Tesla Model S
Charging the Tesla Model S with the HPWC
When I was buying my Model S I decided that I didn’t need the High Power Wall Charger (HPWC), but I did go with the dual chargers. At home I regularly charge on a NEMA 14-50 which gives me about 28 miles per 1 hour of charge, but with the onboard dual chargers it’s possible to double that rate provided you’re using the proper charger.
My office is across the street from the Tesla store in Natick, MA and they have free charging available in 6 parking spots with a couple of HPWCs a short walk away. The other day I skipped my nightly charge and parked in one of the HPWC spots at the mall for a charge the next morning.
Tesla HPWC
The HPWC does not require any special adapters or additional cables and simply plugs into the Model S. It charges at up to 80A when equipped with the Model S dual chargers, but even without it things still work – just at half the charge rate. That’s what I love about the Tesla. Even if you know nothing about voltages, amperages and watts, things just work. Just plug, play and Tesla manages the rest.
Charging
Unlike the Tesla Supercharger which uses a direct current (DC) that bypasses the onboard chargers, the HPWC uses a more traditional alternating current (AC) approach, but with a very high amp draw.
There are very few public chargers out there that can charge at over 40A, and the ones that do probably don’t have a Tesla Model S adapter such as the CHAdeMO.
Editor’s note: Tesla Motors loaned PlugShare a custom CHAdeMO to Model S adapter for their epic 12,000+ mile journey.
The Model S has the ability to charge at different amperages depending on your setting. The rate is limited by both your car’s ability (40A or 80A for single or dual chargers respectively) and the maximum draw allowed by your power source. Make sure your charge rate is set to the highest limit before plugging into a HPWC in order to maximize your rate of charge. The charge rate settings should be auto-memorized by the vehicle based on your GPS location.
Charge Rate
After I confirmed that the car was charging, I walked to my office while monitoring my state of charge through the iOS app. It reported the charge rate to be about 50 miles/hour (208v at 81A) which confirmed that my dual chargers were working since I was charging twice as fast as my home NEMA 14-50.
To validate the rate of charge I timed the charge and recorded the reported rated range. I started charging at 8:30am and stopped at 11:07 AM (a 90% charge limit was set). I went from 106 miles of rated range to 240 miles of rated range. So I added 134 miles in 2.6 hours for an actual charge rate of 51.2 miles/hour.
I’ve heard about charge rates tapering off as your near the upper limits of your charge, but in my case it charged at the same rate all the way to a 90% limit. I’m assuming that the charge rate begins to slow down after the 90% mark, but unfortunately I didn’t have a chance to confirm that this time around.
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Summary
My main goal was to be able to test my onboard dual chargers – something I debated long and hard on when ordering my Model S. I wanted to see them in action and gain peace of mind that they’re there and ready for fast charging if I should one day need it while on the road without access to a Tesla Supercharger.
The HPWC worked great and provided a high rate of charge that was twice the speed of my home NEMA 14-50. But even with that I still don’t think a HPWC at home is really needed.
Also see: Every New Tesla Owner’s Dilemma: Dual Chargers vs High Power Wall Connector (HPWC)
Firmware
Tesla unlocks in-car web conferencing to extend Google Meet, Teams and beyond
Tesla’s Summer Update lets owners join Google Meet, Teams, and Discord calls via cabin camera.
Tesla’s 2026 Summer Update, which just began rolling out to customer vehicles, now links the built-in web browser with the in-cabin camera feed and microphone input, thereby letting owners join video calls on nearly any browser-based service instead of just Zoom.
The change appears in Tesla’s own release notes for software version 2026.26 under “Web Browser,” which states that the vehicle can now use its interior camera and cabin microphone when a website requests access, with permission granted the same way a desktop browser handles it. As NotATeslaApp notes, this feature opens the door to Google Meet, Microsoft Teams, Discord, and other webcam-enabled sites to activate the in-car cabin-facing camera. The feed automatically crops and zooms to center the driver in frame.
Tesla has offered in-car video calling before, but only through a dedicated Zoom app that launched at the end of 2022, a stripped-down browser preloaded with Zoom’s own web client and gated behind Premium Connectivity. Opening the full browser to any camera-requesting site removes that walled garden. Elon Musk first called video conferencing “definitely a future feature” back in 2020, when the pandemic pushed remote meetings into daily life, so this update effectively finishes something Tesla has been promising for six years.
Tesla Summer Update begins rolling out: a look at the new features
The feature keeps the same restrictions that applied to Zoom on Tesla vehicles. It only works while the car is parked; shifting into Drive disables the camera feed, according to the release notes. It is also limited to vehicles running Tesla’s AMD Ryzen infotainment hardware, meaning older Intel-based Model S and Model X units, along with early Model 3 and Model Y builds, don’t get it.
