What do the codes on a car battery mean?

Date Code: Most batteries have a date code, usually a long string of numbers and letters that show when the battery was purchased. One row of one- or two-letter codes indicates the month, the other row of numbers is the last digit of the year.

What do the letters and numbers on car batteries mean?

This refers to the battery size that will best fit the physical dimensions, terminal locations and type required for your vehicle. The Battery Council International (BCI) assigns numbers and letters for each battery group size. Group size is typically based on your vehicle’s make, model and engine type.

How do I know which battery to buy for my car?

To get the right battery power for your vehicle, you need to consider the cold cranking amps (CCA) and reserve capacity (RC). Cranking amps is the measure of your battery’s starting power and should always match the standard requirements of your vehicle. Check the owner’s manual for these specifications.

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What does date 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.

How do you read battery numbers?

Understanding the specifications

  1. 1st digit – Voltage. 1-2 = 6 Volt Battery. 5-7 = 12 Volt Battery.
  2. 2nd & 3rd digits – Nominal capacity. 560 = 60Ah @ 20 hour rate. 660 = 160Ah @ 20 hour rate.
  3. 4th & 5th digits – The unique code number referencing battery performance and features.

What do all the numbers mean on a battery?

Date Code: Most batteries have a date code, usually a long string of numbers and letters that show when the battery was purchased. One row of one- or two-letter codes indicates the month, the other row of numbers is the last digit of the year.

What does CCA and MCA mean on a battery?

CCA is the cold cranking amp rating which tells you how many amps will be delivered to the engine in cold temperatures. MCA or marine cranking amps is conceptually the same rating, however, the CCA rating is based on amps delivered at 0℉ and the MCA rating is done at 32℉.

What happens if you use the wrong size battery in a car?

Manufacturers precisely match their alternators and batteries to the vehicle’s power requirements. A mismatched battery/alternator combo could cause your alternator to overheat and shorten its life.

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What is the RC rating on a battery?

Reserve capacity (RC) is a important industry rating for a battery. The rating signifies the number of minutes it will take a fully charged battery at 80 ° F to discharge at 25 ampere and maintain a voltage of 10.5 volt for a 12 volt battery.

How do I know when my car battery needs replacing?

How to Know When it is Time to Replace Your Car Battery

  1. 4 Signs It Is Almost Time For a New Battery.
  2. 1) Your Battery Struggles to Combat Seasonal Challenges.
  3. 2) Your Car Has Been Sitting For Too Long.
  4. 3) Your Vehicle Struggles When Starting.
  5. 4) Your Battery Is Older and Triggers a Dashboard Light.

How do you read a battery date code?

The 1st two digits of the serial number are letters with the remaining 10 digits being numbers. The date code is on a label located on the back side of the battery. The code is one letter, followed by one number. The letter is code for the month.

Is there a date code on a car battery?

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. With these types of batteries, you’re looking for a four- or five-digit shipping date code engraved into the cover.

What does the green sticker on a battery mean?

The little colored dot sticker is the date it was recharged. Wet batteries have a long shelf life if they are kept charged, and are usually charged once a month by the battery rep.

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