Rivian already has a patent on Tesla’s Cybertruck ‘range extender’
Tesla delivered the first Cybertrucks yesterday, and with that delivery event came the revelation that in order to get the range it promised, the Cybertruck needs a separate battery pack in the bed. But a similar battery pack system was already patented years ago, by one of Tesla’s competitors in the electric pick-up space.
Tesla’s Cybertruck website included a revelation about a feature that wasn’t mentioned in its presentation: a “range extender,” in the form of an additional battery pack in the truck bed which expands the truck’s range.
It’s an interesting solution, and we don’t know all the details of it yet. We don’t know the cost, the weight, how it will be installed and uninstalled, or whether it even can be uninstalled.
The battery pack is intended to be used “for very long trips or towing heavy things up mountains,” according to Tesla CEO Elon Musk. It takes up about a third of the truck bed, as can be seen in a photo posted on Tesla’s Cybertruck site.
So, there’s still room for cargo, just not the full 6 feet of bed length that Tesla says the Cybertruck has.
But the fact that it was described as being used only “for very long trips or towing heavy things up mountains” suggests that it will be removable, since most people don’t do that sort of thing every single day.
Making it removable is actually a good solution, because it can lower prices, make packaging easier, and improve efficiency for vehicles that simply don’t need a ridiculously enormous 470-mile battery – and most drivers don’t need that.
And if it is removable, well, there’s already a patent on that.
In 2019, electric truck maker Rivian filed a patent for a “removable auxiliary battery” that would fit into the front third-or-so of the truck bed. This patent was granted in 2020, so Rivian currently has a patent on this technology.
The patent is described as:
An electric vehicle system for transporting human passengers or cargo includes an electric vehicle that includes a body, a plurality of wheels, a cargo area, an electric motor for propelling the electric vehicle, and a primary battery for providing electrical power to the electric motor for propelling the electric vehicle. An auxiliary battery module is attachable to the electric vehicle for providing electrical power to the electric motor via a first electrical connector at the auxiliary battery module and a second electrical connector at the electric vehicle that mates with the first electrical connector. The auxiliary battery module can be positioned in the cargo area while supplying power to the electric motor, and can be removable and reattachable from the electric vehicle. The auxiliary battery module includes an integrated cooling system for cooling itself during operation of the electric vehicle including a conduit therein for circulating coolant.
We aren’t patent lawyers here, but this sounds awfully similar to Tesla’s “range extender.” The obvious potential differences we can find are if the range extender doesn’t have integrated cooling, which is unlikely, or if the range extender isn’t removable, which doesn’t seem to jive with the statement that it is only for long trips or with the marketing showing it as an optional add-on (if that were the case, why not just offer different battery sizes?).
Tesla itself has many patents (and is still pursuing more of them), but has pledged not to “initiate patent lawsuits against anyone who, in good faith, wants to use its technology.” It announced this in a 2014 blog post, and followed up by saying that it thinks several companies are using its patents.
So next, the question is: is Tesla’s solution different enough to avoid Rivian’s patent protection? Has Tesla licensed the idea from Rivian, and we just haven’t heard about it yet? Or will Rivian return Tesla’s “good faith” and not initiate a patent lawsuit against Tesla, if it does feel like it has a good enough case to say that Tesla’s range extender infringes on its patent?
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Chinese electric scooter manufacturer NIU Technologies (NASDAQ: NIU) is experiencing a remarkable surge in 2025, with its stock price nearly doubling year-to-date. This impressive performance is fueled by a significant increase in electric moped sales, particularly within its domestic market, despite facing challenges such as international tariffs and rising freight costs.
Domestic market is driving growth
In the first quarter of 2025, NIU reported a 57.4% year-over-year increase in e-scooter sales, totaling 203,313 units. Notably, 183,065 of these units were sold in China, marking a 66.2% increase compared to the same period last year.
This domestic growth was boosted by China’s consumer trade-in program, which incentivizes the replacement of older scooters with newer, more efficient models.
The company’s revenue for Q1 2025 reached RMB 682.0 million (approximately US $94 million), a 35.1% increase from the previous year. However, the average revenue per e-scooter decreased by 14.2% to RMB 3,354, indicating a shift towards more affordable models.
