Q&A: what is the best way to charge a li-ion battery?

Question by Chase: what is the best way to charge a li-ion battery?
I am wondering if it is better to charge a lithium ion battery for cell phones, e-cigs, and stuff like that directly from the wall, surge protector, or an extension cord. I want to maximize my battery life with my devices and be sure I am charging them appropriately. Thank you in advance…
@Magy thanks but that doesn’t really answer my question… It’s pertaining toward my iphone and V2 e-cig which both have chargers they come with. Do the chargers regulate the charge current so the battery does not fry? Is it better to plug directly into the wall or not?

Best answer:

Answer by Magy
li-ion cells have their own circuits, but it’s used only for protection in case of short circuit or over charging. (in both case cell could explode and/or burn)
li-ion battery have 3.7V per cell, which is nominal. fully charged is 4.2V. below 2.7V is considered as permanent damage of battery due too low voltage. under this voltage began changes on chemical level, what cause permanent damage of cell.
also in case higher voltage than 4.2V. for this reason there is protection circuit (or at least should be), but this circuit is not omnipotent.
common li-ion cell can be charged by 1/10-3/10C current without worried about lifetime or condition.
1/10C charge current mean, if your battery have capacity 1500mA, current is 150mA. And again, max. voltage is 4.2V.
While cell become more and more charged, it’s resistance raise and charging current dropping. that’s why charging last 20% can take more time, than previous 80%.
Sometimes is possible charge battery with 1C or more, but in that case cell have to be maded for such charging current, MUST be watched for temperature and cooled down.
on ebay you can buy charger for li-ion batteries.
they have 3.7V (or multiple of this amount – 7.4, 14.8…) as nominal voltage and 4.2V (or multiple of that) as max. charging voltage.
DO NOT USE USB source for charging!!! It have 5V and that’s too much. You will only destroy battery and probably something else.

maximize lifetime – try to not discharge battery more than 20-30% of capacity. anything above is considered as one cycle and li-ion batteries have limited cycle lifetime. (200-500 depend of model).
also is good to store unused battery in dry cold environment and not charged to 100%. better is to keep around 85%, which is level of inner ballance.

I checked V2 e-cig and research some information about bundled charger.
it’s common wall charger with usb output. there is nothig special about it.
the key part is bundled usb cable with built-in controlling logic circuits and special connector for e-cig. in this case, there is no important wall charger itself, but exactly that cable with usb connector on one end and special connector for e-cig on another end. you can plug it to any USB port, logic components inside cable will manage maximum current for charging e-cig.
so answer for your question is: don’t worry, you’ll not fry your battery, whatever you use bundled wall charger or plug cord to computer usb port. only important thing is do not use different cable for charging e-cig than bundled. that’s all.
iphone have sophisticated charging logics and circuits inside itself, so there is no matter, what usb port you’ll use or what cable. while it have proper designed connector on cable, iphone itself will manage maximum current for charging.
hope it will help. <img src="http://ecigfortmyers.com/wp-content/plugins/wp-o-matic/cache/7f1fa17d0a_icon-wink.gif” alt=”;)” class=”wp-smiley” />

What do you think? Answer below!

ego kit and xvape kit giveaway – by: 99mitsubishi

the company i get all my stuff from now is having a giveaway. for only regestering fully on the website they are giving away an ego 650 kit. zipper case. 2 650 batteries, 2 ce4 tanks, neddle bottle, charger and a 10ml bottle of juice. should you decide to make a purchase, you are entered to win an xvape kit. mod tube, 3 batteries, charger, vivi nova tank, and a 30ml bottle of juice (when you see it, you’ll know what it is) Along with the great prices on vaping stuff, all existing customers get buy 2 get 1 free e <a href="http://www.vapininthecape.com/eliquid_c_7.html”>liquid, so, you can get 90ml for only $26 in 3 different flavors if you want….the best part…FREE SHIPPING ON EVERYTHING. The best customer service is a huge plus. website is [url=http://510ego.com]510ego.​com[/url]

