This is the Dyson SV18 main unit. Please check the product condition in the images. The battery is genuine, and the LCD display at full charge shows: [Eco mode] 44 minutes 28 seconds [Medium mode] 26 minutes 16 seconds [Strong mode] 5 minutes 35 seconds The official time is 40 minutes in eco mode at full charge, so the battery degradation is considered to be minimal. After disassembling the main unit, it has been cleaned with a special cleaning solution, and the packing etc. have also been removed and cleaned. If the inside of the cyclone is dirty, the suction power will decrease and it can also cause bad odors. The main unit has been disinfected with alcohol. The product condition is based on a personal assessment, so please refrain from purchasing if you are sensitive or looking for a perfect product. #Dyson #dyson #SV18