Sun Changxu, chief analyst of International E-Commerce, said: "There will be several major changes in the mobile phone battery market next year, one of which is that everyone has talked about fast charging for many years. Next year, there will be more commercial products, which can be charged to about 80% of the power in a very short time.". In the figure above, the blue line is the charging process of ordinary charging technology: 0-30 minute charging is approximately a linear process, that is, the charging rate and