Opel, Mazda, Audi, Fiat, Volvo, Citroën, and Volkswagen, as noted in a CarUp report.
This is not the first time that Tesla’s battery prowess has shown its strength. Last year, reports emerged stating that a Tesla Model S 90D from Chesterfield, UK, had traveled 430,000 miles on its original motors and batteries. Over that period, which was comprised of constant Supercharging sessions due to the car being used as an airport taxi, the Model S 90D only lost 65 miles of range.
News
Tesla just made Service even easier and more convenient
The new feature is rolling out to iOS users now; we have not heard any confirmation from Android phone users whether they are receiving it too.

Tesla just made servicing your vehicle even easier and more convenient than it already is.
All it did was add a new section to its smartphone app.
Tesla has officially launched a new Maintenance tab that estimates the repair date and cost, and uses vehicle data to determine if any part is in need of replacement.
It can be found by accessing the app, going to Service, then hitting Request Service, and then Maintenance.
This can be accessed in your Tesla App by touching:
Service —> Request Service —> Maintenance https://t.co/WXrhm6KpZZ pic.twitter.com/xpFx4tHs3O
— TESLARATI (@Teslarati) October 20, 2025
The new feature is rolling out to iOS users now; we have not heard any confirmation from Android phone users whether they are receiving it too. Since it is not a vehicle capability, we do not believe Tesla will delay the release of the feature to Android phones.
Teslas are already well known for having extremely low maintenance needs, and semi-annual check ups usually only require a tire rotation and some additional windshield washer fluid. There is not a need for things like oil changes or other things that are routinely needed on combustion engine cars due to the lack of parts.
Additionally, the small addition to the company’s smartphone app will help facilitate needs for Service, and could help relieve some congestion, while also streamlining the repair process for technicians.
Tesla to make app change for easier communication following Service
One of the biggest complaints about owning a Tesla is Service wait times, as availability can be extremely limited in some areas. However, Tesla has done a lot to work on increasing the number of Service centers it has, while also working hard to streamline service and make it less time-consuming.
Tesla has aimed to have an F1-style service experience, but it has not worked out that way. With that being said, there are significantly fewer complaints with Tesla’s Service division than in years past. With the presence of Mobile Technicians and more refined Service processes, things are definitely improving.
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