#1-In the Naming of Dry Batteries, the Shape of Dry Batteries Is Represented by Letters, Among Which R Means Round Dry Batteries and F Means Flat Batteries.
6F22, 4F22, 10F⒛, etc. are flat batteries.
#2-The Size of the Battery Is Indicated by Numbers. Different Sizes Indicate Different Battery Sizes. The Larger the Number, the Larger the Battery.
#3-In the Name of the Battery, Letters Are Added After the Numbers to Indicate the Characteristics of the Battery.
S is a normal type, C is a high-capacity type, and P is a high-power type.
For example, the common types of round dry batteries are R20S, R14S, R6S, etc.;
High capacity type: R20C, R14C, R6C.
High power type: R20P, R14CP, R6P.