Li Auto Lianshan Technology Enables 5C Charging in 10 Minutes

Li Auto Unveils Lianshan Electric Technology System

On October 20, Li Auto Inc. announced the launch of its internally developed Lianshan electric technology system at its Power Day electric technology event. The integrated system covers batteries, electric drive systems, supercharging equipment, and the company's self-built supercharging network. By developing these technologies across multiple components, Li Auto aims to improve charging speed, driving range, battery durability, and electric powertrain performance. The announcement highlights the company's efforts to integrate vehicle hardware, battery management, charging infrastructure, and manufacturing quality controls into a coordinated electric vehicle technology platform. Its capabilities include 5C supercharging, an 800 V high-voltage architecture, battery-life improvements, enhanced winter driving performance, and a growing network designed to support long-distance travel across China.

Lianshan Battery Delivers 5C Supercharging Performance

The Lianshan battery combines Li Auto's self-developed 5C supercharging technology with an 800 V high-voltage battery-electric platform. The system incorporates proprietary power chips, power modules, electronic control systems, and electric motors to support high-power charging. When used with the company's self-built 5C supercharging network, compatible vehicles can gain up to 500 km of driving range in 10 minutes of charging, according to the announcement. This capability connects the battery's charging performance with the availability of compatible charging infrastructure. The combination is intended to reduce charging time while supporting practical electric driving, although actual charging performance and added range depend on vehicle configuration, operating conditions, and charging circumstances.

Battery Chemistry and Design Extend Service Life

Li Auto has incorporated several battery design features intended to improve durability. The Lianshan battery uses a highly stable cathode, a low-lithium-consumption anode, and dual-formulation electrolyte technology designed to extend battery life and support continuous dynamic repair. Vehicles equipped with the battery have a stated design life of eight years or 160,000 km, with battery state of health remaining above 75%. Li Auto also reports that cell life has increased by 30% compared with its previous-generation 2C battery. These figures describe the company's stated design targets and comparative results; they should not be interpreted as a guarantee that every battery will deliver identical performance under all driving, charging, and environmental conditions.

Li Auto L8 and i6 Expand Electric Driving Range

The next-generation Li Auto L8, equipped with a self-developed 5C ternary lithium-ion battery, offers a CLTC electric-mode driving range of up to 430 km. The company also announced that the 2026 Li Auto i6 was scheduled to launch on October 28, 2026, with a maximum CLTC range of 780 km. That figure represents an 8% increase over the 2025 model. These specifications demonstrate how Li Auto is applying its battery and electric powertrain development to different vehicle offerings. The stated ranges use China's China Light-Duty Vehicle Test Cycle, or CLTC, and therefore should not be treated as direct equivalents of real-world driving range or results measured under other testing standards.

Battery Algorithms Improve Winter Driving Range

Li Auto has developed proprietary algorithms to address state-of-charge estimation and low-temperature performance challenges associated with lithium iron phosphate batteries. The algorithms are designed to improve the accuracy of battery charge estimates and enhance performance in cold conditions. The company has also optimized battery waste heat recovery and air conditioning systems, combining these changes to increase equivalent winter driving range by 30 km. Li Auto plans another improvement through an over-the-air software update in the first half of 2027, targeting an additional approximately 10 km of driving range at minus 20°C. The planned improvement remains a future target rather than a confirmed result already delivered to customers.

Six Lines of Defense Strengthen Battery Safety

Li Auto says its Lianshan battery safety framework includes six lines of defense addressing physical impacts, water ingress, liquid leakage, and thermal propagation. The framework also incorporates the Lianshan intelligent manufacturing quality control system and the Lianshan early warning system. Together, these measures are intended to address battery safety across protection, production quality, and early detection. The announcement presents these safeguards as part of the wider technology system rather than as an isolated battery feature. The effectiveness of any safety architecture depends on implementation, operating conditions, maintenance, and the circumstances of an incident, so the described safeguards should not be interpreted as eliminating every possible battery-related risk.

Lianshan Battery Lifetime Protection Plan Defines Compensation

Li Auto has introduced the Lianshan Power Battery Lifetime Protection Plan, which specifies different responses to certain battery-fire incidents. If a self-developed battery catches fire because of an inherent quality defect and the vehicle qualifies as a total loss, the company will provide a new vehicle with equivalent specifications. If a battery fire results from a collision or underbody scraping and the vehicle meets the applicable scrapping criteria, Li Auto will cover the difference between the insured amount under the vehicle damage insurance policy and the actual insurance payout. The stated provisions distinguish between incidents attributed to inherent battery quality defects and damage associated with external events. The described benefits are subject to the plan's eligibility conditions.

Electric Drive Improvements Increase Range and Packaging Efficiency

The Lianshan electric drive system uses Li Auto's proprietary CAR119 cast-aluminum rotor material. According to the company, this material increases electric-mode driving range by more than 15 km in urban conditions and more than 8 km on highways. Li Auto has also redesigned conventional power modules so electrical current can flow directly to the chips. The company attributes an additional 30 km of driving range to this power-module redesign and reports that the architecture frees up 24 mm of headroom. These developments target both energy efficiency and component packaging, demonstrating how changes to electric drive materials and power electronics can contribute to vehicle-level performance without relying exclusively on increased battery capacity.

Li Auto Expands Its Supercharging Infrastructure Across China

Li Auto reports that it has built more than 4,200 supercharging stations and 23,000 superchargers. The network covers 25 major national expressway routes and 138 long-distance scenic charging routes in China. The company plans to establish an average of one supercharging station every 100 km along major national expressway routes by the end of 2026. It also intends to increase the number of 5C supercharging connectors to 8,300 before the 2027 Spring Festival. These expansion targets are intended to strengthen the infrastructure supporting the Lianshan system and improve access to high-power charging for compatible vehicles. The announced station and connector figures represent distinct infrastructure measures and should not be treated as interchangeable counts.

