On June 7, 2026, a Xiaomi SU7 Ultra caught fire on the Hero Bridge in Nanchang, Jiangxi Province. Xiaomi's official statement confirmed that backend data analysis showed the power battery remained in normal working condition throughout the incident, with no thermal runaway signals detected, preliminarily ruling out battery self-ignition as the cause. The specific cause awaits further investigation by fire authorities.
Incident Timeline and Official Statement
On June 7, 2026, a Xiaomi SU7 Ultra caught fire on the Hero Bridge in Nanchang, Jiangxi Province. The fire was promptly controlled by fire services with no casualties. Xiaomi Auto immediately contacted the owner and cooperated with subsequent vehicle handling.
Xiaomi's official Weibo statement confirmed that the incident was reported to regulatory authorities. On-site investigation and backend data analysis showed the power battery remained in normal working condition throughout, with no thermal runaway signals detected, preliminarily ruling out battery self-ignition.
Battery Safety Data Analysis
The key information emphasized by Xiaomi is that the power battery remained in normal working condition with no thermal runaway signals. This data comes from the vehicle's real-time backend monitoring system. For EVs, thermal runaway is the core indicator of battery self-ignition.
Key Information:
- Fire date: June 7, 2026
- Location: Hero Bridge, Nanchang, Jiangxi
- Vehicle: Xiaomi SU7 Ultra
- Backend data: Power battery normal throughout
- Preliminary conclusion: Battery self-ignition ruled out
EV Fire Cause Analysis
EV fires are not equivalent to battery self-ignition. Industry data shows causes include external collision, circuit short circuits, and non-battery component fires. Battery self-ignition is only one possibility.
Reference for Overseas Buyers
For overseas buyers interested in Chinese EV brands, this incident provides several reference points. First, mainstream Chinese EV brands are equipped with comprehensive vehicle data monitoring systems that can provide objective post-incident analysis.
Second, the incident demonstrates that EV fire does not equal battery self-ignition. When evaluating EV safety, specific causes need to be distinguished rather than simply attributing to batteries.
EX1000.COM will continue monitoring EV safety incidents, providing overseas buyers with objective, data-based safety analysis.