New Investigational “Liquid Cigarette” Smoke Cessation Product Achieves 71 Percent Quit Rate

<img style="float:left;margin: 0 20px 10px 0;" src="http://ecigfortmyers.com/wp-content/plugins/wp-o-matic/cache/7f1fa17d0a_e6deb-e-cigarette-free-trial-gI-SmokeBreakproduct-JPG.jpg” />
Milwaukee, WI (PRWEB) September 26, 2008

Several months ago, 52 smokers embarked on an FDA-approved, 12-week clinical study of a new smoke-cessation device called Smoke-Break. The results of the study were released today with 71 percent of the study participants smoke-free after 12 weeks.

Smoke-Break is a “<a href="http://www.vapininthecape.com/eliquid_c_7.html”>liquid nicotine cigarette” that resembles an unlit cigarette in size and shape. The clear tube contains a cherry-flavored gel along with 1.5 milligrams of nicotine, about as much as in a light cigarette. Users consume the <a href="http://www.vapininthecape.com/eliquid_c_7.html”>liquid by lifting the tube to their mouths, and sipping through a mouthpiece, much like they would draw on a cigarette.

Approved by the FDA for clinical study in 2007, the study sought to determine whether Smoke-Break would help smokers stop smoking, while avoiding the side effects seen in other smoke-cessation products. The answer is yes, and that’s promising news to study sponsor Dr. Carl E. Olson, Chairman of the Radiation Oncology Department at Columbia St. Mary’s in Milwaukee.

“There were no serious adverse events during the study,” Dr. Olson said, “and only a few minor events, such as sore throat or heartburn. The real surprise for me was the rate of smoke cessation. It is unprecedented.”

Smoke-Break inventor Brett J. Roth created Smoke-Break in 2004 to kick his own two-pack-per-day habit. Roth hopes that Smoke-Break will soon be able to help smokers nationwide, now that his invention has shattered the previous record for an FDA clinical study, set by Chantix, which achieved a 44 percent quit rate after 12 weeks. Chantix, however, has recently been scrutinized for a number of potentially dangerous side effects.

“I’m happy with the results,” stated Roth, “but I’m most excited for the participants, many of whom have expressed gratitude at finally being able to kick this deadly habit.”

Roth and Dr. Olson were joined by Study Coordinator and nurse Deb Baumgarten, and Principal Investigator Dr. Nicholas Geimer, another cancer specialist. “I don’t think we’re doing our jobs as clinicians,” Dr. Olson said, “unless we try to prevent cancer in the first place.”

According to the U.S. Department of Health and Human Services Centers for Disease Control (CDC), more than 400,000 individuals in the U.S. die each year, prematurely, as a result of smoking. Thousands more are negatively afflicted with various respiratory and other smoke-related illnesses.

For more information about Smoke-Break, visit <a href="http://www.vapininthecape.com/eliquid_c_7.html”>liquidcigarette.com. Additional information can be found at http://www.ClinicalTrials.gov, by searching “Smoke-Break.”

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General Vaping Discussion • Re: Ego Bat to E VIC: Got Lucky

more e vic reflections…
have played around with the VV and VW…seems w/my 2ohm the 4.0 and 7.9 watts works best.

i have to admit, the flavor isn’t as good…clearly a more powerful device with tons of bells and whistles,
but my apple jax isn’t popping like it used to. i have had slight dry hits…i am keeping it between 3.8-4.2 v
I am all about throat hit and flavor.

i dont know the tank, but it has a twisty tip…the guy who gave it to me loved it over the T3. I want to get
some of those extensions and try my T3 on this thing.

interesting observation…all the guys that work at this shop (young) all vape FAST…draw in quick release, repeat 3-5x
I go for long draws…deeper throat hit and release.

Thots on this?

Statistics: Posted by <a href="http://www.ecigadvanced.com/forums/memberlist.php?mode=viewprofile&u=255″>Pocketplayer — Sun Aug 25, 2013 11:14 pm