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This method uses an industrial grade microswitch (long life, high current capacity) in place of the normal cheap horn switch you see in home made box mods. While it does take more work to fit this switch it will probably last longer, and perform better. Bounce back and forth between the text...

I went off topic in another thread, so maybe this would be a better place for the experts to explain the potential for Jatropha oil to make it into our Vegetable Glycerin. Or is the FDA just trying to scare us? http://www.fda.gov/downloads/ForIndustry/GuidanceDocuments/UCM310867.pdf...

This schematic has been posted elsewhere in the forum and after looking it over there seems to be a possibility for a single failure causing an eGo to go thermal. I can't get into the Kitchen/Lab/Shop at the moment because the wife is cooking dinner or I would test my assumption. Maybe...

Here's a question for some of the engineers here. What is the effect of a collapsible spring with a switching regulator in a mod? As the spring contact resistance goes up from heat what is the effect on regulator operation? Could there be a point in the operation that source impedance (cell +...

With all the discussions about which is better; protected Li-ion cells or unprotected IMR cells I would like to offer an option for modders to consider. For Big Battery 3.7 volt mods, incorporate overvoltage, undervoltage, overcurrent, short circuit protection AND the 'Safer' IMR chemistry...

Some of us still vape at 3.7 volts using big battery boxmods. Keeping chargers on the counter for my 18650 batteries, and eGo chargers dangling for the wife's eGos was taking up too much room in the KLS (Kitchen,Lab,Shop). All my latest mods have a 510 connector wired in as a charge port (adds...

I've seen many posts where folks are having one heck of a time putting the insulator back in a 510 connector after taking it out to solder. I used to fight them also until I started doing it the right way :) Even if you are careful you will probably degrade the insulator to solder to the...

One thing that gets some of the DIY mod builders is 'other' resistance. When you measure a carto with a normal 2 lead meter that is the resistance of the meter leads themselves, and internal resistance of the meter. Back in the day of 3.4 ohm cartos, an extra 2 or 3 tenths of a ohm did not...

This one is a pass thru. It has an eGo connector pressed into the front of an aluminum die cast box, and a 510 batt connector on the bottom for charging, or pass thru operation. Using a Sanyo 2600, tabbed Li-ion cell, 18 ga. wiring, a horn switch, and a 6 amp protection circuit board. Oh...

Pretty much like everyone's box mod, only different. Aluminum box, vented and Using UNPROTECTED LI-ION cells (with tabs) in parallel. Oh, and a protection board, sorry. (the one with 2 mosfet switch chips) SPDT switch for vape/charge, 510 eGo connector and cone with a 510 bat connector for...

Put together a quickie box mod using an IMR26650, and the protection circuit board from an 18650. Got the box from MPJA.com. Self explanatory photos (I think). Still have to come up with a charging connector. I charge it with a 510 charger, rubber band to hold the switch. I might mod one...

Disassembled a CE2-XL-510 and stuck it in a ball point pen tube. Vapes great, easy to refill, just don't lay it on it's side.

Ran into a situation this week where an insulator (center conductor) was cut and allowed the center conductor to short out to the shell. Most insulators sit on a step in diameter and the washer/sleeve confirguration can get cut from too much pressure when screwing parts together. This could...

Question about regulators. I'm full of questions. Back when I was actually working, not sitting on my .... in front of a computer I used to design and build electronic stuff. 3 terminal Integrated circuit regulators were "New". And now we have ultra low dropout regulators, cool. These have...

I have a few questions about the 3.6/3.0 volt Li-ion rechargeable cells. From what I've read (don't use them myself) they are 3.6 volt cells that have a circuit (under the positive cap?) that senses current draw and switches the output voltage from 3.6 to 3.0/3.2. I've also read that a...

What happens when you work the graveyard shift and start polishing on couple MODS? Never Dull is some great stuff. 3 different flashlight models, all 18650 3.7 volt. One 510 and two 901/808D-1. OK, Nap time.

Flashlights MODS typically use the ....-Switch as a master click on/click off switch or replace it with a nice $2 or $3 switch. Then another $1 to $2 momentary switch is mounted up front. An LED is usually installed to tell the user he forgot and left the power on or voltage is too low to...