An electric coffee grinder with a built-in battery combines ergonomic design and high quality. The coffee grinder is powered by a built-in battery, a full charge of which is enough to grind about 120 grams of coffee beans. The device is charged using a cable with a connector, the device body is made of high-quality plastic and stainless steel. The top cover is fixed with a magnet, and the bottom is designed in such a way that the coffee grinder does not slide on the table during operation. Using a coffee grinder is very simple: pour the grains, set the degree of grinding of different modes), press the start button. After the operation is completed, the device will turn off automatically. In order to grind 20 grams of coffee, it will take about 5 minutes. 5 degrees of grinding; Capacity of the coffee bean compartment 36 grams; Indication of the charge level; Rated voltage 7.4 V; Rated power 18 W; Input voltage 5 V; Input power 5 W; Built-in battery with a capacity of 800 mAh; Charging time: 2.5 hours; Charged using a cable with a connector 20 grams of coffee are ground in about 5 minutes; The coffee grinder is capable of grinding about 120 grams of coffee with a full charge of the battery without connecting to a power source; The coffee grinder, manual, charging cable with connector branded packaging is included.