I'd be willing to bet money on the spring loaded charger sled thingy. The pattern is very distinct and matches 100%
He has a Pulse BF mech. There's nothing in that thing that could catch at that place on the battery when putting it in or taking it out.
Especially taking into account the direction of the tear along the axis of the battery.
Especially taking into account the direction of the tear along the axis of the battery.
@JamesDMad try taking your batteries out of the charger positive first and slowly releasing the spring tension to avoid such beauty marks on your batteries 
The 0.16 build on a fresh 4.2V battery will pull 26.25A on a good mech mod. The Pulse has a voltage drop through the switch and the cheesy spring loaded shut off switch, so that will drop the battery voltage to 4V or less right from the get go. This brings the current down to 25A, and that will only be for the first few vapes. So that's nothing too extreme or pushing hard on the edge there...
Depending on what the Mohawk coils are made from, if Ni80 they will hold the 0.16 reading through out the vape. If they are made with SS316L, the resistance will climb as they heat up and make them almost unvapable on a single battery pseudo mech like the Pulse.
I run a 0.14 build on mine with the iJoy 20700, I would run a 0.11 build but I don't want to stress that switch since it can't be cleaned and is rated at a maximum of 40A.
Once Big Al get's his switchfet available on his site, I'll be converting my Pulse over that. It has a 50A rating, 3 click shut off and low voltage protection.
That looks rewrapable, need to photo ends. It looks like it got caught in battery sled and soaked in juice. Don’t see any real physical damage. You might check out the Opus testing features and see if they can give you any feedback.
Exactly. It will sag even further than just to 4.0V though under that kind of load, that's why I said he's at about the CDR of his battery. In real world terms that is.
When calculating safety for a mech it's advised NOT to take battery sag into account but to calculate with the 4.2V, which would give you the 26.25A and indicate that you might want to change your build.
Mooch is on record saying that CDR shouldn't be the build target on a mech, it should be seen as a red line not as an everyday vape comfort zone.
Even with a cold, too (I was at this show
)!Sorry, all I seem to be doing is catching up here (I always seem to be 100 pages behind
), so nothing to contribute yet and no new shiny things imbound. 
His battery is 25a..granted it'd not be pushing it for long but it'd be pushing it I would think..
however i did calculate in my head to be around 27a.. so my calculation was a little off, and I didn't figure in any voltage drop not knowing what it might be..
So, while it's not as bad as I was thinking I still see it as pushing the limits of safety.. but I definitely prefer safe.. the safer the better..
anyway.. dang on the 50a rating.. That would be nice..
To stay on that topic for just one more second: when disposing of one of our vape batteries please always cover the positive with tape. Also look into your local laws, here it is illegal to dispose of batteries in the household trash.
I fire them out the car window into the swamp while driving by... There will be 3 eyed frogs coming out of that one day.
3 eyed gay frogs with rocket boots. Now I really want to see Alex Jones face when he finds out
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