Reference
The charge indicator blinks.
- The charge indicator blinks slowly (every 3 seconds) when the remaining battery level is 15 % or less. Plug in your tablet and charge the battery [Details].
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The charge indicator does not blink while your tablet is turned off, even if the remaining battery level is 15 % or less.
- When the charge indicator blinks fast (every 0.5 seconds), your tablet may be in need of repair. Stop using the tablet and contact the service/support center named in the warranty.