Vaping time on LiPO4 CR2's?

[Barefoot Joe]

I'm about to push the button (pun intended) and order a SS. Reading the forums about batteries, I think I would prefer to get the LiPO4 CR2's rather than the unprotected ones. It looks like the trade off for safety is mAh's, which usually translates into how often you have to change batteries. So, my question is, how long can you vape with the LiPO4's before having to switch out batteries? I'm looking to get specific times for LiPO4's on a SS at 6V. If anyone uses the unprotected CR2's, that info may be helpful for comparison though. Thanks!

 

[forcedfuel50]

I don't know if enough people have run those cr2 lifepo4's to compare them to the lion Cr2's. Some question whether those lifepo4's really aren't lion and question the quality of them as someone just had one go pop on them.

 

[katnbrian]

hope they dont go 8-oPOP8-o... I have 4 of them waiting for my super six if...I mean when it gets here.

 

[T-Hefner]

Yeah, someone had one of those so call lifepo4 go pop. So I'm happy with my ultrafire cr2 800mahs. Reputable company...I think you should just be more aware...if you feel the tube get warm/hot pop the end cap and let it cool...to be safe. Just be more aware when using cr2 bats. Also a good habit to get in...purchase a meter and check the voltage on the bats from time to time. The major problem with running 2 bats is if the bottom or top drains way more then the other...like your top one is 3.2 volts but your bottom one is down to 2.0...uneven power draw...the can be a problem. So by checking them from time to time with a meter you get to see how there doing as far as voltage.

-Tim

 

[Barefoot Joe]

I don't know if enough people have run those cr2 lifepo4's to compare them to the lion Cr2's. Some question whether those lifepo4's really aren't lion and question the quality of them as someone just had one go pop on them.

Yep, I saw that thread and the pics. I'm reconsidering and will probably go with the Ultrafire 800 mAh's. So, let me ask this.....how long between battery changes with the nonprotected CR2's? (I am assuming that the Ultrafires are nonprotected based on the mAh's).

 

[Barefoot Joe]

Double post...sorry.

 

[Pete54]

For what it's worth, I've been using the LiFePo4's for a while now. They last me about 60-90 minutes of heavy vaping. The strange thing is that in everything I've read about LiFePo4's it says/claims that it's extremely difficult for them to go boom, if not impossible. That leads me to 3 possible conclusions.
1) The Excellerator batts are not LiFepo4.
2) The data on LiFepo4's is wrong.
3) This event didn't happen with those batts.

Since I believe that this incident is true (just because innocent till proven guilty), that leaves the first 2 conclusions. Since I doubt that all the research done on this chemistry is false, it leaves me with the first conclusion. It will be interesting to see if there are any incidents with the Tenergy 750mAh LiFepo4's in the future. For now, I'll continue using them (carefully).

 

[T-Hefner]

Joe,
I get around 3-5 hours of vaping on the ultrafire cr2 800mah unprotected...I could push it but I choose not to, I always recharge before I have too... Like I said above, it wouldn't be a bad Idea to invest in a cheap electrical multimeter...you can pick some of them up for 40-50 bucks....just an idea...

-Tim

 

[pipes1]

If you are only using the multimeter for checking batteries, you can find digitals for under $10.00 at Harbor Freight. (Sometimes on sale for around $4.00.)

I do recommend going with a digital display as the analogs don't offer the same resolution.

Bob

 

[Barefoot Joe]

Thanks guys...
I have a multimeter already. I deleted the post accidentally where I stated that. When you check the batteries for voltage, do you check them just after charging, after use, or both? I've always checked them right after charging, but if they discharge at greatly different rates, maybe that is not telling me what I need to know.

 

[DaMulta]

For what it's worth, I've been using the LiFePo4's for a while now. They last me about 60-90 minutes of heavy vaping. The strange thing is that in everything I've read about LiFePo4's it says/claims that it's extremely difficult for them to go boom, if not impossible. That leads me to 3 possible conclusions.
1) The Excellerator batts are not LiFepo4.
2) The data on LiFepo4's is wrong.
3) This event didn't happen with those batts.

Since I believe that this incident is true (just because innocent till proven guilty), that leaves the first 2 conclusions. Since I doubt that all the research done on this chemistry is false, it leaves me with the first conclusion. It will be interesting to see if there are any incidents with the Tenergy 750mAh LiFepo4's in the future. For now, I'll continue using them (carefully).

Zofry had a tenergy 750mah cr123a lifep04 go pop on him. I think the person it happened too had one battery not charged, and was not pulling the spring down perfectly. One full charged batter with one dead battery.

