5v mod with no resistors or regulators. Awesome battery life. Cheap as hell. No soldering/epoxy needed.

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perlionsmitnick

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Check it out sonicares. And check it again after a couple of weeks of use:
voltagedrop.jpg

Good Try BreakThu but if he doesn't have a soldering iron I doubt he has a multimeter.

Nice attempt Sonicare but you may want to invest in a soldering iron now that you have the modding itch ! :)
 
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TomCatt

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Very nice indeed! Where did u get that type of battery holder?

Violet, You can pick similar battery holders up at any RadioShack. ThePuck has a very good tutorial on a mod using AAA NiMH batteries. Check out the link on my signature.

WillyB, just curious, why the disparaging comments on mods using NiMH? Numerous people have made the Puck mod and enjoy it. I have made 2 so far and am working on more.

This mod is way cool and easy for anyone to try their hand at modding. Excellent, Excellent work!!
 

Dalton63841

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Mod is still going strong guys...no mis fires or anything... thing lasts me 2 solid days without much drop in voltage.....

I think its one of those things where once you are taught that certain things are proper, its hard to go back to doing things ghetto. I remember doing things EXACTLY the way you did this mod, and it does work just fine. I mean, I did teach myself to solder, because well, its an important skill, but for simple things like this, what you did is fine.
 

breaktru

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solder isnt needed, when you wire up a stereo system in a car do you solder the wires? a speaker is going to care more about a clean connection than an atty. all you do is crimp a connector and push the connector on.

good job working with what you have

Yes Nick, CRIMP with a crimp connector. Not squeeze a solid wire on a solid post, or wedge it between plastic and metal. Also, the atty generates more amperage than the speaker.
I use to own an Alarm Company and we used stranded wire to stranded wire twisted together and crimped in to a B-Connector impregnated with oxidation GEL. And this is for low voltage, low amperage.
Did you do any house wiring? Solid wire is used but you would use a Wire Nut to ensure a solid connection. I've also done some Receptacle wiring for the NYCTA, they use stranded wire but the code states that the end of the wire has to be crimped in to a spade lug.
 

AttyPops

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The entertainment factor in this thread is great. You guys should start a vaping reality TV show: "Survivor...MacGyver....Will it vape?". Week1, Week2... rofl.

I vote for solder. However, the speaker wire analogy is interesting. Tried electrical grease (very small amount) for better contact/surface area? <fans the fire>. lol.

Edit: breaktru already mentioned oxidation gel.........drat.

BTW.... soldered joints don't have wires that work lose over time and cause a short. A few fried atties and/or popped batteries pay for a soldering iron. Just say'n. What happens when NiMH batteries get shorted? (just asking to be safe) A couple touches with a soldering iron/solder and "Bob's your uncle!"
 
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TomCatt

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Hmmm, maybe I'll look into 4 C-cell NiMHs....
"
Technical Details

High quality C size 5000 mAh high capacity nickel hydride metal (Ni-MH) rechargeable batteries
Very long life time and can be recharged up to 1000 times.
Exact replacement for standard C size batteries and NiCd rechargeable batteries
Convenient operation due to the advantage that Ni-MH batteries have no memory effect.
Battery tested based on International Electronic Commission (IEC) standard to ensure capacity, quality and life time
"

Hmm, may have to add wheels....

LMAO!!!!!!
 

bstedh

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If you do not solder even a light coating of automotive grease will help to reduce corrosion which will be one of the biggest factors with a non soldered connection. The connection will corrode, it just depends on how much in how much time. With the battery pack that you are using those wires will come loose after a little bit of use.

Go in and squeeze the wires tight with a needle nose pliers every couple of days. Give them a wiggle also to break up any corrosion as you tighten them. You can make this work long term but it will require maintenance to keep the performance up at peek levels. That is where the solder has a big benefit. The connection will stay good as long as it is not subjected to high heat.

Wire wrap was used for years because it was quick and easy to do. However there was always issues with microscopic corrosion. The more wraps of wire you have in contact the better your life and stability will be.

It is a good job in working with the tools you have on hand. The most important thing is that it works. You may have to maintain it a little more but you have a mod that works and you built yourself using tools you have on hand.
 

CraigHB

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For high vibration applications, it's actually better to crimp than solder. Soldered connections have a tendency to develop stress fractures and break. Though it doesn't apply to modding and honestly, how much is a 25W soldering pencil, $10? If you can't afford that, you shouldn't be modding. And if you are going that far out of your way to avoid soldering, you shouldn't be modding.

The NiMH batts actually have decent energy density. It's only about 30% lower than a Li-Ion. The disadvantage is not so much the space, but the efficiency. NiMH batts have much higher internal DC resistance so they waste more energy at higher outputs. In comparison, an NiMH AA cell has around 200mΩ internal DC resistance. With 3 in series to compare with the voltage output of a Li-Ion, that's 600mΩ total. A 14500 Li-Ion has around 50mΩ, that's less than a tenth as much. It's one of the reasons NiMH batts don't do nasty things when they get shorted, that and the fact the chemicals they contain are less volotile.
 
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Alžběta Madragana

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Wow. Kick ....

Excellent work. Thank you for sharing this.

First of all...thanks to all the people who post on the modders section..esp puck :)

Pics first and some notes at the bottom.


































Notes:

- using 4 AA, 1.2 volt, 2000 Mah NiMH rechargable batteries. Picked them up from maplins including a charger for 5 pounds !!!!!!!!!!!!! Bargain of the century

- the battery holder is for 4 aa but it is square so two batteries sit on top of the other two. The setup is "oo" on top of "oo" instead of the usual "oooo". The holder has two 9v battery type connectors on top. I bought a wire as you can see in the pic which connects to the connectors.

- the switch is a 3A rated push button..not clicky. at all.

- There is no epoxy on the 510 connector. I drilled a hole in the box just a bit bigger than the connector and then used a condom that comes with the cartomizers. I double the condom on itself and pit the connector in it and it is an awesome fit through the box hole. very sturdy.

- after 24 hours vapng, the batteries read 5.1v and 4.2v on full load.

- there is absolutely no solder anywhere cos I dont have a soldering iron. LOL.

- for the holes in the box, I just used a small nail to make the initial hole and then widened it by rotating a pair of scissors inside it. Very ghetto but made perfect round holes.

If you got ne more Qs, shoot away.
 
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