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Step 2Prepare your wire
Cut your wire to a length that will enable you to use this power supply without the batteries hanging in mid air, or stretching the wires. This length will be different for everybody depending on your application. I cut each of mine to 2 feet.
After your wire is cut, strip about 1/2 inch and tin it.
*to tin wire, cover the stripped part in flux. Heat your soldering iron up and melt a glob of solder on the end. Touch the melted solder to the exposed wire. You may have to run the tip of the soldering iron along the length of the exposed wire. This covers all the individual strands of the wire in solder, making them stay together, and is much easier to work with.
Slide a small piece of red shrink tubing on one of your wires, and a piece of black on the other, and shrink it down using your heat gun. Radiant heat from your soldering iron will work also, just be careful not to burn through the heat shrink. This will allow you to easily tell positive from negative when using this power supply. If you don't have colored shrink tubing, you could use black and red permanent markers.
If your wire already has pins attached, you are done preparing the wire. If not, strip some of the insulation from your wires and crimp the pins on.
After your wire is cut, strip about 1/2 inch and tin it.
*to tin wire, cover the stripped part in flux. Heat your soldering iron up and melt a glob of solder on the end. Touch the melted solder to the exposed wire. You may have to run the tip of the soldering iron along the length of the exposed wire. This covers all the individual strands of the wire in solder, making them stay together, and is much easier to work with.
Slide a small piece of red shrink tubing on one of your wires, and a piece of black on the other, and shrink it down using your heat gun. Radiant heat from your soldering iron will work also, just be careful not to burn through the heat shrink. This will allow you to easily tell positive from negative when using this power supply. If you don't have colored shrink tubing, you could use black and red permanent markers.
If your wire already has pins attached, you are done preparing the wire. If not, strip some of the insulation from your wires and crimp the pins on.
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