What do the numbers on a car battery represent?

1 Answers
VanElliott
07/30/25 3:46am
The numbers on a car battery represent the following meanings: 1. 6: Indicates that the battery consists of 6 individual cells, with each cell having a rated voltage of 2V, making the entire battery 12V. 2. Q: Indicates the battery's purpose. Q stands for batteries used in automotive starting applications. M is for motorcycle batteries, JC for marine batteries, HK for aviation batteries, D for electric vehicle batteries, and F for valve-regulated batteries. 3. A and W: Indicate the battery type. A stands for dry-charged batteries, while W represents maintenance-free batteries. If no such markings are present, it indicates a standard battery. 4. 54: Indicates the battery's rated capacity of 54Ah. 5. Subscript a: Represents the first improvement to the original product. If marked as b, it signifies the second improvement (and so on).
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