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Tesla China promotes battery tech, cites 12% degradation on Model S after 200k miles

Credit: Tesla Asia/X

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Tesla’s efforts to promote its vehicles are quite evident in China, though in true Tesla fashion, the company’s marketing has been quite focused on the science that goes into its premium all-electric cars. These include the battery technology employed in Tesla’s vehicles, which provide them with longevity over hundreds of thousands of miles of driving. 

Citing internal data, Tesla China noted in a post on its official Weibo account that the battery management system (BMS) used in its vehicles ensures that batteries are able to last for a very long time. Tesla notes that its BMS ensures that batteries are not overcharged or overdischarged, and they also ensure that cells are safe from damage at all times.

Tesla China also noted that due to the innovations and protections it has implemented on its vehicles’ batteries, its battery packs are able to last a very long time. A Tesla Model S, for example, has reportedly been found to lose only 12% of its battery capacity after 320,000 kilometers (200,000 miles) of driving. 

“It can maintain 88% of the battery capacity after driving 320,000 kilometers, ensuring battery life with strength and traveling to distant places,” Tesla China noted in its post. 

What is quite interesting with Tesla’s battery technology is the fact that it is steadily getting better. The Tesla Model S still uses 18650 cells that are sourced from Panasonic, and though the cells have been vastly improved over the years, Tesla has since adopted new battery form factors and chemistries for its vehicles over the years. These include the 2170 cells produced in Giga Nevada as well as the 4680 cells being used in the Cybertruck

Tesla may already be the world’s most valuable automaker by market cap, but the company is still fairly young. Thus, Tesla’s fleet of vehicles — especially its two mass market cars, the Model 3 sedan and Model Y crossover — are still quite new. It would then be interesting to see how Tesla’s more contemporary battery systems perform in real-world settings over the coming years. 

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Don’t hesitate to contact us with news tips. Just send a message to simon@teslarati.com to give us a heads up.

Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Starlink achieves major milestones in 2025 progress report

Starlink wrapped up 2025 with impressive growth, adding more than 4.6 million new active customers and expanding service to 35 additional countries, territories, and markets.

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Credit: Starlink/X

Starlink wrapped up 2025 with impressive growth, adding more than 4.6 million new active customers and expanding service to 35 additional countries, territories, and markets. The company also completed deployment of its first-generation Direct to Cell constellation, launching over 650 satellites in just 18 months to enable cellular connectivity.

SpaceX highlighted Starlink’s impressive 2025 progress in an extensive report.

Key achievements from Starlink’s 2025 Progress

Starlink connected over 4.6 million new customers with high-speed internet while bringing service to 35 more regions worldwide in 2025. Starlink is now connecting 9.2 million people worldwide. The service achieved this just weeks after hitting its 8 million customer milestone.

Starlink is now available in 155 markets, including areas that are unreachable by traditional ISPs. As per SpaceX, Starlink has also provided over 21 million airline passengers and 20 million cruise passengers with reliable high-speed internet connectivity during their travels.

Starlink Direct to Cell

Starlink’s Direct to Cell constellation, more than 650 satellites strong, has already connected over 12 million people at least once, marking a breakthrough in global mobile coverage.
Starlink Direct to Cell is currently rolled out to 22 countries and 6 continents, with over 6 million monthly customers. Starlink Direct to Cell also has 27 MNO partners to date.

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This year, SpaceX completed deployment of the first generation of the Starlink Direct to Cell constellation, with more than 650 satellites launched to low-Earth orbit in just 18 months. Starlink Direct to Cell has connected more than 12 million people, and counting, at least once, providing life-saving connectivity when people need it most,” SpaceX wrote.

starlinkProgressReport_2025 by Simon Alvarez

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Giga Nevada celebrates production of 6 millionth drive unit

To celebrate the milestone, the Giga Nevada team gathered for a celebratory group photo. 

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Tesla’s Giga Nevada has reached an impressive milestone, producing its 6 millionth drive unit as 2925 came to a close.

To celebrate the milestone, the Giga Nevada team gathered for a celebratory group photo. 

6 million drive units

The achievement was shared by the official Tesla Manufacturing account on social media platform X. “Congratulations to the Giga Nevada team for producing their 6 millionth Drive Unit!” Tesla wrote. 

The photo showed numerous factory workers assembled on the production floor, proudly holding golden balloons that spelled out “6000000″ in front of drive unit assembly stations. Elon Musk gave credit to the Giga Nevada team, writing, “Congrats on 6M drive units!” in a post on X.

Giga Nevada’s essential role

Giga Nevada produces drive units, battery packs, and energy products. The facility has been a cornerstone of Tesla’s scaling since opening, and it was the crucial facility that ultimately enabled Tesla to ramp the Model 3 and Model Y. Even today, it serves as Tesla’s core hub for battery and drivetrain components for vehicles that are produced in the United States.

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Giga Nevada is expected to support Tesla’s ambitious 2026 targets, including the launch of vehicles like the Tesla Semi and the Cybercab. Tesla will have a very busy 2026, and based on Giga Nevada’s activities so far, it appears that the facility will be equally busy as well.

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Tesla Supercharger network delivers record 6.7 TWh in 2025

The network now exceeds 75,000 stalls globally, and it supports even non-Tesla vehicles across several key markets.

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tesla-diner-supercharger
Credit: Tesla

Tesla’s Supercharger Network had its biggest year ever in 2025, delivering a record 6.7 TWh of electricity to vehicles worldwide. 

To celebrate its busy year, the official @TeslaCharging account shared an infographic showing the Supercharger Network’s growth from near-zero in 2012 to this year’s impressive milestone.

Record 6.7 TWh delivered in 2025

The bar chart shows steady Supercharger energy delivery increases since 2012. Based on the graphic, the Supercharger Network started small in the mid-2010s and accelerated sharply after 2019, when the Model 3 was going mainstream. 

Each year from 2020 onward showed significantly more energy delivery, with 2025’s four quarters combining for the highest total yet at 6.7 TWh.

This energy powered millions of charging sessions across Tesla’s growing fleet of vehicles worldwide. The network now exceeds 75,000 stalls globally, and it supports even non-Tesla vehicles across several key markets. This makes the Supercharger Network loved not just by Tesla owners but EV drivers as a whole.

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Resilience after Supercharger team changes

2025’s record energy delivery comes despite earlier 2024 layoffs on the Supercharger team, which sparked concerns about the system’s expansion pace. Max de Zegher, Tesla Director of Charging North America, also highlighted that “Outside China, Superchargers delivered more energy than all other fast chargers combined.”

Longtime Tesla owner and FSD tester Whole Mars Catalog noted the achievement as proof of continued momentum post-layoffs. At the time of the Supercharger team’s layoffs in 2024, numerous critics were claiming that Elon Musk was halting the network’s expansion altogether, and that the team only remained because the adults in the room convinced the juvenile CEO to relent.

Such a scenario, at least based on the graphic posted by the Tesla Charging team on X, seems highly implausible. 

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