What is the dirty water tank capacity of the H11 Max? August 31, 2022 09:11 Updated The capacity of the dirty water tank is 500ml. Related articles What is the weight and dimension of the H11 Max? How to use the Spot Clean function with the robot ? Why do the maps on the APP overlap and skew? Why does the machine enter the restricted area? How to solve the problem of no water comes out from the water tank？