Efest batteries are well known throughout the vaping industry -- and with good reason. Efest's unique combination of reliability, consistent power delivery and low price has made the classic Efest purple battery one of the most widely used vaping batteries around the world. Whether you're about to buy a new vaping device and need to grab some batteries before you check out -- or you're looking for a new set of cells to breathe some life back into an aging mod -- you won't regret buying Efest batteries. Like all products in the SMOKLY store, we ship Efest batteries for free. Get yours now!