Lenovo Yoga Tablet 10 B8000 - Manual (Page 5)

Connect your YOGA TABLET to a power outlet using the included cable and
USB power adapter.
Low battery Fully charged Charging
For more information about battery safety, see the Important Product
Information Guide .
Before using your YOGA TABLET, you might need to charge the battery.
Charge the battery as shown.
Turn on/off
Turn on: Press and hold the On/Off button until
the Lenovo logo is displayed.
Turn off: Press and hold the On/Off button for a
few seconds, then tap Power off .
Charging and turning on/off your YOGA TABLET