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Step 3Attach your wire to your batteries
Grab the wire that you have designated as the negative lead.
Using the needle nose pliers, twist the tinned end into a small circle. This small circle must be small enough to fit into the negative terminal of one of your batteries.
***Avoid touching the soldering iron to the battery for more than 2 or 3 seconds---if you heat it up, it could damage the battery or explode!*** YOU HAVE BEEN WARNED! Proceed at your own risk! Safety glasses or a face shield may be a wise choice at this point...I always wear them when soldering anyway.
Fit the twisted end of the wire into the negative terminal of one of your batteries. Put a tiny amount of flux in there. Get a big glob of solder on your soldering iron, and VERY QUICKLY solder the wire to the terminal. Hold it in place a few seconds until it cools down.
After the solder cools, give a little tug on the wire to see if it is soldered in there properly. You shouldn't see any movement. If you do, pull it out, clean up the wire, and try again.
Repeat this for the positive side, using the positive terminal on a different battery.
Using the needle nose pliers, twist the tinned end into a small circle. This small circle must be small enough to fit into the negative terminal of one of your batteries.
***Avoid touching the soldering iron to the battery for more than 2 or 3 seconds---if you heat it up, it could damage the battery or explode!*** YOU HAVE BEEN WARNED! Proceed at your own risk! Safety glasses or a face shield may be a wise choice at this point...I always wear them when soldering anyway.
Fit the twisted end of the wire into the negative terminal of one of your batteries. Put a tiny amount of flux in there. Get a big glob of solder on your soldering iron, and VERY QUICKLY solder the wire to the terminal. Hold it in place a few seconds until it cools down.
After the solder cools, give a little tug on the wire to see if it is soldered in there properly. You shouldn't see any movement. If you do, pull it out, clean up the wire, and try again.
Repeat this for the positive side, using the positive terminal on a different battery.
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