I have a 901b and was toying with the idea of ordering a penstyle starter kit instead of another 901b starter kit. I like the idea of larger carts and larger battery. Seems to me the pen style from puresmoker might be more satisfying in general than the mini ecig. I built a USB powered adapter for my mini, so if the threads on the mini battery are the same as the threads on the penstyle then my USB adapter will work with either the penstyle or the mini. If anyone knows for sure if the batteries are interchangeable please let me know!
Also, does anything think the puresmoker pen style is better than the 901? Would be nice to have larger battery and cartridges

Also, does anything think the puresmoker pen style is better than the 901? Would be nice to have larger battery and cartridges
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