Tesla’s Battery Day is coming tomorrow after the electric car maker’s 2020 Annual Shareholder Meeting. During the event, Tesla is expected to discuss the details of its next-generation battery cells, as well as their role in the world’s acceleration in sustainable energy. Actual details about Battery Day have been pretty scarce save for a few potential leaks, but that has not stopped the Tesla community from speculating about what the highly-anticipated event would involve.
A concise summary of the current expectations for Battery Day was recently shared by Tesla Daily’s Rob Maurer, who compiled a list of topics that the electric car maker could cover during the event. Following then is a list of expectations about what Tesla could discuss tomorrow, as the company finally shows the world what it has been working on with regards to its battery technology.
A New Cell Design
Tesla has been teasing that it would be going into the production of battery cells. So far, leaks suggest that the company is about to adopt a larger form factor for its batteries, similar to how Tesla introduced the 2170 cells for the Model 3, which were larger than the 18650 cells used in the Model S and Model X. Leaks have pointed to Tesla’s new cells possibly adopting a 54×98 form factor, which has about 10x the volume of a 2170 cell.
With larger form factors, the electrons and the ions travel larger distances as they move around in the cell, generating more friction and heat. This is a huge downside to larger cells, but Tesla’s tabless battery patent may hold the key to solving this issue. With a tabless battery cell design, the distance traveled by electrons and ions is largely reduced, limiting the disadvantages inherent among large cells. Such a design has several advantages, including better energy density and a more efficient manufacturing process.
Battery Chemistry
Speculations are abounding that Tesla may discuss the amount of silicon that it is using in the anode of its next-generation cells. The more silicon that is used, the better the energy density. However, the utilization of silicon usually results in cracked anodes over time, reducing battery performance and life. Introducing more silicon into the anode is something that battery researchers have been attempting to accomplish for a while now, so it would be quite interesting if the electric car maker would announce some headway into its silicon use as well.
Tesla may also discuss Maxwell’s technology and how it is being used for the company’s electric cars and energy storage devices. Maxwell has developed numerous innovations prior to its acquisition by Tesla, though the most relevant part of the company’s work in relation to the electric car maker is arguably its dry battery electrode tech. Considering that traditional lithium-ion batteries produce their electrodes in a wet slurry format (a rather lengthy process), dry electrode technology could vastly improve not only the energy density of Tesla’s cells, they could improve the production output of the batteries themselves as well.
Cell-to-Pack Innovations
Tesla’s battery packs today feature cells that are packed into modules that are then packed into a battery pack. Back in the days of the original Roadster, battery modules were used as a means for the company to take out parts of the battery that may need to be replaced without taking out the entire pack. That was 12 years ago, however, and much has happened since then. Tesla has transitioned from a budding niche electric car maker to the manufacturer of the market’s best-selling EVs.
As Elon Musk noted in the past, battery modules today are pretty much just an extra step, taking up weight without really serving a legitimate purpose. Musk then stated that the future is cell to pack without modules, suggesting that the company’s next-generation batteries will be using a cell-to-pack design. Such an innovation gives numerous benefits to Tesla, from lower production costs to possibly even better energy density.
Battery Manufacturing and the Roadrunner Line
Elon Musk has always been pretty transparent about Tesla’s mission, which is to accelerate the advent of sustainable energy. Having enough batteries to enable such a transition is key to this goal. With this in mind, the potential innovations that Tesla will be discussing in Battery Day — a larger form factor that would allow the company to produce fewer cells to get the same amount of energy; a tabless cell design that could make production easier; dry electrode tech that could greatly increase the production capacity density of each battery; and a cell-to-pack design that should allow the production of batteries with less equipment at less cost — could ultimately pave the way for electric vehicles and energy storage products that are significantly better than the industry standard today.
The Roadrunner project in Fremont is expected to be a central component of Tesla’s battery manufacturing plans, with attendees to the event being shown just how fast the company could produce its battery cells using its in-house production process. Elon Musk seems to be hyping the Roadrunner line recently on Twitter as well, when he made references to a game called “Factorio,” which happens to be a title focused on growing and maintaining advanced, efficient factories.
