"The POSH features a non-refillable 1.8ml capacity design which is equivalent to approximately 200 puffs per each POSH device. The POSH utilizes 60mg salt based nicotine e-Liquid available in a wide variety of flavors." is what I found on Google. I liked the posh ones when I was buying disposables.
500 for posh plus 450 mah battery dont know about regularposh
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