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What can we help you with?
Returns are possible within 14 days
Our products have 2 years warranty
How many hours can you use the battery of Whisper Flex (ultimate) until it runs out?
It depends on which model of battery you have.
For the 4400mAh version:
| Position | Oscillation | Battery life* |
| 1 | Disabled | 8:20 a.m. |
| 1 | Horizontal or vertical | 5:10 a.m. |
| 1 | Horizontal and vertical | 3:30 a.m. |
| 5 | Disabled | 7 hours |
| 5 | Horizontal or vertical | 4:10 a.m. |
| 5 | Horizontal and vertical | 2:50 a.m. |
| 10 | Disabled | 5:30 a.m. |
| 10 | Horizontal or vertical | 3:10 a.m. |
| 10 | Horizontal and vertical | 2:20 a.m. |
| 15 | Disabled | 4:10 a.m. |
| 15 | Horizontal or vertical | 2 hours |
| 15 | Horizontal and vertical | 1:40 a.m. |
* For reference only. Conditions test environment: 18⁰C, 48% humidity.
For the 6300mAh version:
| Position | Oscillation | Battery life* |
| 1 | Disabled | 12 hours |
| 1 | Horizontal or vertical | 7:30 a.m. |
| 1 | Horizontal and vertical | 5 hours |
| 5 | Disabled | 10 hours |
| 5 | Horizontal or vertical | 6 hours |
| 5 | Horizontal and vertical | 4:10 a.m. |
| 10 | Disabled | 8 hours |
| 10 | Horizontal or vertical | 4:30 a.m. |
| 10 | Horizontal and vertical | 3:20 a.m. |
| 15 | Disabled | 6 hours |
| 15 | Horizontal or vertical | 3 hours |
| 15 | Horizontal and vertical | 2:30 a.m. |
* For reference only. Conditions test environment: 18⁰C, 48% humidity.
