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Tesla supplier Panasonic slashing domestic EV battery production

阪神強いなプラス(Japanese User), CC BY-SA 3.0 , via Wikimedia Commons

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Japanese company and Tesla supplier Panasonic announced plans on Monday to cut domestic production of electric vehicle (EV) batteries due to some vehicle sales being slower than initially planned.

Panasonic says it plans to cut Japanese EV battery production by as much as 60 percent, citing slower sales than expected for specific Tesla models, according to a report from Nikkei Asia.

Despite slashing production, Panasonic saw record profits of 288 billion yen ($1.9 billion) in the six-month period running through September. The profits were also aided by subsidies in the U.S. for EV battery operations.

The statement of plans to slash production came during an earnings call for the company on Monday, with Panasonic CFO Hirokazu Umeda saying that some EV battery production lines had already been stopped in hopes of reducing already existing stockpiles of EV batteries. The report notes that the 60 percent figure is compared to its production numbers in Q1, and it’s expected to last between now and March 2024, the company said.

Umeda also stated that Panasonic dropped the supply of its 1865 EV batteries to Tesla during Q2, and the company says it plans to use some of that extra capacity to work with other customers. These older batteries, according to Umeda, are still in use in Tesla Model S and Model X vehicles.

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He also alluded to the fact that the company may be looking beyond the auto industry for additional customers.

“We are talking with many other [potential domestic] customers,” Umeda said. “We are thinking of many uses [for the battery capacity].”

Currently, domestic EV battery production represents around 20 percent of Panasonic’s global total, and Umeda also noted that it will not increase production at its American factories at this time, either.

Panasonic’s record profits in the first half of the year came as consumer electronics saw a decrease in Asia as well as factory automation hardware in China. The profit record was in part due to 27.6 billion yen ($185.2 million) in federal U.S. subsidies during Q2, which have been split with Tesla.

The news comes after Panasonic shared plans in June to increase battery output at Tesla’s Gigafactory in Nevada as the site expands to accommodate additional production lines.

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Tesla supplier Panasonic breaks ground on 30 GWh EV battery plant in Kansas

What are your thoughts? Let me know at zach@teslarati.com, find me on X at @zacharyvisconti, or send your tips to us at tips@teslarati.com.

Zach is a renewable energy reporter who has been covering electric vehicles since 2020. He grew up in Fremont, California, and he currently lives in Colorado. His work has appeared in the Chicago Tribune, KRON4 San Francisco, FOX31 Denver, InsideEVs, CleanTechnica, and many other publications. When he isn't covering Tesla or other EV companies, you can find him writing and performing music, drinking a good cup of coffee, or hanging out with his cats, Banks and Freddie. Reach out at zach@teslarati.com, find him on X at @zacharyvisconti, or send us tips at tips@teslarati.com.

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Trump’s auto tariffs spark concerns in Japan

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Japan expressed concern over President Trump’s auto tariffs, citing inconsistencies with a 2019 bilateral trade deal signed with the U.S.

Prime Minister Shigeru Ishiba said Japan is committed to the 2019 agreement despite current concerns over President Trump’s new tariffs.

Trump’s tariffs impose a 25% duty on imported vehicles, effective April 3, 2025, and auto parts duties will be imposed in May. The 2019 U.S.-Japan trade deal, signed during Trump’s first term, reduced tariffs on U.S. farm goods and Japanese machine tools.

Then-Prime Minister Shinzo Abe secured assurances from Trump, stating, “Between President Trump and I, this has been firmly confirmed that no further, additional tariffs will imposed.”

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The 2019 bilateral trade deal did not cover auto trade between the United States and Japan. However, at the time, Prime Minister Abe had received assurances from President Trump that the U.S. would not impose national security tariffs on Japanese car imports. As such, the deal avoided higher U.S. car duties.

According to Reuters, Japan faces Trump’s 24% tariff on its exports to the United States, which were paused until July. Trump’s 25% auto tariff and a 10% universal rate remain intact, impacting Japan’s car-heavy economy.

Ishiba addressed the issue in parliament, noting, “Japan has grave concern over the consistency” between the tariffs and the 2019 bilateral deal. “We will continue to convey our stance (to the U.S.) from this standpoint,” he added, clarifying that Japan has no plans to terminate the agreement. The deal excluded automobile trade and remains a cornerstone of bilateral relations.

