More than a year in product design. The Mig Vapor canna-blast battery out lasts all competition, period. This battery is longer because it has a controller board and a high output powered battery thats beats any vape pen battery today. It also appears as a writing pen, alluding focus on it. All Mig Vapor batteries have this technology, it will give you full power from the first hit to the last. If your going out for the night, or just need it at home. The Mig Vapor batteries will keep you going strong. Choose manual or Automatic styles, and many colors to choose from.