Integrated Technology Connects Batteries, Vehicles, and Charging

The Lianshan system brings together battery development, electric drive components, vehicle energy management, safety measures, and charging infrastructure. Its announced capabilities include 500 km of added driving range in 10 minutes under the company's stated 5C charging conditions, longer battery cell life relative to the previous-generation 2C battery, and improved winter range through hardware and software changes. The L8 and i6 specifications illustrate how Li Auto intends to apply its technologies across its vehicle lineup, while its charging network expansion addresses the infrastructure needed to support rapid charging. The planned 2027 software update and connector expansion remain future milestones, making subsequent implementation and real-world performance important measures of progress.

Industry Impact & Outlook

Li Auto's Lianshan launch highlights the competitive importance of combining high-voltage battery systems, faster charging, efficient electric drive components, battery durability, and charging-network availability. For China's electric vehicle market, the approach places emphasis on the complete ownership experience rather than vehicle specifications alone, since charging speed depends on compatible infrastructure and practical range is affected by operating conditions. The company's planned expressway coverage and additional 5C connectors could improve long-distance charging access if the targets are achieved, while its battery protection plan may influence consumer assessments of ownership risk. The planned cold-weather software update also illustrates how over-the-air improvements can extend vehicle capabilities after launch. Actual market impact will depend on delivery against announced targets, customer experience, and independently observable performance.

Frequently Asked Questions

What is Li Auto Lianshan Technology?
Li Auto Lianshan Technology is an internally developed electric technology system integrating batteries, electric drive components, supercharging equipment, and charging infrastructure. Unveiled on October 20 at the company's Power Day event, it combines 5C supercharging technology, an 800 V high-voltage platform, proprietary power electronics, and battery management improvements. The system also incorporates battery safety measures, manufacturing quality controls, and an early warning system. Its purpose is to improve charging speed, driving range, battery durability, and electric powertrain efficiency through coordinated development across vehicle components and the charging network.

How much driving range can the Lianshan battery add in 10 minutes?
Li Auto states that compatible vehicles can gain up to 500 km of driving range in 10 minutes when using its self-developed 5C supercharging technology and compatible supercharging network. The system combines an 800 V high-voltage battery-electric platform with proprietary power chips, power modules, electronic controls, and electric motors. The stated charging performance describes the company's announced capability rather than a universal result for every charging session. Actual charging speed and added range can vary with vehicle configuration, battery conditions, charging conditions, and other operating factors.

What is the expected service life of the Lianshan battery?
Li Auto states that vehicles equipped with the Lianshan battery have a battery design life of eight years or 160,000 km, with battery state of health remaining above 75%. The battery uses a stable cathode, a low-lithium-consumption anode, and dual-formulation electrolyte technology designed to extend service life and support continuous dynamic repair. The company also reports a 30% increase in cell life compared with its previous-generation 2C battery. These figures describe the announced design specifications and comparative results, not a guarantee of identical degradation performance for every owner.

What are the announced driving ranges of the Li Auto L8 and i6?
The next-generation Li Auto L8, equipped with a self-developed 5C ternary lithium-ion battery, is specified to deliver up to 430 km of CLTC electric-mode driving range. The 2026 Li Auto i6 is announced with a maximum CLTC range of 780 km, representing an 8% increase over the 2025 model. The i6 was scheduled for launch on October 28, 2026. Both figures use China's CLTC testing standard, so they should not be interpreted as guaranteed real-world driving distances or directly compared with ratings produced under different testing procedures.

How does Li Auto plan to improve battery performance in winter?
Li Auto has developed proprietary algorithms to improve state-of-charge estimation and low-temperature performance in lithium iron phosphate batteries. It has also optimized battery waste heat recovery and air conditioning systems, which the company says have increased equivalent winter driving range by 30 km. A further over-the-air software update is planned for the first half of 2027, targeting an additional approximately 10 km of driving range at minus 20°C. That additional improvement remains a future target, and the announcement does not establish that the planned update has already been released or that every vehicle will achieve the same result.

What protection does the Lianshan Power Battery Lifetime Protection Plan provide?
Li Auto's Lianshan Power Battery Lifetime Protection Plan specifies compensation for certain battery-fire incidents under defined conditions. If a self-developed battery catches fire because of an inherent quality defect and the vehicle qualifies as a total loss, the company will provide a new vehicle with equivalent specifications. If a battery fire follows a collision or underbody scraping and the vehicle meets the criteria for scrapping, Li Auto will cover the difference between the insured amount under the vehicle damage policy and the actual insurance payout. These benefits depend on the incident circumstances and the plan's eligibility requirements.

How large is Li Auto's supercharging network?
Li Auto reports more than 4,200 supercharging stations and 23,000 superchargers across its network in China. Its coverage includes 25 major national expressway routes and 138 long-distance scenic charging routes. The company plans to establish an average of one supercharging station every 100 km along major national expressway routes by the end of 2026. It also aims to increase the number of 5C supercharging connectors to 8,300 before the 2027 Spring Festival. These are separate infrastructure measures, and the expansion targets should not be confused with already completed installations.

What improvements does the Lianshan electric drive system provide?
The Lianshan electric drive system incorporates Li Auto's proprietary CAR119 cast-aluminum rotor material and a redesigned power-module architecture. The company says the rotor material increases electric-mode driving range by more than 15 km in urban conditions and more than 8 km on highways. It also reports that routing current directly to the chips through the redesigned power modules adds 30 km of driving range and frees up 24 mm of headroom. These stated improvements focus on energy efficiency and packaging, showing how electric drive materials and power electronics can contribute to vehicle performance alongside battery technology.