Panosonic 18650 not working
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I agree with Stosh above. A multimeter or an inline voltage meter can determine the voltage left (if any) on the battery. You didn't state how long you've been using the battery, how hard you were using it, etc. It's reasonable to believe the battery is dead.
Lithium ion batteries (ICR, IMR, IMR hybrids) that we use should have at least 150 charge/discharge cycles during their lifetime. However, draining a battery completely down below 2.5 volts will shorten its lifespan, and could destroy it with just one episode of over-draining it. This is particulary crucial if used in a mechanical mod with no over-discharge protection built into the mod (ie like a regulated variable voltage mod has).
My son killed off a couple of genuine Sony VTC batteries (generally considered the best battery on the market for our uses) because he repeatedly used them until they no longer would fire his atomizer. This occured after only a couple of month's use. Repeatedly over-discharging these batteries greatly lowered their expected life expectancy. I advised him to become aware of a drop in performance during each use of future batteries, and to remove them from his mechanical mod prior to them giving a drop in performance and replace them with a freshly charged battery.
Overall battery life will be extended if you remove the batteries around 3.4 - 3.5 volts as checked by a meter. Don't over-drain batteries. Another possibility is that the charger itself is defective.
Lithium ion batteries (ICR, IMR, IMR hybrids) that we use should have at least 150 charge/discharge cycles during their lifetime. However, draining a battery completely down below 2.5 volts will shorten its lifespan, and could destroy it with just one episode of over-draining it. This is particulary crucial if used in a mechanical mod with no over-discharge protection built into the mod (ie like a regulated variable voltage mod has).
My son killed off a couple of genuine Sony VTC batteries (generally considered the best battery on the market for our uses) because he repeatedly used them until they no longer would fire his atomizer. This occured after only a couple of month's use. Repeatedly over-discharging these batteries greatly lowered their expected life expectancy. I advised him to become aware of a drop in performance during each use of future batteries, and to remove them from his mechanical mod prior to them giving a drop in performance and replace them with a freshly charged battery.
Overall battery life will be extended if you remove the batteries around 3.4 - 3.5 volts as checked by a meter. Don't over-drain batteries. Another possibility is that the charger itself is defective.
I was using it for no more than a week, I was using a Trustfire charger (my Trustfire battery doesn't work either) , I can't find out the voltage as waiting on getting my multimeter back, I have never looked at the voltage because my friend has had it for over 2 weeks, I'm using a cheap one at the moment and its charging my Samsung 18650 perfect, not tried it on the others don't dare to be honest
Trustfire chargers are not known to be too good and have toasted batts before. Depending on the model, some of them don't completely stop charging so if you leave a battery in them too long it can get dangerous and seriously reduce batt life.
How do you know it's charging the Samsung 'perfect' if you don't check the voltage when the charger is finished?
Vaping is pretty simple if you do the important things right. Check battery voltage when you take them out of the mod. Check batt volts when the charger is finished. If the charger is leaving them higher than 4.2v their life is reduced. Read a review on your batteries and charger and know what's what with them. Here's a great site for those reviews.
Here's a post that has links to a lot of other vape info; One Stop Reference Shop For New and Experienced Vapers. The more of that stuf you read, the better your experience with vaping will be
What model Trusftire? TR-001? 006? 007? If it's a TR-001 how old is it? (It's been reinvented a lot over the years.) A current version TR-001 can take a good 19 hours to fully charge high capacity 18650 batteries. You really need a meter to tell what's going on here. And preferably a much better charger.
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