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I use two Efest 18350/800mah, stacked, and get about 3ml, a day and then some, out of them before needing to recharge them. Are you using them stacked or in "shorty" mode? Of course, the higher the power you're vaping at will also effect battery life significantly.
My efest v2 18650s ran about a day and a half to 2 days and about 3 - 6mls of juice at 8.5 watts with standard res. cartos, the 350's ran about 8 hours. but that was when I was on 18mg of nic and wouldn't vape constantly. haven't used the vamo in a month or two, so my numbers may be a little hazy. but to my recollection that's what it did for me. if I put my vamo up to what I vape now, with 6mg juice and as constant as i use it, i'd say the 650s would last me about a day.
So right now, my 18650's last a bit more than 24 hours, I vape about 6 ml on one charge if not a bit more.
I fill when i get off work, I find that I normally change the battery mid afternoon every other day, but every day the tank gets filled. I use a UDCT tank with a 3ohm ikenvape mega fusion.
Single 18350s (actually r123a 750mah) only last me about half a day. I never did run two stacked much in the vamo.
I fill when i get off work, I find that I normally change the battery mid afternoon every other day, but every day the tank gets filled. I use a UDCT tank with a 3ohm ikenvape mega fusion.
Single 18350s (actually r123a 750mah) only last me about half a day. I never did run two stacked much in the vamo.
I use single 18350s and run through about 2 a day with AW IMR @ 700mah and 1.5ml to 2ml running at 7 to 8 watts.
I would rather carry a spare or two (in proper case) and change batteries in the field than try to carry a full length V3 with a Protank in my front pants pocket all day......
I would rather carry a spare or two (in proper case) and change batteries in the field than try to carry a full length V3 with a Protank in my front pants pocket all day......
I am a very light vaper. I take two to three puffs every hour or two at work the. Every hour/45 mins off work with 2.8 ohms and at 6 watts. That gets me around 5 ml and 3 maybe 4 days worth on a 18350.
I use 18650 which run in capacity from 2,000 to 2,700 mAh real capicity not claimed .
A typical CGR 18650 runs 2000 to2100 ,,Panasonic 3,400 actual 2,700 mAh . I vape 3 to 5 ml per day mostwithEvods (BCT) 1.8 to 2.2 Ohms.6.5 to 7.5 watts . I change battery daily and rarely let one get bew 3.6V.
On another forum I am known as a Battery Guru ,I have thousads of dollars of battery test euipment,smart chargers, many of which cost hundreds of dollars.
It is really best not to discharge a Li battery below 3.6 volts however Vamo works all the way down to 3.2 which is hard on the batteries.
A typical CGR 18650 runs 2000 to2100 ,,Panasonic 3,400 actual 2,700 mAh . I vape 3 to 5 ml per day mostwithEvods (BCT) 1.8 to 2.2 Ohms.6.5 to 7.5 watts . I change battery daily and rarely let one get bew 3.6V.
On another forum I am known as a Battery Guru ,I have thousads of dollars of battery test euipment,smart chargers, many of which cost hundreds of dollars.
It is really best not to discharge a Li battery below 3.6 volts however Vamo works all the way down to 3.2 which is hard on the batteries.
My 18490 last he all day and about 4ml. My 18650 up to 3 days on my zmax
Sent from my Galaxy Nexus using Tapatalk 2
Sent from my Galaxy Nexus using Tapatalk 2
Have a look at this blog entry by a friend of mine regarding a computer controlled test, using professional batter test gear, of battery life under simulated vaping conditions. Incidentally, not to start a battery discharge level war, but it is safe to discharge a lithium based battery to 3.3 or 3.2 volts. Damage to the battery does not start to occur until the voltage drops below 2.8 or 2.7 if I remember correctly.
http://leosedf.blogspot.co.uk/2013/07/vamo-simulation-real-world-battery-test.html
A check on Battery University does show that the lowest, safe, discharge voltage for a lithium cell, generally, is 2.8 volts. This is because at 2.7 volts the cell goes into "protection mode" and shuts itself off. With the right charger this can be recovered from.
http://leosedf.blogspot.co.uk/2013/07/vamo-simulation-real-world-battery-test.html
A check on Battery University does show that the lowest, safe, discharge voltage for a lithium cell, generally, is 2.8 volts. This is because at 2.7 volts the cell goes into "protection mode" and shuts itself off. With the right charger this can be recovered from.
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SImple fact is that the deeper a Liion,Li M,LiFe,LiPoly is discharge the fewer tye cycles it will last. Many variables here but rule of thumb is limiting discharge to 3.7 versus 3.2 will increase number of useable cycle by six times. The increase in number of cycles greatly increases the number of mAh delivered during the battery's life.
FWIW I could post links to over 7 years worth of battery test but I have learned that most can not read / understand graphs.
