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Tesla could be using a “4416” battery cell in Model 3 and next-gen S, X fleet

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Just days before Tesla releases official details for Model 3, including battery pack sizes and their respective driving range, a new rumor has emerged pointing to a new “4416” lithium ion battery cell being produced by the Silicon Valley-based electric car maker.

The news comes to us from Ben Sullins at Teslanomics who received an insider tip that Tesla has produced a significantly larger cylindrical battery cell that’s roughly 44mm in diameter and 160mm in height, also known as a 44160 cell, and currently being used in the Model 3 battery pack. The new information goes against previous speculation that Tesla will be using it’s newest high energy density 2170 cell in the Model 3. Tesla’s Gigafactory is currently producing 2170 cells for use in its commercial Powerwall and Powerpack battery storage systems.

We had previously reported that Model 3 will be available in a 60 kWh and 75 kWh battery pack option. Unlike Tesla’s flagship Model S and X which currently utilizes its traditional 18650 battery cell, packaged within 16 individual battery modules, Model 3 will utilize only 4 modules containing the much larger and higher energy density 44160 cell.

Though the new insider tip is highly speculative, a new cell design with higher energy density would validate Musk’s previous reveal that Model 3’s shorter wheelbase can only support up to a 75 kWh pack if used with Tesla’s current cell type. Musk also recently confirmed that their are no plans to use the 2170 cells in Model S and Model X vehicles.

A larger and more energy dense 44160 lithium ion cell would allow Tesla to presumably use less cells, lower battery pack weight, while achieving the same energy output. This would also explain why recent spy shots showing the battery meter on the Model 3 center display revealed that it was capable of over 300 miles of range from a 75 kWh pack. A lighter vehicle with a more energy dense battery pack means greater range.

Model 3’s assumed 310 mile driving range represents nearly a 20% increase over a Model S 75 which achieves 259 miles of range with a 75 kWh battery. Incidentally, Tesla confirmed that Model S 75 in rear wheel drive will be discontinued, fueling even more speculation that Tesla could be bringing 44160 cells to future Model S and Model X vehicles that are due for a refresh.

What do you think? Leave us your thoughts in our forum.

Updated: Tesla has confirmed the use of 2170 form factor cells in the Model 3

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Check out today’s Monday Teslanomics Live News where Ben discusses his thoughts around the topic.

I'm friendly. You can email me. gene@teslarati.com

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Here’s where Waymo is launching autonomous robotaxis next

Waymo has its sights set on three new U.S. cities in the months to come.

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Credit: Waymo

Google parent company Waymo has announced plans to bring its self-driving robotaxis to yet another U.S. city, adding to the list of those it plans to deploy the service to in the next several months.

On Tuesday, Waymo announced in a press release that it will be bringing its autonomous ride-hailing vehicles to Washington D.C. in 2026, after it recently announced plans to start deploying the services in Atlanta, Georgia, and Miami, Florida, sometime in 2025. The D.C. services will utilize the Waymo One app, unlike some of the cities which will roll out through a partnership agreement.

“Waymo One is making fully autonomous driving a reality for millions of people across the U.S.” said Tekedra Mawakana, Waymo Co-CEO. “We’re excited to bring the comfort, consistency, and safety of Waymo One to Washingtonians, those who work and play in the city every day, and the millions of people from around the world who travel to the District every year.”

The company says it plans to continue working closely with legislators on regulations needed to operate driverless vehicles in D.C. Additionally, Waymo says it’s currently operating over 200,000 fully autonomous, paid driverless ride-hails per week, as Tesla and others aim to enter the commercial robotaxi space in the coming months.

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“I’ve experienced firsthand how safely the Waymo Driver operates around pedestrians, cyclists, and other vulnerable road users,” writes Jonathan Adkins, the CEO of the Governors Highway Safety Association. “Waymo has worked with GHSA and our first responder network as they’ve expanded their service, always putting safety first. As someone who walks to work almost every day, I’m excited to share the road with Waymo in Washington, D.C.”

