Mech Mod battery questions!

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Esryan91

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Jan 30, 2014
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Dallas, Tx, USA
So this is my first thread on here and I'm excited to see all the answers I receive. Also I did not see this question posed on the site yet either so hopefully someone had experience and can help.

So I just got my first Mech Mod (Magneto v2). I also got the RSST tank. A friend of mine has taught me how to build the tank and everything for lower ohms (Between .5 to 1.5). So far its working great nothing has gone wrong and I can now even build the tank without help from Adam. Now here comes the part I'm concerned about. I have 2 Efest IMR 18650 2000 mAh batteries (flat top). I have heard some horror stories of batteries blowing up or melting and I don't want that to happen to me. So my question is, is that an ideal battery to have when using lower ohms and if not what should I use instead? Additionally, is there anything else I should buy to help keep me, and my new baby, safe from anything catastrophic happening? So far it is the best product I have ever used. I'm a Mech Mod guy now and I just want to make sure I am as informed as I can be.

Thanks everyone and happy vaping! :)

Oh! One last question. What exactly is an adjustable center pin? I know I have one in my Magneto but I want to know what it is and does.
 
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WarHawk-AVG

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Jul 27, 2013
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the center pin that contacts the pin inside the head, adjustable means you can screw it in or out to adjust it's height

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See the flat tip screw notch [right image], turn it like a screw it moves the center pin in or out [left image], different heads sometimes have different depths they screw in, if those two pins don't touch, it won't fire and make the vape
 

ZombieJuice

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Nov 12, 2013
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90
Kentucky
An adjustable center pin is exactly what it sounds like. On your RBA (rebuildable atomizer) the 510 connection at the bottom that screws into your mod has a pin in the middle of it that makes electrical connection to your mod. It will have a slot for a screwdriver that allows you to ADJUST the length of it so you can make the connection correctly no matter what mod you use.

There are also many mech mods that have adjustable pins on them as well. Usually you can unscrew the top part where the atomizer goes and adjust the pin on the mod itself up or down. And still others have a floating center pin usually on a telescoping mod. You would screw on your atomizer then put the battery in your mod and tighten it down, the battery will then push up on the pin until it touches the connection on the atomizer allowing for perfect electrical connection.
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Steam Turbine

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May 3, 2013
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The dangers with batteries and unprotected devices like mechs is pulling to many amps from them. When you "over amp" a battery, there's a chance of overheating the battery and an overheated battery can violently release very hot gases, depending on the battery, even flames.

So how do you make sure that doesn't happen...?

Rule number one: Good battery. (High drain IMR)Your Efest are high drain, although cheap and kinda "bleh" to awful performance.


#2: Good intelligent charger. xtar, nitecore and the likes...

#3: Ohm's Law. And by Ohms law I mean Ohm's Law Calculator! Super simple. You just need to know The Amp limit of your particular battery, punch in the resistance of your atomizer and the voltage of your fully charge battery (4.2v) press on calculate and look at the result you get under Current. You want the current or amps to be lower than the amp limit of your battery. If you bust the amp limit build a higher ohm coil.
 

NealBJr

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Jul 27, 2013
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I think others have pretty much answered the center pin question, but I'll add it as well. The center pin is the middle pin that connects to your atomizer. On some CE4/EGO connections, it was a severe issue where the center pin was held in by a rubber grommit. If you screwed your atomizer too tight, it would push the pin into the battery and cause no connections when you had to connect another atomizer. Some companies made the center pin variable by using a spring. On mods, they want a more direct connection, so instead of using a spring, the center pin can be adjusted up and down usually through screw threads. That way, your battery and the center pin have a good connection. since not all batteries are the exact same size, this is a very good feature to have, since 1/2 a milometer could mean the difference between getting vapor or sucking in only air.

What's the best and safest battery? Well, no battery is %100 flawless. IMR is simply a different chemistry in the battery that is generally safer. Notice I said safer, they CAN vent if misused. They have a greater margin of safety than ICR batteries, albeit at a loss of MaH. You still need to know about your coil builds, and still learn about Ohms law. An ohm meter of some sort is a MUST when using mech mods. I don't care how experienced anyone is, failure to use an ohm meter will result in a venting battery eventually.