The Million-Mile Battery
The million-mile battery has been heavily speculated for Battery Day. Tesla’s electric cars are already capable of lasting long despite heavy use, but with batteries and powertrains that could last a million miles, the company could create a generation of vehicles that are designed to be always operational for an extended period of time. Million-mile batteries are then crucial for Tesla’s plans to roll out a Robotaxi service, which involves vehicles traveling long distances every year.
The Plaid Powertrain
With Tesla’s battery innovations in mind, speculations are high that the company would unveil its first vehicles that would carry its next-generation cells on Battery Day. Among Tesla’s ongoing projects, the Roadrunner cells seem to be a perfect match for cars like the Plaid Model S, Plaid Model X, and next-generation Roadster. All three vehicles have been confirmed by Elon Musk to feature the company’s upcoming “Plaid Powertrain,” which is something that has been heavily teased for some time now. Interestingly enough, updates on Tesla’s Plaid vehicles have been pretty scarce lately, making an announcement on Battery Day somewhat likely.
Watch Rob Maurer’s full Tesla Battery Day predictions in the video below.
News
Tesla’s little-known secret about its Diner might be the best feature of all
Tesla is not letting its servers go untipped, it’s taking care of that for its employees on its own.
Tesla’s Supercharger Diner in Los Angeles has a little-known secret, and in all honesty, it might be the best part of the entire thing.
Tesla opened its Supercharger Diner earlier in June, and in its first week of operation, it has done nothing but garner attention from fans, food critics, and general onlookers who are surprised to see the company gaining traction in the culinary space.
🚨 Awesome look at the Tesla Supercharger Diner pic.twitter.com/l5bj1kpGlo
— TESLARATI (@Teslarati) July 16, 2025
However, there is a little-known secret about the Diner that many people have not shared, and it has to do with the staff and customers.
Traditionally, restaurants in the United States do not pay their servers a normal wage. They are paid a lower hourly rate because they make most of their money through tips or gratuity. While it is sort of strange and has recently become a more controversial topic, tipping culture in the U.S. has garnered plenty of attention lately.
Many people outside the U.S. have trouble grasping the idea of tipping servers, as many believe the restaurant should pay them a livable wage and stop relying on customers to keep the employees to a point where they can live reasonably well.
In the U.S., people seem to be on board with one side or the other: tip them because the restaurant doesn’t pay them a wage, or “I’m not tipping them for doing their jobs.”
Whichever side of the argument you’re on, I think it seems reasonable to want servers to make enough money to live comfortably and expect the restaurant to take care of that.
Tesla has done just that for the staff at the Supercharger Diner, as it has been revealed that the company covers tipping. There is no option to tip the servers or wait staff; Tesla will do it for you.
Best part about Tesla Diner. pic.twitter.com/cmzovkJKCu
— Jeremy Judkins (@jeremyjudkins_) July 22, 2025
This is a great gesture by Tesla because more and more people every day seem to be against tipping in an effort to force restaurants to pay employees more money. While it seems like a good strategy at first, it only impacts the servers, while this decision does not impact the restaurant and its owners.
Tesla is taking that risk out of the equation by providing gratuity to employees through its own means.
Elon Musk
xAI, Musk Foundation helps schools near Memphis supercomputer site
Reports of xAI and the Musk Foundation’s work were recently posted by local news media.
Elon Musk’s artificial intelligence startup xAI and the Musk Foundation have been supporting Memphis-Shelby County Schools with HVAC repairs and facility upgrades, while also funding youth programs for students in the area.
Reports of xAI and the Musk Foundation’s work were recently posted by local news media.
xAI’s school visits lead to facility repairs
Representatives from xAI visited John P. Freeman Optional School, Fairley High School, and Westwood High School, all of which are located near its Colossus supercomputer site, to assess HVAC systems, plumbing, gym facilities, and athletic fields. The visits resulted in a list of priority repairs, some of which were completed in April and May.