Waymo also recently launched its robotaxi services will deploy in a partnership with Uber in Austin, Texas, where Tesla also has a so-called Gigafactory and plans to roll out its own robotaxi services later this year. The company currently operates paid driverless ride-hailing or early testing in the following cities, primarily in the U.S.:

The news also comes as Tesla aims to roll out its first unsupervised drives with its in-house Full Self-Driving (FSD) software this summer, along with rolling out initial robotaxi ride-hailing services. While the company doesn’t currently operate any paid ride-hailing like Waymo One, the company’s vehicles can generate real-time training data from drivers with FSD Supervised engaged.

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Tesla Superchargers open to Hyundai’s EVs in the U.S.

Hyundai and Genesis are the latest brands to gain access to Tesla’s charging network.

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Tesla’s Superchargers are now officially open to Hyundai’s electric vehicles (EVs) across the U.S., adding to the wave of auto brands that can now charge on the once-exclusive network.

In a press release on Tuesday, Hyundai announced that owners of the Kona electric, Ioniq hatchback, Ioniq 5, Ioniq 5 N, and Ioniq 6, can charge at Tesla Superchargers in the U.S. using a CCS to NACS adapter, which the company is offering complimentary to owners. The news is set to give access to roughly 20,000 Superchargers in the U.S., as Tesla continues to roll out access to non-Tesla EV brands across the industry.

Hyundai says that those who purchased their EVs prior to January 31, 2025 will begin receiving emails on how to claim the free NACS adapters starting the week of April 7. The news also comes after Hyundai was the first automaker to debut a native NACS port with the Ioniq 5, beginning late last year.

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“Starting today, more Hyundai EV customers will have access to 20,000 Tesla Superchargers across North America, doubling their fast-charging options,” says Olabisi Boyle, Hyundai North America’s SVP of product planning and mobility strategy. “This move improves the public charging experience by giving our customers even more choice. It’s a vital part of our commitment to ease America’s transition to electric vehicle ownership.”

Currently, the news only applies to Superchargers in the U.S., though one spokesperson from the automaker told Teslarati that more details are expected to come about the launch of access in Canada later this year.

Tesla now lists Hyundai, and its subsidiary Genesis, on its website as EV brands that are able to charge at its Superchargers, along with several others which have been added in the past several months such as Polestar, Volvo, Mercedes-Benz, Lucid, and Rivian, among others.

Hyundai also had record auto sales in the U.S. in 2024, with general retail sales up 4 percent and EV sales up 13 percent year over year.

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Tesla CEO Elon Musk’s simple message to vandals

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Justin Pacheco, Public domain, via Wikimedia Commons

Tesla CEO Elon Musk had a simple and straightforward message to the vandals who continue to damage cars, showrooms, and Superchargers that the company and its owners utilize during an All-Hands meeting last week.

For the first time, Tesla and Musk broadcasted on X an All-Hands meeting the company held with its employees.

It seemed to be a justified response to skeptics and investors who have said that Musk has spent more time worrying about the Department of Government Efficiency (DOGE) than Tesla.

During the meeting, Musk showed the company’s roadmap for the remainder of 2025 and into 2026 and aimed to resolve any sort of skepticism regarding his commitment. He told the employees to “hang onto their stock,” and commented on Tesla’s future impact:

“It’s very difficult like for people in the stock market, especially those that look in the rearview mirror — which is most people — to imagine a future where suddenly a 10 million vehicle fleet has five to ten times the usefulness. It’s so profound and there’s no comparison with anything in the past that it does not compute. But it will compute in the future.”

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However, Musk did not stop there. He also had a message for those who have gone out of their way to key, damage, and sometimes even destroy Tesla vehicles and showrooms.

Several locations have been hit with gunfire, Molotov cocktails, and other things, while owners are reporting petty vandalism like keying and slashing tires more frequently now than ever.

Musk’s message to the vandals was simple:

“This is psycho. Stop being psycho!”

He continued:

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“If you read the news, it feels like, you know, Armageddon. It’s like, I can’t walk past the TV without seeing a Tesla on fire. Like, what’s going on? Some people, it’s like, listen, I understand if you don’t wanna buy our product, but you don’t have to burn it down. That’s a bit unreasonable.”

Tesla’s biggest haters have continued to spew violence toward the company and owners of its cars, with some even putting on bumper stickers that read things like “I bought this before Elon went crazy!” to hopefully divert attackers.

The company also has the help of the federal government. The FBI has already established a task force to help investigate instances of vandalism and violence against Tesla. Additionally, President Trump has said attacks against the company are being considered as domestic terrorism.

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