The second battery is really a 650 mAh disposable battery. The pen also comes along with two differing types of cartridges. Incompatible E-liquids: Applying e-liquids that aren't appropriate Using the disposable vape also can bring about clogs. Some devices could have unique viscosity requirements, and making use of e-liquids https://daltonkmopr.ampedpages.com/cookies-disposable-vape-pen-flavours-no-further-a-mystery-55705226