The Dyson SV9 is a lightweight and powerful vacuum cleaner equipped with a lithium-ion battery. - Brand: Dyson - Model Name: SV9 - Battery Capacity: 21.6V 350W - Weight: 2.34kg - Battery Type: Lithium-ion Thank you for viewing. * The hose on the head part is torn due to aging. It can be used if you charge it. There is a feeling of use, so please refrain from purchasing if you are sensitive to this.