Battery Wrap Peeling

At what point does a peeling 18650 battery wrap become unsafe? Some of mine are starting to peel back where it wraps at the base. Thanks!  


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Battery Wrap

The wrap on the top of my brand new (3 week old) 18650 is peeling off, what can I do? As far as I know this aint safe.  

Battery Wrap - Does This Look Ok?

One of my 18650 batteries had a snag so I did my first re-wrap. I thought I had it positioned well before turning on the hair dryer but seems I got way more wrap on the pos end than on the neg end of that Samsung 30-Q. Here it is next to an original wrap. There's not much wrap at all on the negative end. Do you think it's ok or should do over?

 

Avoiding Battery Damage In Charger (springs)

My charger has those eeh springy slides to keep batteries tightly set.
Couldn't find a respectable charger without them.

How do you avoid damaging the battery wrap when inserting/removing in a charger?

Inserting a battery is easier as you can preload the slide with a finger.
But when removing a battery the spring slide eats into the battery wrap on the way up.
Would be nice to avoid any wrap damage.

Maybe put a rubber band / twine / other (non-conductive) underneath so it can be pulled and open the spring slide after charging?
Like a slingshot
Other ideas?  

J-wraps Or Vapor Skinz Vs The Cheaper Ebay Wraps ... Big Difference In Quality?

I have an iPV Mini that the finish is starting to look a little bad in certain areas on the mod.

I am going to cover it with a vinyl wrap, but can't decide what to buy.

Pricewise, the J-Wrap and Vapor Skinz are at least double the price or more than the wraps you can buy off of Ebay from companies such as "MightySkinsDecals1"

Are these Ebay wraps in the $7.00 - $8.00 price range of much poorer quality than the expensive J-Wraps, Vapor Skinz, etc?

Thanks,  

So I Finally Saw It Happen...

A few days ago I noticed a new co-worker of mine was a vaper. He had some kind of old, ratty looking mech with some kind of tank I'm unfamiliar with on top. This guy doesn't strike me as the type of person who would be responsible with a mechanical, but trying not to be judgmental, I kept quiet. So yesterday a friend of mine says "look at that guy, what's he doing?" I look over and see this guy dancing around, frantically pulling everything out of his pocket. Out comes an 18650 battery, with a key WELDED to the end of it, still throwing arcs! By this time, his pants were actually SMOKING!!! We go over there to investigate, and he had put a fully charged battery without any kind of case or covering in his pocket with a bunch of change and his keys. The old ratty battery no longer even had the plastic shrink wrap sleeve on it, just a silver cylinder. When it was cool enough to touch, we examined it, and the positive terminal had completely burned away, and it had burned a hole in his pocket about the size of a half-dollar. After lecturing him about using a battery case, we asked to see the battery in his mod. He pulled it out and it was in worse shape than the one that shorted out in his pocked. No insulated wrap, big gouges in the side, burnt spots on the positive end. All we could do was warn him to get new batteries and go about our business. I have a feeling our warnings fell on deaf ears. I even showed him my little $0.99 battery case. I can understand someone not being completely knowledgeable about all the technical stuff, but isn't this just common sense? Sigh.  

18650 Battery At 13 Watts

Hello All,

Does anyone know which 18650 battery would last the longest when vaping at 13 watts? I have listed some below but any not listed recommendations are welcome as well.
(PS please don't respond with battery safety information or suggestions for me to look at mooch ratings)
Also, does anyone know if the vendors in the last 3 below links are reliable?

Thanks!

Sanyo NCR18650GA 3500mAh 10A

AW Protected 18650 3400 mAh

Samsung 35E 18650 3500mAh 8A Battery - INR18650-35E

Sony VC7 18650 Unprotected Li-ion Battery

18650 Battery 3500mAh Protected Li-ion 3.7V Rechargeable Orbtronic 10A Dual Protection (Panasonic-Sanyo inside) ORB3500P For High Performance Flashlights  

Question About Wraps

How hard is it to remove the wrap from a mod?

And when you remove it, is there a bunch of glue/residue left behind that you have to remove?

I'm thinking about buying a wrap for a mod for the first time ever, but I don't want it to ruin the mod should I want to remove it later.  

Battery Wraps

Best online place in the U.S. to buy 18650 wraps? I don't want to order from China ect, I want to get quickly.  

I Was Feeling "retro" Today

just for fun I tossed this together. (anyone remember these?)



KF clone with 6 wraps of 30AWG Kanthal A1 @ 1.7 ohms @ 12W with 18mg 100% VG juice and one 18650 battery.

Expectation is that I should be able to get more than a few hours out of the setup before ether the tank or battery run dry.

g.  

Wrap 20700 With 21700 Sleeve?

I have a couple 20700 batts that need rewrapping but I'll never buy 20700 batts again so I don't want to buy a bunch of 20700 wraps.

Will a 21700 wrap fully shrink on a 20700?