1.6 represents a composition of 6 single cell batteries, each with a voltage of 2V, i.e. a rated voltage of 12V;

　　2. Q represents the purpose of the battery, Q represents the starting battery for automobiles, M represents the battery for motorcycles, JC represents the battery for ships, HK represents the battery for aviation, D represents the battery for electric vehicles, and F represents the valve regulated battery;

　　3. A and W represent the type of battery, A represents dry load type battery, W represents maintenance free type battery, and if not marked, it represents ordinary type battery;

　　4.54 indicates that the rated capacity of the battery is 54Ah (a fully charged battery can discharge at a rate of 20h at room temperature for 20h, which is the output power of the battery);

　　5. The subscript a represents the first improvement to the original product, and adding subscript b after the name represents the second improvement, and so on. Note: ① Adding D after the model indicates good low-temperature starting performance. ② Adding HD after the model indicates high vibration resistance. ③ Adding DF after the model indicates low-temperature reverse installation.

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