产品MAX｜我做了十年电池，至今也没买电车

Core Insights - The article discusses the importance of product reporting in the automotive industry, particularly for consumers and car manufacturers [1] Group 1: Product Insights - The new product observation column is divided into two types: MAX and PRO, aimed at providing effective advice to consumers and real opinions from experienced electric vehicle owners [2] - An engineer with around 10 years of experience in battery development shares insights on choosing batteries and electric vehicles, emphasizing the safety of lithium iron phosphate batteries over ternary batteries [2][9] - The engineer suggests that for vehicles priced above 200,000 yuan, paying a premium for a reputable battery brand like CATL is acceptable [3] Group 2: Charging and Battery Maintenance - The engineer recommends a charging rate of 2C for personal use, arguing that faster charging (4C) is unnecessary and can reduce battery lifespan [4] - Proper battery maintenance includes avoiding high temperatures and high state of charge (SOC) storage, with optimal usage being between 10% and 90% charge [19] Group 3: Market Trends and Consumer Behavior - There is a tendency among battery industry professionals to avoid purchasing vehicles equipped with their own company's batteries due to cost-cutting concerns [5][8] - The engineer recommends purchasing vehicles from manufacturers with high sales volumes, such as those using CATL batteries or BYD, as they are likely to have better quality control [10][15] Group 4: Safety Standards and Regulations - The new national standards for batteries are the strictest yet, but they still represent minimum requirements, and compliance does not guarantee that batteries will not catch fire or explode [20][21] - The article highlights that while new standards are in place, they do not account for all real-world driving conditions, and caution is still advised when it comes to battery safety [21]