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I bought two new mods and a fresh set of 18650s but my atomizers aren't working. They're old but were never used or opened. The mods are both pretty advanced 1s the Heatvape invader mini and the others a BEC Pro by Smok. I'm thinking maybe do they require a special quality of atomizer? The...

So, you'll have to bear with me because I'm extremely new to vaping. I'm still learning terms for everything and whatnot. I recently got an eGo CTwist battery and a mini X9 Protank atomizer. Before I send anything back, I just want to be sure I'm not doing something wrong or it's something I...