Tesla Superchargers in Taiwan with Tesla and CCS connectors
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The CCS (Combined Charging System) has become the standard for electric vehicle charging over the last few
years.
When Tesla first debuted the 2012 Model S, the CCS charging connector didn't exist. In fact Tesla developed
its proprietary Tesla connector because there wasn't anything capable of fast DC charging.
Today, the CCS connector supports charging speeds up to 350kW.
Tesla already offers Superchargers with CCS connectors in several regions, but they will now begin adding CCS
connectors to Superchargers in the United States.
Tesla will add the CCS connector in addition to Tesla's own connector. This will give non-Tesla owners access
the extensive charging network, Elon Musk said.
Non-Tesla electric cars have been allowed to charge at select Tesla Supercharger locations in France, the
Netherlands, and Norway since November.
Allowing Superchargers - which account for more than half of all fast chargers in the United States to charge
all electric vehicles would be easier and less expensive for everyone involved, and it would substantially
improve the landscape of the current fast-charging infrastructure.
CCS is the obvious charging standard to go with, given that Tesla, like many other manufacturers, has already
accepted CCS standards in Europe and its Supercharger stations are already equipped with CCS connectors.
Tesla's cars and Supercharger stations in North America use its own proprietary connector, which has rendered
Non-Tesla owners unable to use Tesla's fast-charging infrastructure.
It also prevents Tesla owners from charging at other DC charging stations, unless they spend a considerable
amount of money purchasing a CHAdeMO or CCS adapter.
Speaking at the Financial Times Future of the Car summit, Musk said they will add the connectors even if it
lessens their competitive advantage over other automakers.
“It's a little trickier in the US because we have a different connector than the rest of the industry, but we
will be adding the rest of the industry connectors as an option to Superchargers in the US. We are trying as
best as possible to do the right thing for the advancement of electrification, even if that diminishes our
competitive advantage,” Musk said.
This is comparable to Tesla's approach in Europe when the Model 3 was originally introduced with the CCS
standard. Both Tesla and CCS connectors were installed at new Supercharger stations, and the carmaker also
began retrofitting some existing stations.
Last year, the Taiwan EV Charger Equipment Supplier and Manufacturer Advancement Alliance declared that CCS
should be the country's charging standard, forcing Tesla to retrofit CCS connectors to all
Superchargers.
Tesla upgraded Superchargers with CCS connectors in addition to their proprietary connectors a few months
after the decision.
Tesla's CEO gave no indication of when the company planned to begin installing CCS connectors at stations in
the United States.
Is Your Vehicle Compatible?
The connector the US is using differs slightly from the CCS connector in Europe. In the US it's known as CCS combo 1, or CCS1 for short. This is the connector that Tesla will support in the US and it is not interchangeable with CCS2 that is used in Europe.
Tesla is already selling an adapter to go from CCS1 to Tesla's plug, but it is currently only available in South Korea. Tesla is likely to make this adapter available for sale in the US in the future.
However, your Tesla will need to specifically support the CCS adapter. If your Tesla was built after May 2019, then it likely supports the CCS adapter. If it was before then, then it will need to be retrofitted if you plan to charge using the CCS 1 adapter.
You can check whether your car supports the CCS adapter by going to Controls > Software and tapping Additional Vehicle Information.
You can also find more information about how to check whether your car is supported, the cost of a retrofit, and the cost of the adapter in our CCS adapter article.
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The Q2 2025 Earnings Call provided us with a lot of information - and much of it related to FSD. There’s a lot of major news to unpack that impacts HW3 owners, AI4 owners, and future purchasers waiting for AI5.
Tesla addressed the previously promised upgrade for HW3 owners, talked about HW4 and also gave us dates of when to expect HW5 (AI5) and beyond.
The HW3 Upgrade
One of the biggest updates from the call was the clarification on the promised hardware upgrade for millions of owners with HW3 (AI3) vehicles. For those hoping for a path to the newer AI4 or future AI5 FSD computer, Tesla has confirmed that this upgrade is on hold until they can solve autonomy.
As we talked about in our HW3 upgrade article, Tesla will not consider offering such a complex and costly upgrade until after FSD Unsupervised is solved and becomes available to customer vehicles. The reasoning is that an upgrade could potentially involve more than just a simple computer swap, potentially requiring changes to other core vehicle components.
The key here is that the power and cooling requirements for HW4 hardware are far greater than those available in HW3 vehicles. If this trend continues with AI5, Tesla will need to build a customized solution for HW3 upgrades that falls somewhere in the middle - capable enough to perform FSD Unsupervised, but still able to fit within the required tolerances.
Camera Upgrades Might Be Needed
In addition, while Tesla has stated that they don’t intend to swap the cameras, this may become a requirement for two reasons. HW3 already has considerable difficulty reading signs, and HW4 is marginally better at doing so. Complex signs, such as “No Right Turn on Red,” could indicate that HW3 vehicles may require a camera upgrade, at least for the primary cameras, if not the side repeaters, bi-pillar, and rear cameras, to comply.
These changes will also require extensive rewiring, as the wiring in HW3 vehicles is not capable of the higher bandwidth required for higher-res cameras. The lack of future-proofing for HW3 vehicles is definitely becoming apparent here.
The second reason is the inclusion of the forward bumper camera on more of Tesla’s fleet. Today, every new vehicle except the Model 3 comes with a bumper camera. While Tesla does not use it for FSD yet, we believe that it will be necessary for low-speed maneuvers in crowded locations and parking lots - the key to making Summon and Banish truly autonomous.