Turning the browser into a general entry point for the in-cabin camera, rather than routing everything through one local app, widens the number of third-party sites that can ask for access, even though Tesla’s permission prompt.
With the Summer update only days into its rollout, be sure to stay with us on TikTok and X to see the latest video demonstrations.
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In a move echoing its earlier commitment to open innovation, Tesla CEO Elon Musk announced recently that the company plans to make the design and software of its Model S and Model X fully open source.
This follows the same approach Tesla took with its original Roadster, releasing all available design, engineering, and diagnostic materials in November 2023 so that “whatever we have, you now have.”
Just as Tesla made the original Roadster design & software open source, we plan to do the same with Model S & X
— Elon Musk (@elonmusk) July 24, 2026
The Model S, introduced in 2012, was Tesla’s first mass-produced vehicle and a groundbreaking luxury electric sedan. It offered impressive range, rapid acceleration, and over-the-air software updates that redefined expectations for electric cars.
The Model X, launched in 2015, built on that foundation as a high-performance electric SUV notable for its distinctive falcon-wing doors, spacious interior, and advanced safety features. Both models served as flagships that helped establish Tesla as a leader in the EV industry and popularized long-range battery-electric vehicles.
Production of the Model S and Model X was wound down earlier in 2026, with manufacturing ending in the second quarter. Tesla redirected the Fremont factory space previously used for these vehicles toward higher-priority projects, including Optimus humanoid robots and the Cybercab autonomous vehicle.
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By the time of Musk’s open-source announcement, custom orders had closed and only remaining inventory was available.
Open-sourcing the designs and software offers several clear advantages. Owners of these aging but still capable vehicles gain better access to technical documentation, diagnostic tools, and software resources, making independent repairs and modifications easier and more affordable.
Independent repair shops and third-party specialists can support the large existing fleet without relying solely on Tesla’s service network. Enthusiasts and engineers can study real-world implementations of Tesla’s battery, powertrain, and software systems, potentially accelerating broader industry progress in electric mobility.
The step aligns with Tesla’s 2014 patent pledge and its overall mission to advance sustainable transport by sharing hard-won knowledge rather than locking it behind proprietary walls.
By releasing these materials now that the models have left production, Tesla ensures continued support for its early adopters while freeing internal resources for future technologies. The open-source release of the original Roadster already enabled simulations, community projects, and deeper technical understanding.
Extending that practice to the Model S and Model X should deliver similar benefits on a larger scale, helping keep these influential vehicles relevant and repairable for years to come
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Cybertruck
Tesla Mobile App gets a new feature that wrap fans are going to love
Tesla’s Summer Update removes the USB drive step from customizing your car’s digital wrap design.
Tesla’s latest 2026 Summer Update quietly closes out one of the more tedious steps in personalizing a Tesla’s digital appearance. Uploading a custom wrap design used to require a USB drive. Now it doesn’t.
The feature is listed in Tesla’s release notes as “Send Custom Wraps from Mobile App.” The company described it plainly: “Skip the USB drive and upload a custom wrap of your car from the mobile app. Instructions for creating a custom wrap here: github.com/teslamotors/custom-wraps.”
The digital wrap tool has been around since Tesla’s 2024 Holiday Update, when it launched for Cybertruck owners first, as Teslarati reported at the time. Getting a design onto the car meant formatting a USB drive, creating a folder named exactly “Wraps,” dropping in PNG files sized between 512×512 and 1024×1024 pixels and under 1 MB each, then plugging the drive in and applying the wrap through Toybox. Tesla expanded the tool to other models and renamed it from “Colorizer” to “Paint Shop” with the 2025 Holiday Update, while also adding license plate and window tint customization alongside the wraps.
Custom wraps via mobile app https://t.co/5OydZ26g9p pic.twitter.com/uexU0ZePxu
— Tesla (@Tesla) July 22, 2026
The latest Summer Update removes the USB step from that process. Owners will be able to pull a design from wherever they saved it, whether that’s a download from social media or something built from Tesla’s own GitHub templates, and push it to the car directly through the app.
Tesla reveals 2026 Summer Update with crazy fixes to Nav and more
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It’s a small fix relative to the rest of this latest release, which also included expanded Grok voice commands, automatic navigation that learns regular routes, and self-driving stats inside the mobile app, all detailed in our rundown of the full Summer Update. The USB requirement was one of the more common complaints about Paint Shop since it launched. Tesla did not say when the wrap upload change would reach individual vehicles, only that the broader update is rolling out now in waves.
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