Discover excellence in electronic cigarette innovation with V2 EX. The EX Series represents the most advanced micro-cig products. The batteries offer a power meter and deliver about 300 puff per charge. A cotton-free design for the cartridges ensures a perfect puff every time, and the cartridges feature an e-liquid gauge and deliver approximately 400 puffs each. And rounding out the assortment are EX Blanks, our popular item.