The Vandy Vape Gaur-21 is a high-powered monster box mod. Capable of going up to 200-watts, this beast needs 2 x 21700 or 20700 batteries for best results, however it includes battery spacers for using your 18650 batteries. The Gaur-21 is definitely a large mod, so you can fit some seriously large tanks and rippers on top. No batteries are included in the package.