Ear seed is one of the 24 solar terms in China, which falls on June 5th or 6th in the solar calendar every year.

Since the release of "Energy Saving and New Energy Vehicle Technology Roadmap 2.0" in 2020, the industry's enthusiasm for developing hybrid technology has been rekindled in a very short period of time. By the end of 2021, almost all mainstream independent brand car companies have launched their own hybrid system architecture. With the development of the market, the demand for special components for hybrid systems has also become an inherent part of the question. Specific to the battery, what type of battery does a hybrid car need, and what factors determine the market's choice? These issues are seldom discussed, but it is necessary to explore them in depth.

The battery can be said to be the "heart" of new energy vehicles, and its "health" is related to the use experience of car owners. Every motorist is eager for his car to have a heart that will beat forever. However, as a consumable, the battery will always "grow old" after seeing many scenes on the road. So, how to judge whether the battery life of new energy vehicles is urgent?