Xiaomi EV Q&A
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Episode 131

2025-03-21

4 Q&As in their original order.

#01 Long-term

What material is the 'bulletproof coating' used on the bottom of the Xiaomi SU7 Ultra battery pack?

This technology is widely used in military equipment and aerospace components, such as mine-resistant plates on armored vehicles, armor on military vehicles, and bulletproof helmets, offering anti-explosion and bulletproof effects. We innovatively applied the 'bulletproof coating' to the bottom of the Xiaomi SU7 Ultra battery pack. Compared to traditional battery pack bottom protection materials, this material has a tear resistance increased by 10 times, puncture resistance increased by 13 times…
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#02 Long-term

I saw the extreme scenario battery tests conducted by CATARC for the Xiaomi SU7 Ultra. Why were these scenarios chosen for testing?

All test items and scenarios shown in the video were jointly customized by CATARC and Xiaomi Auto for the track-level battery pack of the Xiaomi SU7 Ultra. As a new luxury car that is 'suitable for both street and track', the Xiaomi SU7 Ultra needs to fully balance daily commuting and extreme track driving requirements. All these test items are derived from users' real driving scenarios. Among them, the 'simulated collision' simulates the huge energy impact the battery needs to withstand when th…
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#04 Long-term

Recently, I noticed that the tire pressure keeps increasing. What's going on? Is there anything I should pay attention to?

As temperatures rise, your tire pressure may increase. We recommend that the cold tire pressure for all four wheels of the Xiaomi SU7 and Xiaomi SU7 Ultra be 2.9 bar. We suggest that during seasonal transitions, you always monitor the vehicle status and keep it at 2.9 bar to ensure the best balance between grip, range, and comfort. In addition, March-April every year is the peak season for spring pollen allergies. The Xiaomi SU7 and Xiaomi SU7 Ultra are equipped with CN95-grade filters, AQS air …
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