18650 BATTERIES: HOW LONG DO THEY LAST & WHEN TO REPLACE?

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EZGOER

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Dec 2, 2015
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Hello everyone. I was just curious about 18650 batteries. How long do they last? When should I replace them? How do I tell if I need to replace them? I am currently using a Smoant Battlestar mod, a dual 18650 battery mod. I run this mod at 70w-80w, using pre-built 0.15 ohm coils in my sub-ohm tank. Thanks for any help, and thanks to everyone for helping me with everything in the past.
 

EZGOER

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Hello, Mooch. Thanks for replying so quickly, and thanks for showing me some things to look for. I have a single 18650 mod that I like to carry around with me when I'm out and about (the Battlestar is a little to big and heavy for me to carry around). Anyway, when I'm using this single mod at around 50-55w with 0.3 and 0.5 ohm coils the LED screen will show "low battery warning" when I try vape, but the screen also shows that the battery is half charged, perhaps a little more. Mod works fine until I get to that half charge point. I never get this type of warning with the Battlestar using the same battery, paired with another of course. Is there a problem with my mod? my battery?

Thanks again
 

Mooch

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  • May 13, 2015
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    Hello, Mooch. Thanks for replying so quickly, and thanks for showing me some things to look for. I have a single 18650 mod that I like to carry around with me when I'm out and about (the Battlestar is a little to big and heavy for me to carry around). Anyway, when I'm using this single mod at around 50-55w with 0.3 and 0.5 ohm coils the LED screen will show "low battery warning" when I try vape, but the screen also shows that the battery is half charged, perhaps a little more. Mod works fine until I get to that half charge point. I never get this type of warning with the Battlestar using the same battery, paired with another of course. Is there a problem with my mod? my battery?

    Thanks again

    That's fairly common. A pair of batteries is a more efficient setup than a single battery. Also, when two batteries are showing half charged you still have the (rough) equivalent of a full battery left.
     
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