LePresso Cordless Burr Grinder with High-Precision Grinding - BlackLePresso Cordless Electric Conical Burr Grinder is a portable rechargeable coffee mill with a 35g container. Hence its capacity, it grinds enough coffee for 2 double shoots of freshly brewed espresso. With 3 hours of charge, its 800mAh battery can generate enough power to serve you 40 cups of coffee. This Cordless 420 SS High Grade Steel device uses Burr technology to grind coffee beans which enhances the coffee's taste by ensuring consistency,