Battery Symbol in Circuit Diagram - Single Cell Battery

What is the Circuit Symbol for a Battery?

A single-cell battery symbol in a circuit is a graphical representation of the battery, used to demonstrate its position within a battery symbol circuit diagram. This enables technicians to easily find its location within the system without requiring a physical inspection.

What standard is used for the battery symbol in circuit diagrams?

The symbol for a battery follows international standards such as IEC 60617 and ANSI/IEEE Std 315. These standards establish clear rules for polarity, ensuring the longer line represents the positive terminal and the shorter line the negative terminal.

How is a single-cell battery symbol shown in a circuit?

A single-cell battery is drawn with one long line and one short line. This simple symbol is used in schematics to indicate the presence of a single electrochemical cell. Voltage rating or chemistry (for example, alkaline or lithium-ion) may be noted alongside the symbol for clarity.

Why is polarity important in the battery symbol circuit?

Polarity ensures correct connection in the circuit. Reversing the positive and negative terminals can damage sensitive components such as diodes, LEDs, and integrated circuits. The symbol makes polarity clear: the long line is always positive, the short line negative.

Can the battery symbol be drawn vertically as well as horizontally?

Yes. The symbol may be placed vertically or horizontally, depending on the circuit layout. Orientation does not affect meaning, as long as the polarity is correctly shown with the long line for positive and the short line for negative.

Where can I find Single-Cell Battery Symbols for CAD and P&ID Drawings?

You can access a full set of ISO/IEC-compliant battery symbols, among others, directly from Capital X Panel Designer's Symbol Library. By using pre-made standardised symbols, you save time and ensure accuracy and consistency in your diagrams.

Make Drawing a Battery Symbol Electrical Circuit Faster with the Capital X Panel Designer!

A single-cell battery circuit symbol may be simple to draw, but drawing so many in succession can be tedious. Fortunately for you, Capital X Panel Designer can help speed up this process! Just drag and drop a pre-made circuit symbol for a battery into your diagram, and then copy and paste to your heart’s content.

Learn more about how to create custom electrical symbols.