Ref: 241

Brand: ModMaker

Battery Polarity Stickers

A sheet of 67mm X 8mm vinyl stickers with permanent adhesive designed to fit into Keystone 18650 battery sled apertures although they can be used anywhere that you need to clearly show the orientation of a battery.

Price £1.00
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Red 0.28` LED Display Digital Voltmeter Panel 2.5V-30V


Small red 0.28`Red Voltmeter



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Smaller than the standard mini voltmeter boards. The display is approximately 22.5mm x 10mm.
Simply connect up the red wire to your positive and the black wire to the negative to display the voltage.

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