NIU CEO Yan Li explained: “In China, we are advancing our intelligent product development strategy by integrating automotive-grade technologies such as millimeter-wave radar, dual-channel ABS, and AI Smart Ecosystem to enhance the user experience. Our retail network has continued to expand in-line with our expectations, with new stores opening during the quarter. This synergistic combination of product innovation and omni-channel growth is driving measurable increases in domestic sales and market penetration.”
International challenges remain
While domestic sales certainly provided strong tailwinds for NIU, international markets still present challenges for the company. Sales outside China grew by a modest 6.4%, totaling 20,248 units. Factors such as US tariffs and increased freight costs were noted in NIU’s Q1 2025 earnings report as impacting international margins. Despite these hurdles, international sales contributed RMB 60 million (approximately US $8 million) to the quarterly revenue, a 22.4% increase year-over-year.
NIU’s gross margin declined to 17.3% from 18.9% in the same quarter last year, reflecting the pressure from international trade policies and logistics costs. Nevertheless, the company’s net loss narrowed to RMB 38.8 million, down from RMB 54.8 million in Q1 2024, indicating improved operational efficiency. While still operating at a net loss of around US 5.4 million, these numbers indicate a strong turnaround for the company – reflected by the nearly doubling of NIU’s stock price so far in 2025.
Looking ahead, NIU is anticipating continued growth and projecting Q2 2025 revenue to increase by 40% to 50% year-over-year. The company says it is also exploring strategies to mitigate international challenges, such as diversifying its production and focusing on markets less affected by tariffs.
As Li continued, “Globally, the market is undergoing structural shifts, with US trade policies experiencing increased volatility. However, we are leveraging innovation and agile infrastructure to mitigate geopolitical challenges, enabling sustainable global growth through proactive production adjustments.”
Electrek’s Take
If you’re a NIU fan like I am, this is great news that helps claw back some of the losses seen in the last couple of years. The entire micromobility sector has navigated choppy waters after the pandemic bubble burst, and NIU was certainly not immune to the drop in sales. But these numbers paint a promising return that industry analysts and scooter riders who depend on the company alike have been hoping for.
I visited NIU’s factory a few months ago and saw firsthand how much care and precision goes into building its millions of electric two-wheelers. That kind of in-depth look is rare in this industry, and it gave me keen insight into what separates NIU’s high-tech and high-design models from much of the industry.
Now it seems that sales are starting to catch back up to where such innovative pieces of tech deserve to be. Here’s to hoping for another good quarter to follow.
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On today’s sunny side up episode of Quick Charge, we take a look at the latest from the world of solar power, and discuss Congressional Republicans’ plans to limit your energy independence by eliminating a critical tax credit for homeowners nearly ten years early. (!)
We’ve also got a quick review of a massive solar farm powering 200,000 homes in Indiana and the biggest solar project East of the Mississippi – both part of a record 98% of all new power generation and grid capacity introduced in 2025 coming from wind and solar. Those are jobs, those are lower utility rates, those are energy independence … so why are Congressional Republicans working to make that more expensive?
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If you want to read that EnergySage report on the state of the home solar industry, including news about battery energy storage system and V2H/V2G prices and financing trends, you can check it out for yourself, below, then let us know what you think in the comments.
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If you’re considering going solar, it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them.
Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.
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A Waymo autonomous vehicle drives along Masonic Avenue on April 11, 2022 in San Francisco, California.
Justin Sullivan | Getty Images News | Getty Images
Alphabet’s Waymo unit has received approval to expand its autonomous ride-hailing service to more parts of the San Francisco Bay Area, including San Jose.
In March, the company submitted a request to the California Public Utilities Commission to gain approval for its latest passenger safety plan, a key step in gaining permission to operate driverless vehicles across a broader area. On Monday, the proposed expansion was approved, allowing for Waymo’s driverless coverage to extend from San Francisco down through the Peninsula.
“We’re very excited to share that the CPUC has approved our application to operate our fully autonomous commercial ride-hailing service in the South Bay and nearly all of San Jose!” the company wrote in a post on X on Monday. “While this won’t change our operations in the near-term, we’re looking forward to bringing the benefits of Waymo One to more of the Bay Area in the future.”
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