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What are Battery Numbers?

Published in Battery Specifications 2 mins read

Battery numbers, specifically in the context of car batteries, are often three-digit codes that provide information about the battery's capacity. These numbers are typically based on a reference value, and they indicate the battery's amp-hour (Ah) rating.

Understanding Car Battery Numbers

The reference text explains that for 12V batteries, a common base is the number 500. Here's how to interpret these three-digit codes:

  • Base Value: The base value is 500 for 12V batteries.
  • Capacity Indication: This number is used as a reference for the Ampere-hour (Ah) capacity of the battery.
    • For example:
      • 560 indicates a battery capacity of 60 Ampere-hours (Ah).
      • 600 indicates a battery capacity of 100 Ampere-hours (Ah).

How to Interpret Battery Numbers

Battery Number Capacity (Ah)
560 60
600 100

Key Points

  • These numbers are a coding system used by some battery manufacturers.
  • The capacity of the battery is often expressed as ampere-hours (Ah).
  • It's important to understand the specific coding system that your battery manufacturer uses.
  • These codes are especially relevant when selecting a replacement battery.

In summary, battery numbers, like the ones used in car batteries, are often a coding system employed to indicate a battery's capacity, where a base number (like 500 for 12V batteries) is used to interpret the three-digit code to determine the amp-hour rating.

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