What is a High Drain Battery....??? I am looking to buy CR123 3.0 Volt batteries for 6v vaping... I have found a bunch of CR123 High Drain batteries 3.7v... If I am correct that would be 7.4v Total... Help me out here... I have been using the Tenergy 3.0 CR123 for almost a year but need new ones and don't know what to get... What is the advantage of High Drain Batts and Where is the best place to get them....
Quick Question on High Drain Batteries
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Please take a look at this page:
http://www.e-cigarette-forum.com/forum/ecf-library/129569-rechargeable-batteries.html
If you want the best / safest batteries then AW Li-Mn's are the way to go, assuming they fit your ecig. For example:
AW IMR16340 550 mAh IMR CR123 size LiMN Rechargeable Lithium Battery
However these are 3.6v cells, some CR123's are 3.0v and if this is what your ecig takes then you might need to go with Li-FePo4's, which are 3v cells:
AW LiFePO4 3 Volt Lithium Rechargeable Battery
The next option would be a high-quality protected Li-ion like a Pila:
Buy Pila 300S Li-ion battery, 1000mAh - 2 pack | Pila 300S
http://www.e-cigarette-forum.com/forum/ecf-library/129569-rechargeable-batteries.html
If you want the best / safest batteries then AW Li-Mn's are the way to go, assuming they fit your ecig. For example:
AW IMR16340 550 mAh IMR CR123 size LiMN Rechargeable Lithium Battery
However these are 3.6v cells, some CR123's are 3.0v and if this is what your ecig takes then you might need to go with Li-FePo4's, which are 3v cells:
AW LiFePO4 3 Volt Lithium Rechargeable Battery
The next option would be a high-quality protected Li-ion like a Pila:
Buy Pila 300S Li-ion battery, 1000mAh - 2 pack | Pila 300S
I just want to echo what roly said..
high drain is just that... a different battery chemistry like LiMN that has a lower internal resistance thus giving it a higher max drain rate...
the tenergy batteries to me are problematic because they have a very low max drain rate so they really are overstressed...
but you're mostly correct that yes the high drain LiMN batteries wou,d add up to 7.4V nominal... (the 3V LiFePo4 actually go up to 7.2V peak and the 3.7V up to 8.4V)
that's neither here nor there though...
I'd favor the AW LiFePo4 that Roly linked ... but wanted to stress that an appropriate charger is nessicary (one that has a 3V setting like the ultrafire WF-138A )
high drain is just that... a different battery chemistry like LiMN that has a lower internal resistance thus giving it a higher max drain rate...
the tenergy batteries to me are problematic because they have a very low max drain rate so they really are overstressed...
but you're mostly correct that yes the high drain LiMN batteries wou,d add up to 7.4V nominal... (the 3V LiFePo4 actually go up to 7.2V peak and the 3.7V up to 8.4V)
that's neither here nor there though...
I'd favor the AW LiFePo4 that Roly linked ... but wanted to stress that an appropriate charger is nessicary (one that has a 3V setting like the ultrafire WF-138A )
I've used the same two plain old Tenergy 3.0 volt in my Prodigy for 8 months now with no problems. They've probably been through 200 charge cycles and they still work great.
Roly pretty much nailed it for background info so you can make a choice, below is a excerpt from here WARNING: Battery Information! for comprehensive info on ecig batteries.
The highest C rating battery is a LiFePO4 (lithium ferrous phosphate) is 10C which means for a 1000mAh battery they van supply 10 amps without damage to the battery, but the only run at 3V and require a special charger that doesnt push too much voltage at it.
LiFePO4 rechargeables
These lithium ferrous phosphate batteries have a safe chemistry. LifePO4 is a newer technology and more expensive than Li-ion. This is a safe technology and they don't need any protection. AW batteries make these, and they are a very good choice as they are capable of taking the high load of an e-cig. They come in the same form-factor as the Li-ions used in ecig mods and are an excellent substitute, preferable in all ways except for the cost - however, note the caution below. Notes:
- Do not connect in parallel.
- 2 cells max in series.
- Very long service life of 1,000 charges, under ideal conditions.
- No memory effect.
- Discharge rate is 10C+ so they will certainly power atomizers effectively - but short-circuits need to be guarded against. The 26650 cell for example can put out 70 amps in a dead short.
- Fast recharge.
- Nominal voltage (type 1 eg CR123 format) = 3.0 - 3.3v, min. discharge v = 2.8v, max. charge voltage = 3.6v; nominal voltage (type 2 eg AW 14500)= 3.6v.
- Needs a special charger - different for the two types.
AW LiFePO4's are reported as being the best. They have a much higher discharge rate than Tenergy ones for example - the small Tenergy cells may not be up to the job
The highest C rating battery is a LiFePO4 (lithium ferrous phosphate) is 10C which means for a 1000mAh battery they van supply 10 amps without damage to the battery, but the only run at 3V and require a special charger that doesnt push too much voltage at it.
LiFePO4 rechargeables
These lithium ferrous phosphate batteries have a safe chemistry. LifePO4 is a newer technology and more expensive than Li-ion. This is a safe technology and they don't need any protection. AW batteries make these, and they are a very good choice as they are capable of taking the high load of an e-cig. They come in the same form-factor as the Li-ions used in ecig mods and are an excellent substitute, preferable in all ways except for the cost - however, note the caution below. Notes:
- Do not connect in parallel.
- 2 cells max in series.
- Very long service life of 1,000 charges, under ideal conditions.
- No memory effect.
- Discharge rate is 10C+ so they will certainly power atomizers effectively - but short-circuits need to be guarded against. The 26650 cell for example can put out 70 amps in a dead short.
- Fast recharge.
- Nominal voltage (type 1 eg CR123 format) = 3.0 - 3.3v, min. discharge v = 2.8v, max. charge voltage = 3.6v; nominal voltage (type 2 eg AW 14500)= 3.6v.
- Needs a special charger - different for the two types.
AW LiFePO4's are reported as being the best. They have a much higher discharge rate than Tenergy ones for example - the small Tenergy cells may not be up to the job
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Maast,
It looks like you are not aware that the link you gave to another website is just a direct reprint of the ECF battery info pages. It took several months' work to get that together and it would be nice to get some appreciation for it. Several members here contributed.
In addition our info pages are probably more useful to ecig users than the usually-quoted reference Battery University, since ours are more relevant; and although BU has some good information, many pages are out of date, much useful info is missing, and some vital safety info is missing.
It looks like you are not aware that the link you gave to another website is just a direct reprint of the ECF battery info pages. It took several months' work to get that together and it would be nice to get some appreciation for it. Several members here contributed.
In addition our info pages are probably more useful to ecig users than the usually-quoted reference Battery University, since ours are more relevant; and although BU has some good information, many pages are out of date, much useful info is missing, and some vital safety info is missing.
Thanks Rolygate, I didnt know that, I'd found that other page just through google when I got to thinking about modding my 510 mega batteries with LiFePO4 batteries.
I just poked through our library and there's really a lot of good info in there - heck of a job!
I'm still going to mod my batteries, but now I'm going to use the Ego formfactor and a buck/boost DC-DC converter so I can use a standard charger. I can't find a schematic of a small enough converter yet though, still looking.
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