The high-capacity battery pack equipped in the Li Auto L9 plug-in hybrid electric SUV provides exceptional longevity, designed to endure thousands of complete charge cycles while maintaining strong operational efficiency. The standard 52.3-kWh battery delivers a pure electric driving range of approximately 280 kilometers under CLTC testing guidelines, comfortably handling daily urban commuting needs before the range-extending internal combustion engine engages. With proper thermal management systems and routine vehicle maintenance, the battery pack is engineered to last for the active operational lifespan of the vehicle.