RELX is your online source for advanced electronic cigarettes and next generation vaping equipment. We use the most modern production techniques, presenting you with innovative devices. Our products combine stylish modern designs with cutting edge technology to provide you with the best electronic cigarettes and vape pens online. The RELX Difference RELX combines cutting edge, next generation vaping technology with stylish, minimalist designs to give you products that are more elegant and sophisticated than you can find in any other online vapor store. Our vape pens and e-cigarettes recharge quickly and can last 24 hours even with heavy use. Unique airway designs also enhance your vaping experience.