Essentially, for the foreseeable future, HW3 vehicles will continue to be developed on a lagging, separate FSD software branch. Tesla intends to release updates for HW4 vehicles first, then take the time to optimize them, and then release updates for HW3 vehicles once they are ready. Realistically, while HW3 vehicles will still receive FSD updates, it seems that they have reached their physical operational limits and will not achieve the same performance or have all the same features as AI4 or future AI5 vehicles.
HW4’s Unsupervised Capabilities
The earnings call yesterday reinforced the capability of the current-generation HW4 hardware, which is included in all new Tesla vehicles. This is the same hardware that is powering the current Robotaxi FSD fleet that is currently operating and expanding in Austin. This confirms that HW4 is fully capable of supporting a true, driverless experience.
The question going forward will be what the limits of HW4 are, and how soon Tesla is approaching them. Will Tesla provide a smoother path to upgrade HW4 to AI5?
Given the ongoing situation with HW3, we don’t expect that they will. Tesla is contractually bound to provide Unsupervised FSD (autonomy) with the purchase of FSD, but it’s not required to upgrade vehicles so that they can achieve a higher level of safety and comfort. As long as a vehicle is capable of autonomy, then Tesla has met their commitment.
At this point, we don’t expect a clean upgrade path to AI5 - Elon has previously mentioned that it will consume nearly 2-3x the energy of AI4, which means an entirely new electrical and cooling package will be required for AI5, which AI4 vehicles won’t be able to easily support, short of a major retrofit.
However, if you want Unsupervised FSD and are satisfied with not getting a potential upgrade in the future, AI4 is a very compelling choice today. It is already demonstrably capable of Unsupervised FSD, which means you’re getting a vehicle that can and will do autonomy in the future.
If you’re still undecided about a purchase, a 48-month lease could be the most sensible option. Tesla is not intending to introduce AI5 until the end of 2026, and it will likely take months or years for the software divergence between HW4 and AI5 to occur.
AI5 is a Performance Jump; AI6 is a Leap
Tesla also provided the first concrete details on its next-generation FSD hardware, which will be known as AI5. The new computer is projected to be 3 to 5 times more capable than the already powerful HW4 hardware. That’s a massive leap in processing power, which will enable more complex neural networks and faster, more human-like decision-making.
This next-generation hardware isn’t expected to reach mass production until at least the end of 2026 - and the first vehicles receiving it will likely be Tesla’s Cybercab.
Going forward, Tesla intends to use AI6 as a means to closely integrate the training hardware and the vehicle hardware. That means that its Dojo supercomputer chip will live in AI6 vehicles. Two chips in a vehicle or on board an Optimus humanoid robot, while hundreds will live in a training cluster.
Tesla already uses HW4 hardware in Cortex, its Supercompute training cluster at Giga Texas. However, the vast majority of the training hardware is built around Nvidia’s H200 chip, which means Tesla needs to build the training software for the H200, then rebuild the trained models for HW4 hardware.
This change to Dojo training compute and Dojo in-vehicle compute means that Tesla will be able to further optimize the process, simplifying the entire training pipeline.
Closing One Door, Opening Another
The Q2 call was filled with interesting facts that drew solid lines in the sand for what Tesla’s future hardware path will look like. For owners of HW3 vehicles, the path to next-generation hardware is on hold, but at least there’s some clarity.
However, Tesla is offering FSD transfers in many regions worldwide, including North America and Europe, as a way to upgrade customers to newer vehicles equipped with hardware capable of running the latest FSD version.
For current HW4 owners, their vehicles are already equipped with the hardware capable of running in an Unsupervised future, and can look forward to support for at least another few years. In the future, Tesla vehicles will be equipped with even more powerful hardware, including AI5 in late 2026 or early 2027, and AI6 several years later.
If you missed any part of Tesla’s earnings call and its Q&A session, be sure to check out our recap, where we cover everything Tesla talked about, including FSD Unsupervised, the Robotaxi, and much more.
Tesla has released an official LED light strip upgrade for the frunk of the Model 3 and Model Y in the U.S. and Canada. The light strip, priced at $100 USD ($130 CAD), is a great addition to light up one of the most useful storage areas of an EV.
According to Tesla, the new light strip is designed for easy installation by the customer. The light strip connects directly to the vehicle’s power supply using an included adapter, eliminating the need for batteries or wiring harnesses. That makes this a clean OEM setup without the hassle of needing a separate power source.
The light is built to last, and is equipped with a constant current control module and an IP67 dustproof and waterproof rating on both the light itself as well as the adapter, so you don’t need to worry about it getting wet in the rain if you happen to leave your frunk open.
Not a Tesla App
Vehicle Compatibility
The new frunk light strip is available for all Model 3 and Model Y vehicles from model years 2020 to 2024, so it does exclude earlier Model 3s.
For newer vehicles, a revised version of the light strip is being developed, compatible with the updated wiring harness of 2025 and 2026 Model 3 and Model Y vehicles.
The revised version is already available on Tesla’s shop in China, which means its release in North America is likely not too far away.
Sign of More to Come?
This isn’t the first time Tesla has made an OEM version of a popular third-party accessory, such as the custom puddle lights. Another popular third-party accessory is a powered frunk add-on.
Currently, the Cybertruck is the only Tesla vehicle with a powered frunk, and getting an official modification that won’t risk denting your hood would be amazing to see. It would also greatly improve the utility of the frunk, as many people avoid opening it since it has to be manually closed.
This new accessory is a welcome addition to the lineup of accessories for owners looking for a simple and high-quality add-on for their Tesla and and we’re hoping to see more of this in the future.
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