Purple efest 18650 battery warning

[Baditude]

Why would you post the specs for a Panasonic NCR18650BE in an Efest discussion thread? Just FYI, the "E" in is for economy, and that would be the first sign you shouldn't use it in any ecig if you are trying to vape safely...

The purple Efest 3100 mah battery in question in this thread is allegedly a re-branded Panasonic NCR18650BE, that's why.

Not everyone knows that the "E" in the Panasonic stands for economy, I certainly didn't make the connection. Not everyone knows how to pick out good batteries from bad. Many uninformed buyers only pick the battery with the highest mAh rating thinking that battery must be the best. Not everyone understands how important the amp rating and the battery chemistry is when using them in e-cigarette devices.

 

[pnyc]

See the original link in post #1.

https://translate.google.com/transl...=http://www.dampfakkus.de/akkutest.php?id=531

Why would you post the specs for a Panasonic NCR18650BE in an Efest discussion thread? Just FYI, the "E" in is for economy, and that would be the first sign you shouldn't use it in any ecig if you are trying to vape safely...

 

[anumber1]

I agree. Many buy batteries without much thought.

Efest batteries are very well marketed. They are darn near ubiquitous in Vape shops.

Many new vapers buy what is in the shop. Of course the shop is selling Efest most of the time!

 

[muzichead]

The purple Efest 3100 mah battery in question in this thread is allegedly a re-branded Panasonic NCR18650BE, that's why.

Not everyone knows that the "E" in the Panasonic stands for economy, I certainly didn't make the connection. Not everyone knows how to pick out good batteries from bad. Many uninformed buyers only pick the battery with the highest mAh rating thinking that battery must be the best. Not everyone understands how important the amp rating and the battery chemistry is when using them in e-cigarette devices.

See the original link in post #1.

https://translate.google.com/transl...=http://www.dampfakkus.de/akkutest.php?id=531

Sorry, didn't click the link... Will do so next time as not to put my foot in my mouth as I do on occasion...

 

[vapero]

wow if these are 3.6amps I am more afraid of the 18350 I had one runing at .55ohms time to go back to aw. it's a shame as that one was the best fit for my 4nine

 

[Baditude]

wow if these are 3.6amps I am more afraid of the 18350 I had one runing at .55ohms time to go back to aw. it's a shame as that one was the best fit for my 4nine

Keep in mind that the 18350 AW IMR batteries only have a 6 amp continuous discharge rating. 0.8 ohms is the absolute lowest you should go with this battery, and battery life is going to suck.

If you are going to use sub-ohm coil builds, you really should be using only 18650 batteries. The lone exception might be the AW 18490 IMR 1100mah 16.8 amp battery (button top).

Please always vape safe.

 

[zoiDman]

Keep in mind that the 18350 AW IMR batteries only have a 6 amp continuous discharge rating. 0.8 ohms is the absolute lowest you should go with this battery, and battery life is going to suck.

If you are going to use sub-ohm coil builds, you really should be using only 18650 batteries. The lone exception might be the AW 18490 IMR 1100mah 16.8 amp battery (button top).

Please always vape safe.

Couldn't Agree More.

Small 18350 Mods a Cool. But Form Follows Function.

 

[vapero]

Keep in mind that the 18350 AW IMR batteries only have a 6 amp continuous discharge rating. 0.8 ohms is the absolute lowest you should go with this battery, and battery life is going to suck.

If you are going to use sub-ohm coil builds, you really should be using only 18650 batteries. The lone exception might be the AW 18490 IMR 1100mah 16.8 amp battery (button top).

Please always vape safe.

90% of my vaping is in aw 18490s
but got a purple efest 18350 just to go lower on that size... I knew it was too good to be true

 

[SINphul]

Thanks for the heads up. Was about to buy the purple Efest 18350s. Good ol' AW it is then.

 

[Froth]

wow if these are 3.6amps I am more afraid of the 18350 I had one runing at .55ohms time to go back to aw. it's a shame as that one was the best fit for my 4nine

that Efest Purple 18350 700mah is THE best high drain IMR option in 18350 size in my opinion, keep using it!

Thanks for the heads up. Was about to buy the purple Efest 18350s. Good ol' AW it is then.

Please don't discount the 18350 battery because one of the 18650 models is getting a bad rap, that simply doesn't make sense to me. The 18350 Efest Purple 700mah has been tested to 10.5A and passed, it can sustain 10.5A...

