Xiaomi EV battery holds 94.5% capacity even after 165,000 miles

Source: interestingengineering
Author: @IntEngineering
Published: 2/6/2026
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Read original articleA Xiaomi SU7 Pro electric vehicle (EV) has impressively retained 94.5% of its battery capacity after driving 165,000 miles (265,000 km) over 18 months, averaging about 373 miles daily. This level of battery health significantly exceeds typical expectations, as most EV manufacturers, including Tesla, predict around 20-30% battery degradation after similar mileage and timeframes. Tesla estimates its Model 3 or Y batteries retain about 70% capacity after 100,000 miles, making the Xiaomi SU7 Pro’s performance notably superior.
The SU7 Pro’s 94.3 kWh battery pack has likely undergone over 500 full charge-discharge cycles, yet it remains in excellent condition, highlighting Xiaomi’s capability in producing durable EV batteries. This milestone has garnered attention on Chinese social media and from Xiaomi’s CEO Lei Jun. The owner, Mr. Feng, has saved approximately $14,300 in fuel costs and aims to reach 370,000 miles
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energyelectric-vehiclesbattery-technologyXiaomi-SU7battery-capacityEV-battery-degradationsustainable-transportation