What Does Sticker on Battery Mean?

Many manufacturers use a date sticker on top of the battery to show the “in service” date. The sticker shows months and years, and the appropriate month and year are marked when you purchase the battery. This date showed when the battery went into service, and they calculate the warranty expiry date from here.

What does the date sticker on a battery mean?

Date codes are engraved into the cover of each Interstate battery at the time the battery is shipped from the manufacturing plant. This is how you can tell the age of your battery. ... The additional digits tell where the battery was made. The first digit from the left is a letter. It stands for the month of the year.

Is the date on a battery the expiration date?

Unfortunately, yes. All batteries have an expiration date mentioned on the packaging and on the cell itself. The battery may still work after that date, but with minor performance.