Modified battery pack reducing weight of my DFX.

[artyfacts]

I swing my DFX for up to 9 hrs sometimes. The weight takes its toll on my shoulders. To counter some of the weight I modified an old rechargeable battery pack and a regular battery pack for my DFX. I soldered a solid copper wire in the positive and negative connections in the rechargeable pack that is to go inside the detector. I then drilled the appropriate hole size for the coil cord in both packs. Get the correct size hole matching the coil wire diameter, this will reduce chaffing and early wear on the coil wire. You want a tight fit. It is important that the coiled cord comes out of the empty pack on the far left side, or the right back side of the pack. This is the only place the coiled wire has room to slide into the battery pack inclosure in the detector. I used an old coiled charging wire from an old cell phone. I cut the unusable ends off of the coiled cord, and slipped the ends through the drilled holes made in both boxes. Make a knot in the coil ends on the inside of each box and pull snug. This will prevent the wires from pulling your connections loose in the battery pack. Make sure to leave enough wire to reach appropriate positive or negative posts. Make sure also that if the two wires in the coiled cord are not color coded, (black and white) that they go to the proper positive and negative posts when soldering them in, if the wires are not color coded, use a meter. I then used a dab of silicone where the holes were made in the packs on the inside and out of pack, just for insurance, a snug fit. Using a dremel I cut a notch in the detector battery pack closure. Put tape over the battery pack compartment to keep metal shavings out of the case and computer board. I filed the cut edges smooth. I then used small strips of gorilla tape around the small opening to prevent the the cord from chafing. The other pack with the 8 AA batteries goes any where you want. This shaves about 6 to 7 ounces off of your detector weight. Is it noticeable, you betcha. Now I have to work on making a plastic main housing for the computer board. Art

 

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