Japan’s trade negotiator, Ryosei Akazawa, visited Washington last week to discuss trade issues, including non-tariff barriers and exchange rates. Finance Minister Katsunobu Kato is set to meet U.S. Treasury Secretary Scott Bessent this week to address currency concerns, signaling Japan’s proactive diplomacy.

Japan’s firm stance reflects its intent to protect its auto sector while navigating U.S. trade policies. As talks continue, the outcome could shape bilateral trade dynamics and influence Japan’s export strategy amid ongoing tariff uncertainties.

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Elon Musk dubs lawsuit alleging false Tesla odometer readings “idiotic”

The lawsuit alleged that Tesla’s odometer readings use “predictive algorithms” instead of actual mileage driven.

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MINISTÉRIO DAS COMUNICAÇÕES, CC BY 2.0 , via Wikimedia Commons

Elon Musk has responded sharply to a lawsuit alleging that Tesla speeds up its vehicles’ odometers to avoid paying for warranty-covered repairs. 

Musk’s comment about the lawsuit’s allegations were posted on social media platform X.

The Lawsuit’s Allegations

The proposed class-action lawsuit claimed that Tesla is speeding up its vehicles’ odometers so that they can fall out of warranty quicker. This system, the lawsuit alleged, allows Tesla to save a significant amount of money in repairs.

The lawsuit’s plaintiff is Los Angeles resident Nyree Hinton, who alleged that his 2020 Tesla Model Y’s odometer readings reflect energy consumption, driver behavior and “predictive algorithms” instead of actual mileage driven, as noted in a Reuters report. 

Hinton claimed that based on other vehicles and driving history, his car was stating that he was driving 72 miles a day when he usually drove just 20 miles at most. Because of this, Hinton alleged that his basic warranty expired well ahead of schedule, resulting in him paying $10,000 for a suspension repair that he believes should have been covered by warranty. 

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“By tying warranty limits and lease mileage caps to inflated ‘odometer’ readings, Tesla increases repair revenue, reduces warranty obligations, and compels consumers to purchase extended warranties prematurely,” the lawsuit noted.

Elon Musk’s Response

Tesla and its legal team have fully denied all material allegations that were outlined in the proposed class-action lawsuit. In a comment to longtime FSD user @WholeMarsBlog on X, Tesla CEO Elon Musk also criticized the proposed class-action lawsuit. “This is idiotic,” the CEO wrote in a post on X.

Veteran EV owners have also stated on social media that the lawsuit’s claims were inaccurate since Tesla’s odometers do not, in any way, use predictive algorithms. Others also pointed out that repairs are not a major source of profit for Teslas because the company’s vehicles tend to last long without requiring maintenance or spare parts.

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Bizarre Tesla Cybertruck attacker in South Korea arrested and detained

The man is also accused of assaulting several people and damaging other vehicles during the incident.

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Credit: Tesla

A man who attacked a Tesla Cybertruck in South Korea’s Gangnam district has been arrested and detained.

As per reports, the man is also accused of assaulting a person and damaging several other vehicles during the incident.

The Incident

As per authorities, the suspect, who is in his 30s and is dubbed “Mr. A” (suspect names are typically not disclosed in South Korea to protect privacy and prevent possible prejudice), allegedly assaulted a hotel employee on the morning of April 15. 

Following the assault on the hotel employee, the suspect reportedly knocked over a delivery motorcycle. He then went over and kicked a Tesla Cybertruck that was owned by a nearby medical facility. One of the all-electric truck’s side mirrors was damaged due to the attack. 

As per a News 1 Korea report, Mr. A has also been accused of kicking four BMW vehicles at a nearby auto shop. The BMWs’ passenger side doors were damaged by the suspect.

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Charges and Arrest

As per the Seoul Gangnam Police Station in an announcement, an investigation into the incident is underway. The suspect was arrested on charges of special assault, property damage, and obstruction of business.

Authorities apprehended Mr. A in Seongnam, Gyeonggi Province, on April 18. An arrest warrant from the court was released the day after.

Cybertruck Attacks

The Tesla Cybertruck attack in South Korea is quite bizarre as the suspect assaulted both people and vehicles. The incident, if any, seems to be quite different from the attacks on Teslas that have been reported in the United States and Europe, which seemed to be political in nature and a response to CEO Elon Musk’s close relationship with President Donald Trump.

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