Battery Life

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jward015

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I use lots of different mods, but I always use the same batteries. I've seen posts recently about what mah means but I highly doubt that's accurate. My every day vape is a ProVari Mini, which uses one 18350 800mah 3.7 volt battery. My average voltage is set to 4.0, but I'm only getting about three or four hours of life on every battery. Therefore, I have to carry around three or four batteries if I leave my house for an entire day. I'm just wondering what these numbers actually mean, or what I could do to extend battery life. And don't say, "Turn your voltage down." Lol
 

Ryedan

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mAh = milliamp hours. Wikipedia link here.

So, if you have a battery which is 800 mAh and you use it on a coil at say 6 watts and see how many hours that lasts you at your vape pace, a 1600 mAh battery will last you pretty close to twice as long on the same PV at the same power use and at the same vape pace.

Lower the power or vape less and it will obviously last longer.
 

Thrasher

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Lower the power or vape less and it will obviously last longer

not quite.
first the 1hr rule is just a genralization to help get an idea not a hard rule, as regulation circuits become more prevalent it becomes farther away from accurate.

lowering the voltage on a regulated mod actually causes the amperage to increase, the theory was originally to use higher resistance with higher voltage for lower amperage usage to preserve battery life. now set at 4v the mod may produce 1.5 amps at the atomizer. but to hold the 4v it needs to actually use 2.5amps and boost that current up, doing this there is a loss of MAH to the regulation and boost circuit.

then there is the sad fact than not all batteries are rated at their real world capacity, (sort of like how a car get 45mpg highway but they ran it at 40 mph) about the best you can do is either use bigger batteries, carry spares or experiment with a couple different brands.

chargers also come into play as some have been shown to not charge the battery to full capacity (thus extending the lifespan of the battery) as well as not charging them properly. a fully charged battery should come off the charger at 4.2v +/- .05
 
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Ryedan

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Lower the power or vape less and it will obviously last longer.

not quite.

Hmm, interesting. OK, let's take the first one - 'lower the power'.

I did read your whole post Thrasher. So with a VV or VW device when you turn down the volts or watts setting, the end result is that the power output by the device is reduced giving less heat to the coil (less vapor). Please correct me if I got that wrong. If correct, the battery will last longer.

I believe you agree that if someone vapes less over a given amount of time the battery will last longer.
 

Thrasher

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If correct, the battery will last longer.
several factors if you just turn down the power on a higher resistance atomizer then it will conserve a little power but then again it has to lose some to the conversion circuit. and the vape will suffer, so you get more life but with a weaker vape, and thats not an acceptable alternative either just to get an extra 1/2 hour or so.

if you go lower resistance AND lower power thinking less is more that will be false as the lower the resistance the higher the amperage pull volt for volt.

the very first thing i would go after is battery brand. i would get a couple different ones to see how they compare, not all batteries are equal mah for mah.

I believe you agree that if someone vapes less over a given amount of time the battery will last longer.
100% - but that shouldn't be considered as an option. i want to vape longer so i only vape every 30 minutes is not a reasonable way of thinking unless your just trying to quit or slowdown. if you want to go this rout just get stronger liquid, and get a bigger dose in less vape time so its longer betwen vapes lol.
 
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Baditude

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My every day vape is a ProVari Mini, which uses one 18350 800mah 3.7 volt battery. My average voltage is set to 4.0, but I'm only getting about three or four hours of life on every battery. Therefore, I have to carry around l

Are those Efest IMRs by any chance?

I've been using only AW IMRs for well over a year now in all of my mods. A couple of months ago, I was making an order for batteries for my daughter's new mod, and decided to get a couple more 18350s for my Mini Provari, too. For some reason I decided to try some Efests. My daughter got 14500s for hers mechanical BB.

With both of us using the new batteries in a rotation, in our respective mods, the Efests compared favorably with the AWs we had been using. However, after 2 - 3 weeks we both noted a gradual decrease in battery duration. Nothing else had changed. She claimed she was only getting 3 - 4 hours on a 700 mAh battery. I honestly don't remember what I was getting on my 18350 Efests, but I did notice a drop in battery life.

We both ended up putting the Efests away in a drawer and went back to our AW battery rotation. Not all batteries are created equal.

Just sharing my personal experience.
 
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serenity21899

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Are those Efest IMRs by any chance?

I've been using only AW IMRs for well over a year now in all of my mods. A couple of months ago, I was making an order for batteries for my daughter's new mod, and decided to get a couple more 18350s for my Mini Provari, too. For some reason I decided to try some Efests. My daughter got 14500s for hers.

With both of us using the new batteries in a rotation, in our respective mods, the Efests compared favorably with the AWs we had been using. However, after 2 - 3 weeks we both noted a gradual decrease in battery duration. Nothing else had changed. She claimed she was only getting 3 - 4 hours on a 700 mAh battery. I honestly don't remember what I was getting on my 18350 Efests, but I did notice a drop in battery life.

We both ended up putting the Efests away in a drawer and went back to our AW battery rotation. Not all batteries are created equal.

Just sharing my personal experience.

I have the same issue with the 2 efest 18650s I have. At first, the matched the life of my AW's. Now the discharge faster than the AW's. I put them only in a mod I don't use that much.
 

Ryedan

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several factors if you just turn down the power on a higher resistance atomizer then it will conserve a little power but then again it has to lose some to the conversion circuit. and the vape will suffer, so you get more life but with a weaker vape, and thats not an acceptable alternative either just to get an extra 1/2 hour or so.

if you go lower resistance AND lower power thinking less is more that will be false as the lower the resistance the higher the amperage pull volt for volt.

the very first thing i would go after is battery brand. i would get a couple different ones to see how they compare, not all batteries are equal mah for mah.


100% - but that shouldn't be considered as an option. i want to vape longer so i only vape every 30 minutes is not a reasonable way of thinking unless your just trying to quit or slowdown. if you want to go this rout just get stronger liquid, and get a bigger dose in less vape time so its longer betwen vapes lol.

I hear ya Thrasher. I was operating under the premise of not changing batteries. That's why more than one perspective is a good thing :thumb:
 
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