I regard my new-version Aerotanks as providing the best bottom-coil vaping experience in my collection. (Haters may stop reading here.) There are several reasons why I personally like them so much, but one main reason we fans will likely agree on—no surprise—is air flow, particularly unrestricted air flow. I always keep mine full open, and I suspect many of you do too. That said, having owned or tried all four (Mini, V2, Mega and Giant) and after a good bit of experience with them, I have come to the conclusion that only two of the four are worth buying.
What all Aerotanks have in common is their coil assemblies, whether the new closed type (which I prefer) or the old open type. The new Kangertech coil assemblies all have a 2 mm ID air passage, regardless of coil resistance. That common diameter sets what the maximum effective air flow can be. (Unless you want to drill yours out and rebuild.) All Kangertech air flow valves open to a greater diameter than that, either slightly more or much more as with the Giant, but the effective maximum air flow will be limited by the coil assembly ID. That's the big equalizer of all the Aerotanks. Now the obvious and not-so-obvious functional differences.
Mini: Obviously, at 14 mm OD, 28 grams with glass, and ~1.2 ml tank capacity (more if you use the Q-tip method for filling), the best candidate for stealth vaping. (I use it on a modified Gripper and it fits in the palm of my hand with only the drip tip sticking up.) Vapor generation is the same as all the other Aerotanks with the same coil resistance, but the vapor temperature tends to range more, from cool to start to increasingly warm as you hit it more. With the Mini's smaller size and lower metal mass, the heat sink effect is the lowest among the Aerotanks, so the vapor is less consistently cool.
V2: At 18 mm OD, 60 grams with glass, and ~2.2 ml capacity (w/o the Q-tip method), it weighs twice as much as the Mini and provides a more consistently cool vapor. More metal mass, greater heat sink effect. Otherwise the same vaping experience.
Mega: At 22 mm OD, 62 grams with glass, and ~3.5 ml capacity (w/o the Q-tip method), it weighs practically the same as the V2. No surprise then that the vaping experience is the same. Close your eyes and you won't be able to detect any functional difference, except of course that you will be able to enjoy vaping longer before refilling.
Giant: At 30 mm OD, ~100 grams with glass, and ~4.2 ml capacity (w/o the Q-tip method), it weighs much more (too much IMO) than the Mega for less than 1 ml more capacity. Though the air valve has all those holes (kinda wish all the Aerotanks were based on this valve style) the maximum air flow is no more than the others and the draw no easier. I suppose if you vape like a vacuum cleaner at high currents it will stay cooler longer, but that's way over my use level.
Conclusion: From the point of view of function, the Mini and the Mega are the ones to get. I like all of them, but those two really distinguish themselves, one for stealth and the other for capacity. The tallest of the four is the V2, ~7-8 mm taller than the Mini and Mega, and a full 17 mm taller than the fat and squat Giant. That could amount to a functional difference for some rigs. Otherwise, to my mind, the rest is appearance, whatever looks best on your battery or mod.
What all Aerotanks have in common is their coil assemblies, whether the new closed type (which I prefer) or the old open type. The new Kangertech coil assemblies all have a 2 mm ID air passage, regardless of coil resistance. That common diameter sets what the maximum effective air flow can be. (Unless you want to drill yours out and rebuild.) All Kangertech air flow valves open to a greater diameter than that, either slightly more or much more as with the Giant, but the effective maximum air flow will be limited by the coil assembly ID. That's the big equalizer of all the Aerotanks. Now the obvious and not-so-obvious functional differences.
Mini: Obviously, at 14 mm OD, 28 grams with glass, and ~1.2 ml tank capacity (more if you use the Q-tip method for filling), the best candidate for stealth vaping. (I use it on a modified Gripper and it fits in the palm of my hand with only the drip tip sticking up.) Vapor generation is the same as all the other Aerotanks with the same coil resistance, but the vapor temperature tends to range more, from cool to start to increasingly warm as you hit it more. With the Mini's smaller size and lower metal mass, the heat sink effect is the lowest among the Aerotanks, so the vapor is less consistently cool.
V2: At 18 mm OD, 60 grams with glass, and ~2.2 ml capacity (w/o the Q-tip method), it weighs twice as much as the Mini and provides a more consistently cool vapor. More metal mass, greater heat sink effect. Otherwise the same vaping experience.
Mega: At 22 mm OD, 62 grams with glass, and ~3.5 ml capacity (w/o the Q-tip method), it weighs practically the same as the V2. No surprise then that the vaping experience is the same. Close your eyes and you won't be able to detect any functional difference, except of course that you will be able to enjoy vaping longer before refilling.
Giant: At 30 mm OD, ~100 grams with glass, and ~4.2 ml capacity (w/o the Q-tip method), it weighs much more (too much IMO) than the Mega for less than 1 ml more capacity. Though the air valve has all those holes (kinda wish all the Aerotanks were based on this valve style) the maximum air flow is no more than the others and the draw no easier. I suppose if you vape like a vacuum cleaner at high currents it will stay cooler longer, but that's way over my use level.
Conclusion: From the point of view of function, the Mini and the Mega are the ones to get. I like all of them, but those two really distinguish themselves, one for stealth and the other for capacity. The tallest of the four is the V2, ~7-8 mm taller than the Mini and Mega, and a full 17 mm taller than the fat and squat Giant. That could amount to a functional difference for some rigs. Otherwise, to my mind, the rest is appearance, whatever looks best on your battery or mod.
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