Tesla was pretty light on the specifications and details behind the vehicles, but there was some information that made its way out to the open in the following days. We’ve gathered up all that juicy information, so leave your Supercharger cable behind, and let’s take a look at some Cybercab battery and range details.
In addition to Tesla Vision, Optimus leverages many of our vehicles' hardware components, like batteries, cameras & computers
Tesla released this excellent animation on X recently, which looked at the similarities between Optimus - Tesla’s humanoid robot - and the Cybercab. The key note is that the Cybercab and Optimus share the same batteries, same computer, and same cameras, all based on AI5. So, assuming the video is accurate, we can roughly determine how many batteries are inside the Robotaxi, and then extrapolate the range as well. We’ve also got a second method to take estimate the vehicle’s battery size, based on the video where Tesla showed off the Cybercab’s wireless charging capabilities.
Method 1: Counting Batteries
Based on the animation, the grid of cells is 27 wide by 30 tall. If the video accurately depicts the Cybercab’s battery pack, that gives us 810 cells. We already know the 4680 battery pack in the Cybertruck has 1,344 cells, with a capacity of 123 kWh.That’s about 0.09kWh per cell, which works out to 74.685kWh in the Cybercab.
However, we feel that this number is far too large, especially given that Tesla is already intending to use the new NC05 battery format in the Cybercab. We expect the Cybercab to launch with a battery smaller than the Model 3 Standard Range (54 kWh). Therefore, we can try a different method to determine the pack size.
Method 2: Charging Math
Rafael Levy on X helped out with this calculation - it's possible to extrapolate the battery size in the Cybercab by looking at the charge rate, time remaining, and battery max charge level in Tesla’s wireless charging video. In the video, the car starts charging at 35% and is being charged at about 25 kW. The video shows the charger starting at 19 kW and going up to 25 kW of power. The video also shows that the vehicle is charged for 56 minutes. Near the end of the video the vehicle finishes charging at 80% - likely suggesting a non-LFP battery.
When you calculate it out - 25 kW for 56 minutes, you get 23.3 kWh, which is 45% of the battery pack (35% to 80%). Calculating for the full pack, it sounds like the Cybercab’s battery pack is approximately 51kWh, a much more reasonable number.
We expect the Cybercab to launch with the new NC05 cells that Tesla has been working on, which will likely be a smaller, more efficient cell than the Cybercells in today’s Cybertruck. Those smaller cells will also have less energy per cell while also taking up less space and being easier to warm or cool due to overall thermal mass.
The Cybercab doesn’t need to solve every travel case, just the most popular, which would be shorter distances. Tesla’s goal with the Cybercab is efficient and cost-effective, and a smaller battery pack definitely fits into that motive. We expect the Cybercab to include between a 40 kWh and 50 kWh battery pack.
Being autonomous, the Cybercab will have more opportunities to charge and clean itself without inconveniencing the consumer since it could go to a nearby hub after dropping off a customer.
Cybercab / Robotaxi Range
Yesterday, Tesla shared its Q3 earnings call deck, which revealed some new information about the Cybercab. In it, Tesla stated that the Cybercab will include a new powertrain and will achieve an estimated 5.5 miles per kWh. For reference, the Model 3 Long Range gets about 3.9 miles per kWh, so this is a massive improvement. Some of the improvements likely lie in the Cybercab's lighter weight and improved aerodynamics, but the new powertrain likely also brings some increased efficiency.
If the Cybercab achieves 5.5 miles per kWh, we can speculate that, depending on the battery pack size, it’ll have a range between 220 and 270 miles.
Top Gear also attended the Robotaxi event and was told by an employee that Tesla is aiming for a vehicle with 200 miles of range, which matches the lower end of our calculations above. Top Gear also stated at the time that the Cybercab would achieve 5.5 miles per kWh, which Tesla revealed yesterday.
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Back in 2023, Tesla put together a rather unique Supercharger site idea - one with a CyberCanopy. This canopy is intended to provide solar power for Supercharging, helping to reduce the impact on the local grid while also providing a futuristic and Cybertruck-themed location that would set it apart.
Unfortunately, the plans never moved beyond the filing stage. Instead, Tesla opened a standard-looking Supercharger at the same Canton, Massachusetts location. However, the site is still well-situated just off the highway and benefits from natural tree cover in the parking area.
However, Tesla is at it again with a concept for another CyberCanopy with RGB lighting. Thanks to MarkoRP for spotting this. No April Fool’s this time.
We want to build a few Superchargers cool enough to be worthy of the trip itself. - Max de Zegher
CyberCanopy 2
This second Supercharger with CyberCanopy is set for Roswell, New Mexico, at the Whataburger in town. Featuring just eight stalls, this will be one of Tesla’s smaller Supercharger sites, but for what it lacks in size, it makes up for it in uniqueness. The charging stalls are covered from the rain by a futuristic, Cybertruck-themed canopy, which will have solar panels installed on the top of it.
