After his first charge and you can mount the battery in your electronic cigarette, so you have:1. Tighten cautiously battery charged atomizer.Two. Removing the blue bag and then the protective cover nicotine cartridge.Three. Insert the cartridge into the atomizer.To make your battery work perfectly we recommend the following: The first time you must smoke around a20 of15 minutes with your electronic cigarette puffs with slow and cautious. After a few puffs The Electronic Cigar let rest a few minutes. After a 20 min resting and smoking should put the battery back to charge 3 or 4 hours. Now, I have the battery in tune for use and ensuring maximum battery life.