are these good batteries or not? someone told me to stay away from any battery containing the name fire in it.why?
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Ultrafire batterys??
- Thread starter Brian Riggle
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I would not purchase them. They are not safe chemistry high drain batteries. Not suitable For safe vaping. I have seen post of them blown up... Efest imr are as cheap as I would go. The battery is the heart of your mod you don't want some Cheap low drain battery going in there. Avoiding fire is a Good rule of thumb. 
I agree with jeremyR. AW IMR, CGRxxxxxCH and NCRxxxxxPF are all safe chemistry and all I use now.
Agree with the above from Jeremy and tmcase. Some batteries are safer than others for the demands of advanced vaping. The best batteries are batteries that are capable of high drain and have a safer kind of chemistry. An example of the safer kind is AW IMR, or EFest IMR - these are Li-Mn batteries. These safer batteries are not likely to explode in use. If they do overheat or short they should vent gas rather than just exploding in your hand or face, giving time to put them in a safe place away from you or anything combustible. Ultrafire batteries are not designed for the demands vapers put on batteries. We are putting devices up to our faces several times a day, so the safer the battery the better for us.
Was given some good advise a while back. Do NOT buy any battery with FIRE in the name. Ultrafire has a bad record of repackaging batteries and putting false info on the new shrink cover. They have been caught using recycled laptop batteries in this scheme. Ultrafire in my opinion is the worst battery out there. Like they say if it seems to good to be true it probably is.
I've tried Ultrafire's and Trustfire's in the past and the best I can say about them is that they're hit or miss when it comes to quality. I had one set of Trustfire flames 18650's that performed ok, but all the others were simply junk from the start. The Ultrafire's I've tried have all been junk. I now stick with AW li-ions or IMR's depending on the application. And I certainly wouldn't try using Trustfire's or Ultrafire's in a mech mod with sub-ohm coils, that would be asking for disaster.
Where do I start on this one?
In the big picture China is the wild frontier of batteries. Even brand names like TrustFire and UltraFire get faked. That alone leaves you open for safety problems.
They almost always make low drain ICR chemistry batteries. The kind of battery chemistry that can explode in a split second when something is wrong - like a dead short.
These brands are notorious for over stating their actual capacity in mAh. If the battery is a fake the problem is even worse.
IF you can actually get some place to state their max discharge rate, it is seldom over 1.5 C. So you 3400 mAh {blank}Fire battery, already overrated with a real capacity of only 2500 mAh, may only have a maximum discharge rate of 3.57 Amps - if you are lucky. The safe discharge rate of these batteries if you want to push them in a high drain application is a total crap shoot. Most of them don't even have a high enough discharge rate to be used in high drain applications even when you can trust the numbers.
If they have a protection circuit - and they need one - that circuit conflicts with certain APV electronics - like a VAMO - and the APV won't even function.
That's the short list of reasons why you don't want to use them in e-cig applications. Give us a specific models and web site links for specific batteries and we can cite even more.
In the big picture China is the wild frontier of batteries. Even brand names like TrustFire and UltraFire get faked. That alone leaves you open for safety problems.
They almost always make low drain ICR chemistry batteries. The kind of battery chemistry that can explode in a split second when something is wrong - like a dead short.
These brands are notorious for over stating their actual capacity in mAh. If the battery is a fake the problem is even worse.
IF you can actually get some place to state their max discharge rate, it is seldom over 1.5 C. So you 3400 mAh {blank}Fire battery, already overrated with a real capacity of only 2500 mAh, may only have a maximum discharge rate of 3.57 Amps - if you are lucky. The safe discharge rate of these batteries if you want to push them in a high drain application is a total crap shoot. Most of them don't even have a high enough discharge rate to be used in high drain applications even when you can trust the numbers.
If they have a protection circuit - and they need one - that circuit conflicts with certain APV electronics - like a VAMO - and the APV won't even function.
That's the short list of reasons why you don't want to use them in e-cig applications. Give us a specific models and web site links for specific batteries and we can cite even more.
This ^^^. 'xxxxfire' batteries are counterfeited so often I would not even use one in a flashlight. You just don't know what the battery is and when we vape we have one end of the device in our mouth. I have used MNKE, Panasonic and Sony. AW and Samsung are also just as good and I'm probably forgetting a couple more. I also buy from known good suppliers like RTD Vapor, Illumination Supply, Orbtronic and a few more good vape and flashlight shops. After that, a good charger is almost as important.
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