Unable to Check Battery Level on M30U
Published at: 2026-05-22
Battery indicator and power-off check
Potential Causes
- Battery level is being checked while the device is powered on.
- Battery level is being checked while the device is in standby mode.
- The Level button is not being used correctly.
Troubleshooting Steps
- Power off the device first
Battery level can only be checked when the M30U is powered off. - Short-press the Level button
When the device is off, short-press the Level button to view the remaining battery. - Understand the battery indicator
Each indicator bar represents about 20% battery:- 1 bar = about 20%
- 2 bars = about 40%
- 3 bars = about 60%
- 4 bars = about 80%
- 5 bars = about 100%
- Charge the device if the indicator flashes
If the level indicator flashes, the battery is low. Please charge the device before use.
Details
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