How to Check the Production Date of a Car Battery?

[LeCarson]

The production date of a car battery is indicated on the battery surface by a batch number. The meanings of the characters are as follows: 1. The first character is a digit, usually one of the numbers 0-9, representing the production year of the battery. 2. The second character is a letter, usually one of the 12 letters A, B, C, D, E, F, G, H, J, K, M, representing the production month of the battery. The letters correspond to the months 1-12 in alphabetical order. 3. The third character is a letter representing the manufacturer of the battery. "C" indicates the factory in Chongqing, while "Z" represents the factory in Zhejiang. 4. The fourth and fifth characters are digits, indicating the production day of the battery. 5. The sixth and seventh characters are a combination of letters and digits, representing the batch number of the battery.