How many modes does the H11 Max have? August 31, 2022 09:09 Updated The H11 Max has two modes: Water Absorption Mode and Auto Mode. Related articles What is the battery pack capacity of the H11 Max? Why does H11Max/H11 show the error icons? What are they for? Why does the suction power become weak? What is the weight and dimension of the H11 Max? What is the dirty water tank capacity of the H11 Max?