Great Battery Info???

[pupmastermp3]

I see things like 18650, 16340, 123, 123A, 14500 and 10440, 3.7volt, 2200mAh. What does the 18650 represent? What does 3.7v do vs. 6v? 2300, 2600, 2900mAh affects what? Is there a great post with info on the different tyes, sizes and power of batteries here in the ECF? Or maybe a good tutorial/video "All about batteries"?

 

[dormouse]

This is my moderate understanding...

Normal slim cylindrical e-cigarette batteries are usually around 3.7 volt. Bigger batteries and high-power mods sometimes use higher voltage batteries. Higher voltage batteries I think can provide a bigger hit (the juiced up cars and monster trucks of ecigs).

The mah is how much charge the battery holds. Normal slim e-cigarette batteries run from a short life of 150-180mah to the 380mah of the xl KR808D-1 battery. The fat-battery models instead have amounts like 750mah-1300mah (much longer battery charge life). A 180mah battery will last 1-2 hours if vaped constantly, 2-3 if vaped moderately, 3-4+ if vaped more sparingly. The 750-1300mah batteries are sometimes used with LR atomizers which burn power more quickly but still might off 6-8 hours of charge even if vaped a lot, and some people claim more than a 24-hour charge.

 

[pupmastermp3]

Great info Dormouse! Thank you.

 

[pupmastermp3]

Found this article which is interesting tech. <http://electronics.howstuffworks.com/lithium-ion-battery.htm> 14 January 2011.

 

[WomanOfHeart]

This is a fun little article from one of my favorite vendors.

Everything There Is To Know About AW Batteries

 

[Brewlady]

This is a fun little article from one of my favorite vendors.

Everything There Is To Know About AW Batteries

Thanks for posting this, I've bookmarked it.

 

[Papa Lazarou]

These are covered to an extent in this thread in the library about mods - http://www.e-cigarette-forum.com/fo...5-wonderful-world-mods-illustrated-guide.html There's certainly more info out there though. This link is also good if you want to learn about batteries in general - Battery information from Battery University This is also a good thread - http://www.e-cigarette-forum.com/forum/battery-issues/8852-li-ion-batteries-truth.html

E-cigs generally use lithium ion batteries, which have a nominal voltage of 3.7v. Some 3v batteries are also available, and when two 3v batteries are run in series (stacked), this results in 6v.

Where you have a size like 14500, 14650, 18650 etc. what this is referring to is the dimension of the battery. Take a 14500, this is physically the same size as a AA battery (but note we do not use AA batteries generally, they are too low voltage). The first two digits, 14, refers to the diameter in millimetres. The second part, 500 refers to the length in mm. Therefore a 14500 battery should be 14mm diameter x 50.0mm long.

CR2 and CR123 are standard battery sizes like AA. They are lithium batteries commonly used in cameras, and they are 3v batteries. A 3.7v battery that was the same size as a CR123 would normally not be called a CR123, it would be a 16340.

mah = milliamp hours. It does indeed describe how much charge the battery holds. A 2000 mah battery can in theory support a continuous 2000 milliamp (or 2 amp) load for 1 hour before it's drained. Or a 1 amp load for 2 hours. The higher the mah, the longer the battery lasts between charges. Something to note though is that some battery manufacturers are very optimistic in their mah ratings..

 

[pupmastermp3]

@Papa Lazarou - Thanks for that easy to understand explanation.
@WomanOfHeart- Great link. I found it very informative.