When you get new batteries and there is very little charge on them do you immediately charge until full or use them until they die then charge thank you
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As soon as I get mine I put them in the charger.
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I don’t do it “as soon as”, but I do charge them before I use them.
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Charge them straight away even if the are at 80 percent or better if going to use. Storing at 3.8v is fairly normal what kind of charger are you using?
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intellicharger i4
the Intelli Chargers are Nice I have an I2 and a D4 both perform nicely and work well with a car adapter
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its old but works lol
For what it is worth the way I do my batteries for vaping is. I have 2 married sets for each of my 2 or 3 battery mods. I use them for 1 year in the mods. I then retire them for use in flashlights were they are not under hard current demands. I order new batteries when my current vaping batteries are at 11 months of use. I charge the new ones as soon as I get them and mark them accordingly as to what mods they will be used in. I use the ones for the flashlights for yet another year and then fully discharge them and discard them.
By rotating them like this I have never had a battery issue of any kind. I never store 18650’s for more than 30 days before putting them in service.
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That explains what is happening to one set of batteries I have. They are old 
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