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Step 3Assemble the high voltage B-battery
Warning- This can be dangerous, do not over heat the batteries or short them out, they might explode!!!
2nd Warning- You are essentially creating a 72volt battery, you know how a single 9volt battery well give you a little buzz when you stick it to your tung? This well do a lot more then that, be careful, don't stick it to your tung either :P
Start by arranging the 8 9volt batteries in two rows of four with the terminals alternating, see first photo, this is to make connecting the batteries in series easier. Now using electrical tape, tape the batteries together. Strip the insulation off of some 22 gauge solid copper wire. Cut the wire into short pieces and bend the ends at a right angle forming a staple that hooks into the terminals. Use these pieces of wire well be used to wire the 8 batteries in series, see third photo. After all the wires are arranged solder them to the battery terminals. *Solder the terminals as quickly as possible and do not do both terminals on a single battery one after the other, do one terminal and goto another battery and do it and then come back and do the other terminal. This is to reduce the amount of heat applied to the battery as heat well damage the batter, possibly causing it to explode.
Cut three pieces of wire, two red one black, long enough reach from where you are going to attach the B-Batter pack in the box to the front where the terminals well be. Strip just one end of each of the wire for now. Solder the black, negative, wire to the negative end of the B-Battery. Solder one of the red wires to the positive end of the B-Battery, this well be the +72 volt connection. Solder the other red wire to the wire connecting the 5th and 6th 9volt batteries together, this well be the +45 connection.
Attach the B-Battery pack to the inside of the cigar box, I used double sided foam tape for this so that when the batteries wear out I can easily remove it and replace it with a new battery pack.
2nd Warning- You are essentially creating a 72volt battery, you know how a single 9volt battery well give you a little buzz when you stick it to your tung? This well do a lot more then that, be careful, don't stick it to your tung either :P
Start by arranging the 8 9volt batteries in two rows of four with the terminals alternating, see first photo, this is to make connecting the batteries in series easier. Now using electrical tape, tape the batteries together. Strip the insulation off of some 22 gauge solid copper wire. Cut the wire into short pieces and bend the ends at a right angle forming a staple that hooks into the terminals. Use these pieces of wire well be used to wire the 8 batteries in series, see third photo. After all the wires are arranged solder them to the battery terminals. *Solder the terminals as quickly as possible and do not do both terminals on a single battery one after the other, do one terminal and goto another battery and do it and then come back and do the other terminal. This is to reduce the amount of heat applied to the battery as heat well damage the batter, possibly causing it to explode.
Cut three pieces of wire, two red one black, long enough reach from where you are going to attach the B-Batter pack in the box to the front where the terminals well be. Strip just one end of each of the wire for now. Solder the black, negative, wire to the negative end of the B-Battery. Solder one of the red wires to the positive end of the B-Battery, this well be the +72 volt connection. Solder the other red wire to the wire connecting the 5th and 6th 9volt batteries together, this well be the +45 connection.
Attach the B-Battery pack to the inside of the cigar box, I used double sided foam tape for this so that when the batteries wear out I can easily remove it and replace it with a new battery pack.
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Dec 11, 2008. 7:33 PMWyle_E
says:
It's possible to daisy-chain 9-volt batteries to make a series string of any length. It's not as compact as two rows, but it's quicker than soldering. A dc-dc converter powered by D cells would be cheaper in the long run, but that's another project.
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