Batteries charged on a very high end $350 charger to 4.2V ,5min. rest then 1.5Amp. constant discharge .
CGR 18650 CH Liion MH12210
# 1
Start 4.2V
900 mAh consumed - 3.7V
1300 ,mAh consumed - 3.6V
1,750 mAh consumed - 3.5V
2,300 mAh consumed -3.3V
# 2
860 mAh consumed -3.7V
1,250 mAh consumed - 3.6V
1,700 mAh consumed -3.5V
2,050 mAh consumed -3.3V
PANASONIC NCR 18650 Liion MH12210
1,300 mAh consumed 3.7V
1,700 mAh cosumed 3.6V
2,100 mAh consumed 3.5V
2,760 mAH consumed 3.3V
Only applies to protected cells and even then the BMS (protection device) varies a great deal. Most protected cells will not work in advanced APV devices . I have numerious Liion protected cells and non will work in a Vamo at above 5 watts or so.
FWIW I could post links to over 7 years worth of battery test but I have learned that most can not read / understand graphs.
Batteries charged on a very high end $350 charger to 4.2V ,5min. rest then 1.5Amp. constant discharge .
CGR 18650 CH Liion MH12210
# 1
Start 4.2V
900 mAh consumed - 3.7V
1300 ,mAh consumed - 3.6V
1,750 mAh consumed - 3.5V
2,300 mAh consumed -3.3V
# 2
860 mAh consumed -3.7V
1,250 mAh consumed - 3.6V
1,700 mAh consumed -3.5V
2,050 mAh consumed -3.3V
PANASONIC NCR 18650 Liion MH12210
1,300 mAh consumed 3.7V
1,700 mAh cosumed 3.6V
2,100 mAh consumed 3.5V
2,760 mAH consumed 3.3V
Only applies to protected cells and even then the BMS (protection device) varies a great deal. Most protected cells will not work in advanced APV devices . I have numerious Liion protected cells and non will work in a Vamo at above 5 watts or so.
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I think the biggest factor in any battery's life is the heat it is subjected to, either by charge rate or discharge rate. This makes me wonder about charging at high rates, 1C or higher, and high discharge rates, even with batteries rated for 10amp or higher rates. The internal heating, power loss, becomes a life limiting factor even though the battery may well be capable of producing or accepting those rates.
The accepted discharge levels are, more or less, an industry standard and seem to work fairly well. I'd like to see some documentation on that increase in useable cycles, it's the first time I have seen it and makes me wonder...sometimes an "industry standard" can be set to improve the profitability of the industry, LOL.
The accepted discharge levels are, more or less, an industry standard and seem to work fairly well. I'd like to see some documentation on that increase in useable cycles, it's the first time I have seen it and makes me wonder...sometimes an "industry standard" can be set to improve the profitability of the industry, LOL.
On which one?
can you tell us details about your equipment? What are you using exactly?
2.750V is the normal cut off voltage on ALL li-ion batteries and 4.2 is the charge voltage, that's it and no one can do anything about it.
Even if the vamo used the bat down to 2.75 the battery wouldn't have a problem.
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We can read graphs if you have any.
We also like stats if you have 7 years of them.
1,5A discharge is actually lower than the normal discharge rate of the battery, mine discharge at even 5 amps.
My understanding of rechargeable batteries is that they have a total power capacity, life, that is a function of their rated capacity times the number of achievable recharge cycles. That is an overall function of their chemistry and it's ability to "regenerate". Whether or not that total life capacity of power is reached by shallow discharge or deeper discharge, it is the true life limiting factor involved. The major difference being simply how many times the battery gets put on a charger. I would like to see graphs of how you got this conclusion and the setups used to produce the results.
RC Groups - View Single Post - Battery graph vault.
Equipment: most every Thunder Power,iCharger,Hyperion ,iCharger and FMA charger made in the past 8 years as I beta tested all of them. Two CBA discharge units with Pro Version software , two Cam Light Systems CC-400 discharge units and numerious misc. one of a kind beta units which never made it to market.
I did not come here to argue battery care just trying to be helpful but I see that was a mistake.
FYI Volts X Amps. = watts thus 5A at a nomimal 4V is 20 watts. I vape my Vamos at 5.5 to 6.5 watts which is closer to 1.5 amps..thus why I used that as a discharge rate.
Equipment: most every Thunder Power,iCharger,Hyperion ,iCharger and FMA charger made in the past 8 years as I beta tested all of them. Two CBA discharge units with Pro Version software , two Cam Light Systems CC-400 discharge units and numerious misc. one of a kind beta units which never made it to market.
I did not come here to argue battery care just trying to be helpful but I see that was a mistake.
FYI Volts X Amps. = watts thus 5A at a nomimal 4V is 20 watts. I vape my Vamos at 5.5 to 6.5 watts which is closer to 1.5 amps..thus why I used that as a discharge rate.
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