In addition to the repairs, xAI also shared a number of initiatives that are planned for students in the area, as stated in a Commercial Appeal report.
“xAI is working on providing STEM workshops for local students, donating equipment to technical training programs, and supporting job fairs to boost employment opportunities. These initiatives reflect xAl’s commitment to fostering education and economic growth in Memphis,” xAI noted in a statement.
Musk Foundation donation
Apart from xAI, the Musk Foundation also donated $350,000 to the Boys & Girls Clubs of Greater Memphis, enabling the reopening of two club sites located at Booker T. Washington High School and Westwood High School. Both locations had closed earlier this year due to lapses in funding. As per xAI, the Musk Foundation’s donation allows clubs to reopen for almost 1,000 students.
The donation will fund staffing, supplies, and transportation, among others. “Kids are the future of humanity,” Elon Musk said in a statement, adding that students need “every chance to shoot for the stars.”
“We’re honored to support the Boys & Girls Clubs of Greater Memphis in reopening these sites, giving kids in underserved communities the tools to build brighter futures,” Musk said.
The gift was praised by local officials, including Boys & Girls Clubs board chair Michael Garriga, who stated that the “commitment will ensure the youth of our community have the opportunities they need to develop their skills and talents to become successful students and future citizens.”
Elon Musk
What to expect from Tesla CEO Elon Musk’s new Master Plan
While Musk only shared a few tidbits about his next plan, he did hint at its theme.
Tesla CEO Elon Musk is working on another Master Plan. The executive mentioned this during the company’s second quarter earnings call earlier this week. While Musk only shared a few tidbits about his next plan, he did hint at its theme.
Master Plan Part Four
Elon Musk’s Master Plans have been a huge guiding hand for Tesla over the past couple of decades. His first Master Plan, which was published in 2006, featured a pathway towards the production of the Model 3 and energy storage systems. Master Plan, Part Deux, which was published ten years later in 2016, featured a pathway towards a Robotaxi network.
Master Plan Part 3 was more ambitious, as it presented a case towards a world where there is sustainable energy for the entire planet. Considering the scale and ambitious nature of Master Plan Part 3, it was widely speculated that Elon Musk’s next Master Plan would not be around for some time. During the second quarter earnings call, however, Musk confirmed that he is indeed creating his next big plan.
Master Plan Part 4
Elon Musk mentioned his next Master Plan when a question was asked about the work that goes on inside the Tesla Design Studio during the Q2 2025 earnings call. In response to the inquiry, Tesla Chief Designer Franz von Holzhausen emphasized that while earnings calls are not the venue for disclosing new product-related information, Tesla is working to ensure that the future remains exciting. Musk agreed, stating that there are lots of exciting things happening in the Tesla Design Studio.
“What’s going to happen over the next several years is a fundamental transformation of the company from a pre-autonomy world to a post-autonomy. And I’m working on a new Master Plan to articulate that to the Tesla team. And there will be some teething pains as you transition from a pre- autonomy to post-autonomy world, but I think the future vision for Tesla is incredibly exciting and will profoundly change the world in a good way,” Musk said.
A Post-Autonomy World
Considering Musk’s comments, it would appear that Master Plan Part 4 will be focused on a path towards what the CEO has been describing as “sustainable abundance.” If Master Plan Part 3 was focused on fostering sustainable energy for the entire planet, Master Plan Part 4 will likely present a path towards abundance in a world populated by self-driving vehicles like the Cybercab and humanoid robots like Optimus.
Master Plan Part 4 will likely have been farfetched just a couple years ago. Yet with Tesla now operating its Robotaxi service in Austin and Optimus V3 expected to enter production next year, the idea of a world filled with “sustainable abundance” does seem quite feasible. It will be ambitious like Elon Musk’s other Master Plans, of course, but it will be attainable.
Tesla’s little-known secret about its Diner might be the best feature of all
xAI, Musk Foundation helps schools near Memphis supercomputer site
What to expect from Tesla CEO Elon Musk’s new Master Plan
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