How many hours can you use the battery of Whisper Flex (ultimate) until it runs out?

The battery life depends on which model you have and the settings used. Below you will find the estimated duration for both versions.

4400mAh Version

Speed Level 1

• Oscillation disabled: 8 hours and 20 minutes
• Horizontal or vertical oscillation: 5 hours and 10 minutes
• Horizontal and vertical oscillation: 3 hours and 30 minutes

Speed Level 5

• Oscillation disabled: 7 hours
• Horizontal or vertical oscillation: 4 hours and 10 minutes
• Horizontal and vertical oscillation: 2 hours and 50 minutes

Speed Level 10

• Oscillation disabled: 5 hours and 30 minutes
• Horizontal or vertical oscillation: 3 hours and 10 minutes
• Horizontal and vertical oscillation: 2 hours and 20 minutes

Speed Level 15

• Oscillation disabled: 4 hours and 10 minutes
• Horizontal or vertical oscillation: 2 hours
• Horizontal and vertical oscillation: 1 hour and 40 minutes

* For reference only. Conditions test environment: 18⁰C, 48% humidity.

For the 6300mAh Version applies:

Speed Level 1

• Oscillation disabled: 12 hours
• Horizontal or vertical oscillation: 7 hours and 30 minutes
• Horizontal and vertical oscillation: 5 hours

Speed Level 5

• Oscillation disabled: 10 hours
• Horizontal or vertical oscillation: 6 hours
• Horizontal and vertical oscillation: 4 hours and 10 minutes

Speed Level 10

• Oscillation disabled: 8 hours
• Horizontal or vertical oscillation: 4 hours and 30 minutes
• Horizontal and vertical oscillation: 3 hours and 20 minutes

Speed Level 15

• Oscillation disabled: 6 hours
• Horizontal or vertical oscillation: 3 hours
• Horizontal and vertical oscillation: 2 hours and 30 minutes

* For reference only. Tested at 18°C and 48% humidity.