The best battery? well, again, it depends on how knowlegable you are. you could get a high drain battery that won't be pushed to the limit as easily. 20 or 30 amp batteries are good for that route. OR you could go IMR and rely on safer battery chemistry to lower the chances. either way, make sure you know your battery's limits before trying to do some sub ohm builds.

In short:

1) Get a 20/30 amp battery or IMR
2) use Ohms law to determine what ohm build can match your battery capacity
3) Get an ohm meter and build your coils testing to make sure they are your setting
4) monitor your battery during use. a warm battery is a bad sign.
5) If you know what you're doing, enjoy. don't let this scare you from not trying. Just make sure you do the research first.
 

Esryan91

Full Member
Jan 30, 2014
12
1
Dallas, Tx, USA
Great information guys. This will definitely help me in my battery purchasing decision. I have a few more things I need to buy so I have it in my kit, like a multimeter and intelligent charger. Fortunately my iTaste I used to use can read my ohms pretty accurately so I'm good on that front, for now at least. Thanks everyone for all the great answers. Made me glad I joined the ECF, right off the bat!

Happy Vaping :vapor:
 

Esryan91

Full Member
Jan 30, 2014
12
1
Dallas, Tx, USA
Great information guys. This will definitely help me in my battery purchasing decision. I have a few more things I need to buy so I have it in my kit, like a multimeter and intelligent charger. Fortunately my iTaste I used to use can read my ohms pretty accurately so I'm good on that front, for now at least. Thanks everyone for all the great answers. Made me glad I joined the ECF, right off the bat!

Happy Vaping :vapor:
 

DrillRX

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ECF Veteran
Verified Member
Apr 17, 2013
381
241
California, USA
Great information guys. This will definitely help me in my battery purchasing decision. I have a few more things I need to buy so I have it in my kit, like a multimeter and intelligent charger. Fortunately my iTaste I used to use can read my ohms pretty accurately so I'm good on that front, for now at least. Thanks everyone for all the great answers. Made me glad I joined the ECF, right off the bat!

Happy Vaping :vapor:

Posted before but here it is again

4 Sony US18650vtc4 batteries with a nitecore i4 charger @ Jetbatteries.com for around 47 dollars.

Best deal I have found so far and SUPER quick shipping.
 

dice57

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Sep 1, 2013
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I use mainly 30 amp continuous rated 18650 imr high drain batteries on my mech mods. The sony VTC4 or the new Efest purple are both great choices. Also have a couple Sony 26650 50 amp batteries for my Big Nasty mech mod.

Sure, you might not need such a high amp rated battery with your current build, but there is nothing wrong with having a large amp buffer, and if you decide to go low, you have the battery that you need.

Do the homework, their are many threads on batteries and mechanical mod knowledge. Basically, if you have to ask, well, you haven't done your homework and probably getting ahead of your skill level. All the information you need to know is on this forum, many links have already been provided. Now that you have a high enough post count, you can post in the more advanced user areas.

In all things vape, safety should be the first priority. Knowledge is power, lack of knowledge can lead to a powerful altercation .:evil:

Vape long and Prosper.
 

DrillRX

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ECF Veteran
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Apr 17, 2013
381
241
California, USA
I use mainly 30 amp continuous rated 18650 imr high drain batteries on my mech mods. The sony VTC4 or the new Efest purple are both great choices. Also have a couple Sony 26650 50 amp batteries for my Big Nasty mech mod.

Sure, you might not need such a high amp rated battery with your current build, but there is nothing wrong with having a large amp buffer, and if you decide to go low, you have the battery that you need.

Do the homework, their are many threads on batteries and mechanical mod knowledge. Basically, if you have to ask, well, you haven't done your homework and probably getting ahead of your skill level. All the information you need to know is on this forum, many links have already been provided. Now that you have a high enough post count, you can post in the more advanced user areas.

In all things vape, safety should be the first priority. Knowledge is power, lack of knowledge can lead to a powerful altercation .:evil:

Vape long and Prosper.

Curious where you got your 26650 batts? My Big Nasty is on its way.
 
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