On August 16, 2023, the China Insurance Research Institute of Automotive Technology and Research (hereinafter referred to as "China Insurance Research Institute") released the 16th phase of the research results of the automotive zero integer ratio system index (the data collection date is June 30, 2023). According to the latest data from the China Insurance Research Institute, the average zero-integer ratio coefficient of a single piece of power battery pack of 50 new energy sample models in this period is 4885%, and the average value of the battery pack per unit energy is 162363 yuan kWh. The zero-integer ratio of a single piece of power battery pack and the zero-integer ratio coefficient of many popular models of BYD are lower than the average. It can be seen from the data released by the China Insurance Research Institute that BYD's many popular models, such as the 2022 Seal, the 2022 Yuan Plus, the 2021 Dolphin, the 2021 E Tang, the 2021 Qin Plus, the 2021 Song Plus, the 2020 Han, etc., are below the sample average of the single piece of the power battery pack and the unit energy battery pack** data of these popular models. 
Data**: China Insurance Research Institute Automotive Technology Research Institute 16th Automobile Zero Integer System Index Research Results Conference Note: The zero integer ratio of a single piece of power battery pack is the ratio of power battery pack accessories ** and vehicle sales ** x 100% In the statistical chart, except for the 2020 BYD E3 ternary lithium battery, other models are lithium iron phosphate batteries According to the data in the above figure, taking the 2020 BYD Han as an example, Han's power battery pack has a zero-integer ratio of about 28%, which is far lower than the sample average of 4874%, according to the analysis of the calculation method of the zero-integer ratio of a single piece of power battery pack published by the China Insurance Research Institute, the after-sales service of BYD's battery pack, a core component, is at a low level and very competitive. 
Data**: China Insurance Research Institute Automotive Technology Research Institute 16th Automobile Zero Integer System Index Research Results Press Conference Note: The unit energy battery pack** is the ratio of the power battery pack accessories** to the battery power In the statistical chart, except for the 2020 BYD E3 is a ternary lithium battery, all other models are lithium iron phosphate batteries According to the data of the unit energy battery pack ** in the above figure, taking the 2020 Han EV as an example, the official suggested retail price of the battery pack is 77,540 yuan, and the battery energy is 7690 kWh, according to the calculation formula of the unit energy battery pack published by the China Insurance Research Institute is the ratio of the power battery pack accessories** to the battery power, it can be calculated that the unit energy battery pack** of the 2020 Han EV is 1008 yuan kWh, which is 1380 kWh51 yuan kWh is a lot lower. Therefore, it can still be seen from the dimension of unit energy battery pack** that the after-sales pricing of BYD battery pack is very low. 
As one of the hottest synonyms in the industry in recent years and the leader of new energy vehicles, how does BYD steadily control the zero-integer ratio of a single piece of power battery pack within the low range of the industry?Behind it is inseparable from the strong power battery pack chain vertical integration advantage, its core competitiveness is Fodi battery, which has 100% independent research and development, design and production capabilities. As a wholly-owned subsidiary of BYD and the largest and most core battery supplier of BYD, Fodi Battery is based on the new energy industry, deeply cultivated in the battery field for more than 20 years, and has built a complete battery industry chain, providing a steady stream of self-research and self-production capabilities for BYD's huge automobile kingdom, and continuously consolidating its core competitiveness in the process of "self-reliance". In addition to breaking the technical limitations, BYD also provides the first owner of non-commercial vehicles with a lifetime warranty service for the "three electrics" system. Vehicles that meet the conditions of the lifetime warranty of the "three electrics" system, in addition to enjoying the vehicle warranty and repair stipulated in the "BYD Automobile Three Guarantees Certificate and Warranty Manual", can also enjoy the lifetime warranty service, which better protects the maintenance rights and interests of the battery, motor and electronic control core components of new energy vehicle owners. Since there is no detailed data on the zero-integer ratio coefficient of each manufacturer in the 16th zero-integer ratio report, this article takes the results of the 15th automotive zero-integer ratio system index research released by the China Insurance Research Institute of Automotive Technology and Research Institute on March 17 this year (the data collection date is December 31, 2022) as a reference to see what level BYD's zero-integer ratio data of the whole vehicle is located in addition to the data of battery-related parts. 
Data**: The 15th Automobile Zero Integer Ratio System Index Research Results Conference released by the China Insurance Research Institute disclosed the 100 sample models of the market with the zero integer ratio coefficient of automobiles, of which the "Automobile Zero Integer Ratio 100 Index" is 36538%, this value represents the average vehicle zero integer ratio level in the current market, but from the perspective of the whole vehicle zero integer ratio coefficient of a single manufacturer, BYD's zero integer ratio coefficient is 180%, which is the lowest among the 100 sample models, and even far from the average level. This data shows that BYD is very cost-effective in after-sales maintenance, and it is cheap. BYD can achieve such a low car integer ratio in the industry, mainly in the manufacturing of spare parts and materials, BYD has formed its own strong chain, process standardization, systematic research and development, manufacturing, logistics and other links to save a lot of unnecessary costs, so that the pricing can be at a low level in the industry, so as to benefit consumers, so as to reduce the maintenance cost of customers. 
Cost-effective after-sales service is not only reflected in the maintenance of the first grade, but also in the customer's experience in all aspects of after-sales service. According to the needs of car owners, BYD provides high-quality services of "good diligence and sincerity", continuously optimizes the process and experience of after-sales maintenance, optimizes the quality of accessories and related services, and constantly creates more intimate and humanized service products, such as charging pile door-to-door installation services, pick-up and delivery services, valet parking services covering multiple life scenarios, door-to-door tire replacement services, sincere starlight services that extend service hours, and technical direct question services for professional technicians to answer questions. By setting up temporary service points in remote areas, providing close-range repair and maintenance services and officially certified second-hand car services, BYD after-sales service continues to invest in customer experience improvement and service product optimization, which reflects BYD's belief and persistence in providing customers with full life cycle services.