Battery Date Code Chart

If you’ve ever wondered how to tell the age of a battery, you’re not alone. Most batteries have a date code stamped on them that can help you determine when they were manufactured. Understanding how to read a battery date code can help you determine if your battery is still good or if it’s time to replace it. In this article, we’ll explore the basics of battery date codes and how to read them.

Battery Date Code Chart

Month Year 2nd Digit 3rd Digit 4th Digit
January 2020 A 1 0
February 2020 B 2 0
March 2020 C 3 0
April 2020 D 4 0
May 2020 E 5 0
June 2020 F 6 0
July 2020 G 7 0
August 2020 H 8 0
September 2020 J 9 0
October 2020 K 0 1
November 2020 L 1 1
December 2020 M 2 1

How Do You Read a Battery Date Code?

Battery date codes are typically stamped on the top or side of the battery. The code consists of a letter and a number. The letter represents the month the battery was manufactured, while the number represents the year.

For example, if you see a code that reads “A17,” the “A” represents January, and the “17” represents 2017. If you see a code that reads “C20,” the “C” represents March, and the “20” represents 2020.

Can I Tell How Old My Battery Is?

Yes, you can tell how old your battery is by reading the date code. Most batteries have a lifespan of 3-5 years, so if your battery is more than 5 years old, it’s likely time to replace it. However, even if your battery is less than 5 years old, it’s important to test it regularly to ensure it’s still holding a charge.

How Do You Read Battery Numbers?

In addition to the date code, batteries also have a series of numbers and letters that indicate the battery’s size, type, and other specifications. These numbers and letters are typically stamped on the side or top of the battery.

For example, a common battery size is “AA,” while a common battery type is “alkaline.” Other specifications may include the battery’s voltage, capacity, and chemistry.

What Is the Date on a Battery For?

The date on a battery is used to help determine the battery’s age and lifespan. As batteries age, they become less effective at holding a charge, which can lead to problems with devices that rely on them.

By understanding how to read a battery date code, you can determine if your battery is still good or if it’s time to replace it. Regularly testing your batteries and replacing them when necessary can help ensure that your devices continue to work properly and that you don’t experience any unexpected downtime.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.