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Returns are accepted within 14 days
Our products have a 2-year warranty
How many hours can you use the battery of Whisper Flex (ultimate) until it runs out?
That depends on which battery model you have.
For the 4400mAh version applies:
| Booth | Oscillation | Battery life* |
| 1 | Disabled | 8:20 a.m. |
| 1 | Horizontally or vertically | 5:10 a.m. |
| 1 | Horizontally and vertically | 3:30 p.m. |
| 5 | Disabled | 7 hours |
| 5 | Horizontally or vertically | 4:10 a.m. |
| 5 | Horizontally and vertically | 2:50 a.m. |
| 10 | Disabled | 5:30 p.m. |
| 10 | Horizontally or vertically | 3:10 a.m. |
| 10 | Horizontally and vertically | 2:20 a.m. |
| 15 | Disabled | 4:10 a.m. |
| 15 | Horizontally or vertically | 2 hours |
| 15 | Horizontally and vertically | 1:40 a.m. |
* For reference only. Conditions test environment: 18⁰C, 48% humidity.
For the 6300mAh version applies:
| Booth | Oscillation | Battery life* |
| 1 | Disabled | 12 hours |
| 1 | Horizontally or vertically | 7:30 am |
| 1 | Horizontally and vertically | 5 hours |
| 5 | Disabled | 10 hours |
| 5 | Horizontally or vertically | 6 hours |
| 5 | Horizontally and vertically | 4:10 a.m. |
| 10 | Disabled | 8 hours |
| 10 | Horizontally or vertically | 4:30 am |
| 10 | Horizontally and vertically | 3:20 a.m. |
| 15 | Disabled | 6 hours |
| 15 | Horizontally or vertically | 3 hours |
| 15 | Horizontally and vertically | 2:30 am |
* For reference only. Conditions test environment: 18⁰C, 48% humidity.
