What is the expected battery life?

Speed 1
Without oscillation: 12 hours
Horizontal or vertical oscillation: 7:30 hours
Horizontal and vertical oscillation: 5 hours

Speed 5
Without oscillation: 10 hours
Horizontal or vertical oscillation: 6 hours
Horizontal and vertical oscillation: 4:10 hours

Speed 10
Without oscillation: 8 hours
Horizontal or vertical oscillation: 4:30 hours
Horizontal and vertical oscillation: 3:20 hours

Speed 15
Without oscillation: 6 hours
Horizontal or vertical oscillation: 3 hours
Horizontal and vertical oscillation: 2:30 hours

For reference only. Tested at an ambient temperature of 18 °C and 48% humidity.