18650 Battery Holder 3 Cell Square Case Housing puts the batteries in series so you have 3x the voltage of a 18650 battery. 3 X 18650 Battery Cell Holder Square Case Housing has inner connection in series. You can connect Arduino directly.

The 18650 lithium battery is a commonly used lithium battery in electronic products. It is often uses in batteries of laptop computers and power banks. 18650, which refers to a battery with a diameter of 18mm and a length of 65mm.

18650 Battery Holder 3 Cell Square Case Housing has High-quality ABS external / PC material, insert material is bronze pin environmental protection material.

The ABS plastic can handle bearable heat which normal plastic can’t and Stainless steel shrapnel screens will hold the batteries, the installation is very convenient to replace the battery, it will not damage the battery and other parts, convenient and fast, safe and reliable.

3x 18650 Battery Cell Holder is suitable for standard 18650 cells, as well as 18650 cells with protection circuit.

This holder provides output leads approximately 6″ long for soldering or connecting to your circuit. There are mounting holes in the bottom to secure to a panel, bulkhead or mounting plat.

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