It's more like .83 Ohms, so just a hair over .8 Ohms... But really, who is going to measure out like that? And it would only fire that .83 Ohm coil at it's lowest voltage setting. At 3V it can fire .86 Ohms, and at 3.1 it can do .89 Ohms...
So what I tell people is .9 Ohms... It can go lower, by a little tiny bit... Not worth the trouble trying to wrap a coil to that degree of accuracy if you ask me...
So, an 1Ω coil is just fine, right?
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Now my problem is the $46 Shipping