What do the numbers on cylindrical lithium batteries mean

Battery nomenclature

The letters and numbers in the code indicate the number of cells, cell chemistry, shape, dimensions, the number of parallel paths in the assembled battery and any modifying letters

How to Read Lithium Battery Numbers

Learn how to decode lithium battery numbers, including chemistry codes, capacity, voltage, and

A Comprehensive Guide to Cylindrical Lithium-Ion

First and Second Digits: These digits represent the diameter of the cell in millimeters. For example, “18” indicates an 18mm diameter.

Lithium Battery Sizes Guide: Chart & Dimensions (2026)

Why do some lithium battery sizes end in ''0''? In the five-digit code (like 18650), the ''0'' at the end simply tells the manufacturer that the cell is cylindrical.

Decoding Battery Cell Numbers of Cylindrical Cells

These numbers are more than just labels; they provide specific details about the physical dimensions of the cells, which in turn influence the battery''s performance, energy

Understanding Different Lithium Battery Sizes: A Comprehensive

Cylindrical lithium-ion batteries are typically represented by five digits; the first two digits refer to cell diameter, the third and fourth digits indicate physical length, and the fifth digit

Meaning of Codes on Lithium Batteries

The numbers on a lithium battery provide important information about the battery''s dimensions or capacity. For Cylindrical Batteries (e.g., 18650): The numbers refer to the battery''s physical size.

A Comprehensive Guide to Cylindrical Lithium-Ion Cells

First and Second Digits: These digits represent the diameter of the cell in millimeters. For example, “18” indicates an 18mm diameter. Third and Fourth Digits: These digits denote

Li-ion battery model name and the meaning of the letters and numbers

IEC61960 stipulates the rules for cylindrical batteries as follows:Cylindrical lithium-ion battery with 3 letters followed by 5 numbers. 3 letters, I means built-in lithium ion, L means

Battery nomenclature

OverviewIEC battery nomenclatureHistory of the IEC standardHistory of the ANSI standardANSI battery nomenclatureSee also

Complete Cylindrical Li-ion Battery Guide: Understand IEC61960

This guide explains cylindrical Li-ion battery markings based on IEC61960, including the meaning of letters, dimension codes, prismatic vs cylindrical cells, and practical

Meaning of Codes on Lithium Batteries

The numbers on a lithium battery provide important information about the battery''s dimensions or capacity. For Cylindrical Batteries (e.g., 18650):

What Do the Numbers on a Battery Mean?

The ''CR'' prefix often seen on small coin cells, such as the CR2032, indicates a Lithium Manganese Dioxide chemistry and a round shape, with the numbers specifying the

Decoding Battery Cell Numbers of Cylindrical Cells

These numbers are more than just labels; they provide specific details about the physical dimensions of the cells, which in turn

Li-ion battery model name and the meaning of the letters and

IEC61960 stipulates the rules for cylindrical batteries as follows:Cylindrical lithium-ion battery with 3 letters followed by 5 numbers. 3 letters, I means built-in lithium ion, L means

How to Read Lithium Battery Numbers

Learn how to decode lithium battery numbers, including chemistry codes, capacity, voltage, and configurations for informed usage.

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