MEDION MD 18379, Bagless, Black, Round, Plastic, 0.9 L, Charging MEDION MD 18379. Dust container type: Bagless, Product colour: Black, Shape: Round. Dust capacity (vacuum cleaner): 0.9 L, Base station functions: Charging, Noise level: 65 dB. Runtime: 80 min, Battery voltage: 14.4 V, Charging time: 5 h. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 2500 mAh. Diameter: 29.2 cm, Working width: 2.84 m, Height: 119 mm