Product Model: OKY0249

5.5*2.1mm Plug PP3 Box Case DC Switch Battery Holder

Product Description

1.Hold 1 standard 9V battery.

2.With cover and ON/OFF switch.

3.Be used as a perfect external power source.

4.Demension of battery box: 68.5×33.5×21.2mm.

5.Outside diameter of the plug: 5.5mm.

6.Inner diameter of the plug: 2.1mm.

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