According to the plans, the CyberCanopy boasts 20.88kW of solar panels on its roof, providing shelter from the elements while also providing some power back to the grid.
RGB Lighting
At nighttime, the Supercharger will make a big statement. Tesla intends to light the long edges of the canopy, which will not only look amazing, but it’ll actually make finding the Supercharger easier in a large parking lot.
The lighting coming off the edge of the canopy reminds us a lot of the lightbar on the Cybertruck and now the new Model Y. It’s definitely the direction Tesla is moving for all their models, so expect all future models to have it, including the new Roadster and the next-gen model.
Tesla’s Max de Zegher also took to X after the plans for the new Supercharger were found and shared the image above. He stated that Tesla wants to build a few cool Superchargers that will be worth stopping at, even if they’re out of the way a little bit. So it seems like this isn’t just a concept, but an idea that Tesla wants to expand to several areas around the country or world.
We want to build a few Superchargers cool enough to be worthy of the trip itself. Wish we could have kept it under wraps for longer, but submittal was needed for Planning Approval. We can't hide anything from @MarcoRPi1! 🙂 pic.twitter.com/X2WaKDd408
This particular site doesn't have a Megapack or other form of energy storage, unlike the upcoming Harris Ranch Supercharger site in California. That means that Tesla won’t be storing the solar energy gained from this site, but instead will be either offsetting the immediate grid impact or serving energy back to the grid when the site isn’t actively charging.
Tesla will likely be incorporating V4 Superchargers, including both V4 posts and the new, more powerful V4 Cabinets, as the permit states that Tesla will be redesigning the site internally before beginning construction. For Cybertruck owners, 500kW charging may be around the corner.
We’re hoping Tesla continues to deploy these kinds of Supercharger sites around the world - they make a stylistic statement about Tesla’s futurism, like the Shell gas station that was upcycled into a Supercharger site earlier this year in Spain.
They also make a big impact for ownership because it is a far more comfortable charging experience when you stop at a site that’s shaded from the elements - and one that’s better for the environment with offset emissions.
It was a rainy April 1st when a news-searching author went on a delve into the depths of April Fools to find fact from falsehood. And while we found a lot of fantastic jokes, we also found some good ideas.
So, with a shoutout to MarcoRP on X, whose April Fool’s Joke gave us a good run for our money for a couple of minutes, we thought to ourselves - what would a Cybercab Charging Station / Cleaning Hub really look like?
Cybercab Wireless Charging Sites
Now, before continuing, we’d like to point out that the image up top is a joke from Marco - it isn’t an accurate or real site map submission from Tesla. However, it gave us the impetus to think critically about what is required for a Robotaxi fleet, based primarily on the Cybercab, to be able to service a city.
Requirements
Tesla will likely need to charge a small fleet of Cybercabs at a single time and in a single place. That means that the site needs to be large enough to cover a major metro area while also still being compact enough to not cost too much money to build out.
In addition, we need to factor in charge times. The Cybercab is likely to launch with a battery around 50 kWh, which will result in a range of approximately 300 miles. With that much range, the average Cybercab may not need to charge more than once or at all during daytime shifts, so instead, most of the vehicles will charge overnight.
MarcoRP
Math and Charge Times
The overnight charging means that most of these vehicles could be charged slowly. When we did some back-of-the-napkin math last year, we determined that Tesla’s wireless charger will likely peak around 17 kW (for comparison, Tesla’s Wall Connector at 32 amps charges at about 7 kW). If we scale Tesla’s wireless charger down slightly to 10 kW, accounting for some energy loss and the potential size of the site, that means a Cybercab will be able to charge in about 5 hours.
Tesla’s upcoming V4 Supercharger unit can currently handle 1.5MW per cabinet, but this slower-speed charging is A/C, not DC, which means there is a step-down loss of about 3-5%. Let’s make that a comfortable 10% for any other overages, but we can estimate around 1.35MW of power. That 1.3MW will easily handle charging up to 100 Cybercabs at once - all wirelessly, using Tesla’s unique beam-forming and beam-steering technology to keep efficiency high at every single stall.
Within about 5 hours, a whole fleet of 100 Cybercabs could be charged overnight when electricity rates are cheaper and still be out in time for the morning commute.
While this is all just hypothetical, it really does make sense that Tesla will be establishing these sites that won’t require much space or a ton of energy.
Tesla recently curtained off a large section of the parking garage at Giga Texas, as well as some of their chargers on the eastern end of the facility, leading us to believe they may just be testing this at scale internally.
There’s a lot to look forward to with Tesla’s V4 Supercharger deployment coming this year and with Robotaxi launching in just a couple of months.
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