Once you have decided to go with the rechargeable electronic cigarettes, you will need to purchase a e-cigarette starter kit. This kit includes 2 rechargeable batteries, 1 atomizer, a wall charger, and a pack of 5 pre-filled nicotine cartridges. This kit includes everything needed to get you started e-smoking. The pack of 5 pre-filled nicotine cartridges will last you about 4 packs of conventional cigarettes.