Battery voltage query and general saftey questions.

[JayJ]

Hi all, as some of you know I am using my new toy, a zmax v3. I'm a little confused though. I'm using 18350 and 18650 batteries in the mod and as you know these are 3.7v batteries. Now I've set up my zmax to show battery power whilst vaping. I know I have it on the correct setting, number 5 on the menu (LCD) and selected battery. This then shows remaining battery power as you vape. Now what confuses me is fully charged batteries show as being 4.1v. Am I a dumb ass as rumoured ? Should they not show as 3.7v ? The 4.1v it shows on fully charged batteries does gradually reduce through the day it's gone to 4.0v and now 3.9v. I vape in watts by the way so I've not made a mistake on that front.

My second concern is battery safety. Does anybody use the charging bags that are available for charging ego style or mod batteries ? I've read about them and while they seem a good idea I've also read they become very hot inside while charging which isn't good for batteries, and they may not offer that much protection from exploding batteries. I've also read some people charge up outside and even of some using ammo style boxes to charge there batteries in. I know we should never leave charging batteries unattended but I'd wager a lot of us have, even if only for a few minutes. How could we stay in one room for 3 hours. I will confess I have left my spinner on charge and gone out for a couple of hours. I offer no excuses for this only stupidity. I could easily flick off the socket power button. I should no better aswell, my OH's work place had a devastating fire not that long ago. I hasten to add it was not ecig related but it did result in £1,000,000 of damage. Alot of people use mechanical mods, it's recommended to use protected batteries in these for safety reasons, but are protected batteries safer on charge opposed to none protected against such things as venting/fire/exploding ?

Jay

[ginge7289]

JayJ they come off the charger at 4.2 ish and drop to 3.2v which is pretty much dead mate. Hope that helps?

[Karma]

It's good to be aware of safety and sensible precautions should be taken, but, don't forget everything in life carries some degree of risk!

Always buy good quality batteries and chargers from known vendors. I bought a battery charging bag but don't use it as I like to see my battery charging and occasionally touch it to see if it's overheating.

[JayJ]

Sept 20, 2013 13:21:39 GMT ginge7289 said:

JayJ they come off the charger at 4.2 ish and drop to 3.2v which is pretty much dead mate. Hope that helps?

That helps a great deal thank you ginge, I am a dumb ass as rumoured then. I don't get why they come off at around 4.2v if they're 3.7v batteries but it's probably best if I don't receive that information lol.

Karma I would prefer to see my charger aswell I think, and I do have the odd touch. I think I'd be worried if i was feeling a bag and thinking is that hot.


EDIT: I've edited the above aimed at Karma twice now and I still think it's not coming across very well lmao.

[Deleted]

JayJ the reason it is called a 3.7 volt battery is to do with the standard used for measuring and comparing different batteries .. for example a 3,7 volt 1200 mAh battery indicates that it can deliver 1200 milliamps of current at a voltage of 3.7 volts for 1 hour before becoming discharged.
The 4.1 voltage is the maximum to which the battery has been charged before the overcharge protection kicks in and stops the battery charging further.
I have never fancied using a fire bag for the reason you mentioned .. enclosed inside a bag the battery and/or charger could overheat and be responsible for causing a fire (NOTE: this is my thinking only NOT to be taken as advice)

[JayJ]

@freefromsmoking thank you for the quick explanation I think I get that. Even though your reason for not using the bag is opinion I reckon I'm with you on that one.

[Jaguar7777]

I've sat around for days with a Digital Camera in my hand waiting for one of my Ego type batteries to do something strange, or burst into flames. Not one picture do I have to show for all my patience. Generally speaking, I fancy batteries are rather well behaved in the modern world. I do miss heating them up on the stove to get a bit more power out of them though ........


Jag. (I did read the warning on the condom packet, but that WASN'T how I broke my neck.)