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The description in the link states Acrylic.

The rate is I=1000/kOhms. You typed the mistake but didn't make it in your calculations. Just wanted to make sure you didn't get confused and screw that up later.

To answer your questions about trimmer +1k it should work fine. But why would you want a trimmer on your charger? I assume you are building an independent charger to charge multiple battery types? With out an easy way to read the trimmer, incorrect adjustments could ruin the battery. I...

Was hoping to place an order this week as well.

All laptop batteries are protected. The Protection is built into the pack. A single protection circuit can be designed to work with several batteries in a pack. This is also the case for some Power tools. Drain rate is also less of a concern in laptop batteries. Back to the OP's question...

Interested in Mini LT with extension or 18650 LT. I would be out if it is Mini only. Thanks.

So I lost my silver bullet. I had that thing for 18 months and loved the heck out of it. Rather than drop the $$$ for another, I figured I'd try out an e-power 18650 since they were on the cheap. $15 got me a bare bones Epower. It blew. It hit worse than my 650mah Ego. I was running AW...

Cottonpickers will work with you on custom orders. The single current versions are significantly cheaper as well. Those xtar's seem neat as does the 4 sevens. I think I would be more inclined to just buy the hobby charger and strip my old trustfire charger to make a cradle. I do love the...

Great job on the packaging. I tried one of these a while back and my clumsy self cracked the battery box so I gave it a rest.

Do not, NEVER freeze a Li-ion. Freezing and heating batteries is a trick that coems from Ni-cad batteries. Ni-cad batteries will crystallize over time. This is that "memory effect" that you often read about. Thermal shock can remove the crystallization on occasion. Thermal shock however is...

What charger are you using? If it is a multi-volt charger it can bug out thinking that a li-ion is of a different chemistry.

That's what MFS does. In the past I've ordered over 500ml of MFS RY4, having loved it all. My new order arrived on a Thursday. One of the bottles was just off. I don't know why or what happened but it tasted like socks. I contacted MFS and received a response with in 24hours and a new...

--> FS: Cottonpickers Chargers incl. Worlds smallest Li-ion charger with display

For small, mechanical, and bottom button, something from Super T is going to be your best bet. A copper might also meet your needs at half the price, but it will usually be larger. You pay quite a bit for the size difference. http://www.supertmanufacturing.com/id73.html

Torch mods and 3aaa flashlight mods commonly use 18500 or 14500's. Madvapes has a diagram and walkthrough on their site using an 18500. 18650s require a little more work to squeeze in the extra length but it has been done quite often. Stacked CR2's will fit. The detonator mod is a stacked...

If you have multiples, disassemble a charger and see if you can make it fit. Something like this can also be used. DealExtreme: $2.00 USB Powered Universal Cell Phone Battery Charger Keychain with Auto-Polarity (USB 5V) However you should answer that question on protection before you slap in...

Yes, its a power source that will supply 3.7 volts. Questions that need answered are: Will it provide the necessary current? Lithium ion batteries can vary in internal resistance. As each application is different, some times higher internal resistance can allow for longer battery life. The...

Well, you certainly put a lot of work into this. Its a neat idea too. Have you thought about designing this around a 306 atomizer. The atomizer would then be easily replaceable saving people the trouble of rebuilding one when the atty burned out. You could build up around a 306 cart or delrin...

It looks like its 4 "C" or "sub C" sized Nimh cells in series in a pack. It's effectively a puck but will require a specialized charger. 3.7V cells come in various formats because thats the voltage of a single cell. 1.2V NiMH cells come in the same variety of sizes as do 3.3V cells...

2 cell high efficiency. I doubt most people have various voltage batteries lying around that they will want to swap out with. You'll also have to worry about size with variable input. I personally would only use the largest capacity battery that would fit the mod, and would see little reason...