Being a cheap sort, may I suggest these because they're half the cost? ($4.75):
PVTSO IMR 18490, 1100mAh Battery, Flat Top
They even have button tops for a buck more ($5.95):
PVTSO IMR 18490, 1100mAh Battery, Button Top
Both are IMR 1100 mah 16A continuous discharge batteries. Even if they actually have less capacity than the AW, you'll have twice as many. Personally they seem comparable. Madvapes is a pretty reputable dealer so I'm trusting in the specs they claim for the battery.
Speaking of ZNA batteries... Has anyone had issues with the robbot 18650 tube being too small to accommodate pretty much any battery? I've tried Sony VTC5, blue Sanyo, red LG, purple Efest 3500 mah and all really don't want to slide into the tube. The red LG is ever so slightly smaller in diameter that it'll go into the tube if I'm careful and push just enough to get it to slowly slide in. I'm worried about tearing up the wrappers of the batteries.
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