The battery indicator consists of 5 LEDs that indicate battery level and another 5 LEDs grouped in a band that emphasizes contour of the battery. Connections are made in the image attached.

To function properly, each LED needs a voltage drop of about 1.8 V to 2.2 V and a maximum current of 20 mA (recommended 16 to 18mA)

This product can be used as control of a microcontroller or Arduino development project and can be mounted outside of your project and display the battery level.

Applications:

• Audio equipment
• Instrument panels
• Digital readout display
• Signal strength display
• Power status display
• Art display

Specifications:

• Place of Origin: China
• Usage: Indoor
• Display Function: Graphics
• Pixels:25mm
• Tube Chip Color: Red / Green
• Screen Dimension:31x18x6mm
• 5 segment bar
• Standard size for industrial use
• Low power consumption

Package Include:

• 1 x LED Bar Graph 5 Segment LED Display Light 31x18x6mm For Radio Battery Indicator