Test/Review of Efest IMR18350 700mAh (Purple) 2014

This cell has very impressive high current capability, but do not get it if you want a lot of capacity.
It looks like a good cell.

I own two of the flat top purple 18350's and have built numerous .45 to .55 ohm coils on them and they don't even get close to warm even during a 10+ second discharge.

 

[MikeE3]

Thanks for posting the info on the purple 18350s. Was thinking on getting some of them.

 

[zoiDman]

that Efest Purple 18350 700mah is THE best high drain IMR option in 18350 size in my opinion, keep using it!


Please don't discount the 18350 battery because one of the 18650 models is getting a bad rap, that simply doesn't make sense to me. The 18350 Efest Purple 700mah has been tested to 10.5A and passed, it can sustain 10.5A...

Test/Review of Efest IMR18350 700mAh (Purple) 2014

I own two of the flat top purple 18350's and have built numerous .45 to .55 ohm coils on them and they don't even get close to warm even during a 10+ second discharge.

One thing a Reader of a Battery Test Result has to keep in mind is that this is Not the Results of "the Battery". But of "a Battery".

One has to have a Certain amount of Faith that the Battery that they are Holding in their Hand is the Exact Same Battery as the One that was Tested.

And that is why I said Earlier that this Entire Efest Issue is Troubling at Best. Because I don't have the Equipment Needed to Test the Batter in my Hand. But have to Take It On Faith that what I read applies to mine.

And after reading something Like the OP's Post, I have a Lot of Questions.

 

[pnyc]

I agree. Battery to battery consistency is very important.

 

[zoiDman]

I agree. Battery to battery consistency is very important.

It's kinda Everything.

If I read a Review for a New Battery that just came out, and the Review says it is a 35A Continuous Battery, I want to believe that when I go to buy the Battery 2 or 3 Months (or Years) later, that it still has the Specs.

If it Doesn't, then Reviews become Meaningless.

 

[Baditude]

I agree. Battery to battery consistency is very important.

And THIS is why the AW brand is so popular and highly regarded in the battery market. Each individual battery cell is run through a series of tests. Only the top tier of tested batteries get the red wrapper and AW sticker. These are the most consistant batteries available on the market IMHO.

What does AW do with their rejects? Sell them to Efest?

 

[Despraci]

I just unwrapped the one 3100mah efest I had. There was no marking under the wrapper, the top of the wrapper was dented in already from being In a battery box In a cana mod. So even under the slightest pressure the top of the battery caved in. It's the same top as the Panasonic and appears to have the protection circuit.

Without distinguishing markings it's hard to say, but the test are pretty conclusive.

 

[Funk Dracula]

This is very disturbing news indeed.

 

[DaveP]

I just bought two of the purple Efest 2500mah batteries yesterday. 35A is something I'd never come anywhere close to with my 3.5A Provari cutoff. I bought them for the 2500mah rating. After a charge I installed the first one and it ran from mid afternoon yesterday until about 2:00 pm today. I swapped it after it reached 3.5v. That's almost 24 clock hours with some reserve time down to the 3.2v Provari cutoff.

Mislabeling is dangerous for those who depend on high amp draw ratings. The LG ratings, if accurate, place it exactly even with my AW 18650 batts. If the LG ratings are accurate, I'm happy with my purchase for the application I use it in.

Those who depend on the 35A spec for mechs obviously should avoid them.

 

[DaveP]

Here's a candlepower forum performance test with discharge graphs. It got above average ratings. The 35A spec is listed as Max, not continuous.

Test/Review of Efest IMR18650 2500mAh (Purple) 2014

The chart at the link in post one shows AW 2000mah batteries with a max limit of 10A. We know these batteries to be rated at 10C, which would put them at a 20A continuous rating. Now, I find on further study that depending on the source, the maximum discharge rate for the AW 18650 2000mah to be listed a 6A and 10A.

Now, I wonder who is right and where the tests are done.

 

[anumber1]

Here's a candlepower forum performance test with discharge graphs. It got above average ratings. The 35A spec is listed as Max, not continuous.

Test/Review of Efest IMR18650 2500mAh (Purple) 2014

The chart at the link in post one shows AW 2000mah batteries with a max limit of 10A. We know these batteries to be rated at 10C, which would put them at a 20A continuous rating. Now, I find on further study that depending on the source, the maximum discharge rate for the AW 18650 2000mah to be listed a 6A and 10A.

Now, I wonder who is right and where the tests are done.

I would rather see a cell rated conservatively and be able to trust the ratings rather than trust inflated, overstated ratings used more for marketing.