How to read battery type information of JIS (Japanese Industrial Standard) code battery?
The type of a battery is indicated on the top of the battery.
Compare their differences based on performance and size, so you can pick the right battery for your car.
1: Performance rank (no unit symbol)
This indicates a battery's overall performance (starting performance, capacity). The larger the number, the better the performance. (Under 50 = 2 steps, 50 and above = 5 steps)
2: Size of the narrow side (In the JIS standard, categories are set based on the width and the box height)
Symbol: The size increases from A to H (Unit: mm)
3: Length (cm)
This indicates the approximate length (cm). (Example: About 24 cm for 55B24L)
4: Polarity position
This indicates the positive and negative polarity position of the battery (R. or L. or no symbol).