I've charged mine time and time again, and vaped them till they were dead over and over again. I have also dead sorted them, and nothing bad happened.

All batteries can go boom is the real truth.

 

[KonaNeil]

I have one pair of the Summit CR2s. With an HV 801 atomizer they last me around 3 hours. Its disturbing that when they finally do peter out, one will still measure over 3v while the other will be down around 2.4v. Does anyone else have this experience?

 

[RsL]

I have one pair of the Summit CR2s. With an HV 801 atomizer they last me around 3 hours. Its disturbing that when they finally do peter out, one will still measure over 3v while the other will be down around 2.4v. Does anyone else have this experience?

The CR2 LifePO4 bats I got from Summit are good at discharging at the same rate, so I would be concerned if I was seeing the same results as you.

 

[Barefoot Joe]

I have one pair of the Summit CR2s. With an HV 801 atomizer they last me around 3 hours. Its disturbing that when they finally do peter out, one will still measure over 3v while the other will be down around 2.4v. Does anyone else have this experience?

From my limited knowledge, I think I'd chuck the one that has the 2.4 volt reading.

 

[jeffcmfrt]

In general what I do with all my batteries is pair them up get a multimeter.If you have six CR2 batteries check the voltage with fresh charge then after a couple of hours of use and compare do this with all 6 and then pair them to the closest matching voltage. This is good for 2 important reasons. 1 batery in a dual batery charger not equiped with seperate chanels may be chargeing quicker then the other causeing 1 batery to overcharge! (Not Good!) When batteries ar in use and one drains quicker then the other you will have 2 different voltages this is what causes them to heat up and the posibility of failur or worse it makes them go pop!

Just use common sense and pay attention! It is also important Inspect your batteries before putting them in your charger or unit!

If you feel your unit geting warm the worst thing you can do is ignore it! If you pair up your batteries to closest voltages and chargeing times and inspect your batteries before you put them in your charger or unit it greatly reduceses your risk and chances are you will never have a issue. If you suspect a battery not working proper not lasting as long as it should toss it. Just out of habit I have my protected 123 bateries paired up and I inspect before I put them in my charger or a device.

Best wishes

Ok back to waiting what order # are we on!....Can't wait to get that S6 in hand or just know it's on it way.....

 

[KonaNeil]

From my limited knowledge, I think I'd chuck the one that has the 2.4 volt reading.

Thanks. Summit's sending me a replacement pair.

BTW: they just heard about the buzz, good and bad on our forum and they're concerned. They are contacting the battery factory in China for more info and have taken the batteries off their site even though the party with the blowup hasn't contacted them.

They are a small family company (mom, dad and the adult kids) and appear very conscientious.

 

[martha1014]

I thought the battery were suppose to last at least 24 hours on a mod. Is the Super T6 different. I know on the chuck they last this long. Is the Cr2 different from the CR123 l6340 in the length of time they last.

 

[T-Hefner]

Joe,
Basically you want EVEN discharge across the 2 cr2 batteries. So You want to check them somewhere in your vape cycle on that set of batteries. You want to make sure there even if not real close. Lets say the top one of 3.3volts and the bottom is 3.2volts. Your good. But the problem lies when the top one is at 3.4volts and the bottom is taking the hit and is at 2.4volts ... and continuing to discharge like that ...you can have a problem. So I like to check mine here and there after vaping on them for a bit...just to be safe...

 

[KonaNeil]

Joe,
Basically you want EVEN discharge across the 2 cr2 batteries. So You want to check them somewhere in your vape cycle on that set of batteries. You want to make sure there even if not real close. Lets say the top one of 3.3volts and the bottom is 3.2volts. Your good. But the problem lies when the top one is at 3.4volts and the bottom is taking the hit and is at 2.4volts ... and continuing to discharge like that ...you can have a problem. So I like to check mine here and there after vaping on them for a bit...just to be safe...

Thank you. I have checked at different points through the cycle. What's weird here is that the two batteries will track identically until the end and then one will nose-dive. Also, fresh off the charger, one will be a bit high, around 3.56v while the other is 3.47v. If I then let them sit for 20 minutes, the high one will come down and match the lower one, usually at 3.46.

It may be that mine are nonstandard or it may be that we need to get used to the characteristics of LifePo4s and that they're not much like Li Ion.

 

[Barefoot Joe]

This is a little off topic, but I can't seem to order the 800 mAh batteries and charger from DX or another China company, as my PayPal will not process. Does anyone know of a US based company that sells these items (the CR2 unprotected and the wall charger)?

Never mind...it was a problem with one of my credit cards. Batteries are on the way.