State O Flux was far gentler than I was going to be on the original poster. Nice job on the restraint.
The feeling on this forum is that certain knowledge should be known before you attempt advanced practices like sub-ohm rebuildables. There is no way for us to know how experienced of a vaper you really are (you didn't say), but when your first post on the forum concerns basic elementary knowledge which pertains to what is considered advanced and potentially very dangerous practices, we get a little bent out of shape. Red flags begin to wave in our heads.
Not only are we concerned for you as an individual vaper, but also concerned about the negative publicity an unfortunate accident would create for the entire vaping community; we get enough bad press already and needlessly because of misinformation from the media. Sub-ohm vaping can be highly dangerous if you don't really know what you are doing. I find it very odd that you have the sophistication of using quad sub-ohm coils yet are asking what I would consider basic elementary questions about battery specifications.
This is why State O Flux asked his questions about your setup and to determine if you are knowledgeable enough to be running the setup you described. Having said that, we welcome your questions. Our primary goal is to educate fellow vapers, and for them to be able to vape safely with no harm to themselves or others.
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The
mAh rating is an attempt to make an estimate about how long a battery will last on a charge. Manufacturers of batteries come up with this rating, which may or may not be accurate as they can list any number they wish. Some manufacturers are known to over-state their mAh ratings as an advertising ploy to make their batteries seem better than their competitors.
In layman's terms, 100 mAh = 1 hour battery use. 2000 mAh is roughly 20 hours battery time. 2600 mAh is roughly 26 hours battery time. Of course, actual battery time is dependent upon many factors: ie the load on the battery and the frequency of use.
The most important specification of a battery, in terms of how we use the specification in sub-ohm vaping, is the
amps in continuous discharge rating. When you make a coil and measure its ohm rating (resistance rating), you must use the
Ohm's Law Calculator to be certain that the coil will not drain more amps (current) than the battery's amps in continuous discharge. You should already know your battery's amp rating specification even before attempting sub-ohm building. A coil which will pull more amps than the battery has can result in things like angry hissing mods to missing fingers and teeth, if you get my drift. If you value your face and hands...
Deeper Understanding of Mod Batteries
http://www.e-cigarette-forum.com/forum/batteries-chargers/546143-batteries-chargers-multi-meters-forum.html