We have a 2-year after-sales quality warranty, including a 1-year battery warranty and a 2-year warranty for other components. 2.How to purchase replacement batteries and other accessories: Contact store customer service 【 Strong and durable 】 equipped with a built-in 500W brushless motor and 8*2500mAh lithium-ion battery, the cordless vacuum cleaner can generate excellent suction power of up to 50kPa and achieve interruption free autonomous operation in Eco mode (15 minutes in boost mode) for 60 minutes. The built-in sensor on the LED panel is fully charged in just 4 hours, and can stand the remaining batteries and detect the working status of the wireless vacuum cleaner in time. When the reels brush/host is locked, the LED panel will issue a red alarm to remind you. The cleaning mode can be changed by pressing the "+/-" button. (environmentally friendly/standard/improved) two in one dr...