I've had the smok alien and build quality is terrible .apart from the chipset nothing good about it. Lots of returns on quality issues and dead mods where they won't turn back on after battery removal. My was returned because it just died. Smok are crap for quality checks etc.. also bought the smok skyhook box and lo and behold it leaks like a tap.. no more smok for me ill stick with joyetech. Wismec and kangertech
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