Efest manufactures a variety of quality battery charging products to fit a multitude of needs. From 18650 batteries for vaping, to remote control toys, to medical equipment, they've charged batteries for it. Trust your power source(s) with a worthy charger. Efest is one of the only brands of chargers we trust to use ourselves. You can never be too safe when it comes to taking care of your batteries and Efest takes good care of them!