Efest is a joint-venture company invested by DCB group and based in Hong Kong, Canada and Japan. Efest focuses on the lithium battery industrial chain of manufacturing and researching battery power solutions. The battery chargers often recommended by Vape Envy, Efest has been producing some of the best crystalline LCD chargers since 2011. Efest’s technical superiority of the new battery materials and manufacturing management, Efest aims to research and manufacture high performance lithium battery and advanced LCD chargers. Efest’s lithium batteries and chargers have passed many international testing and got certificates, such as UL, CE, RoHs, UN38.3, and MSDS.