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Figure 8. Connecting the ac charger with the tablet
3. Plug the ac charger into a standard ac power outlet.
4. Disconnect the ac charger from your tablet when the battery power is full, or leave the ac charger
connected to operate from ac power.
Alternatively, you can use any of the following charging methods to safely recharge the internal battery of
your tablet:
Charging method
Tablet on
(Display is on)
Tablet off or in screen lock mode
(Display is off)
ThinkPad Tablet Dock (fastest
charging method)
Approved Approved
ThinkPad Tablet AC Charger
Approved, but the battery will charge
slowly
Approved
ThinkPad Tablet DC Charger
Approved, but the battery will charge
slowly
Approved
A USB connection between the
micro USB connector on the tablet
and a USB connector of a personal
computer or other device that
complies with the USB 2.0 standards
(slowest charging method)
Might not charge due to USB 2.0
power limits.
If the power consumption of the tablet
exceeds USB 2.0 power limits, the
battery will discharge to compensate
for the additional power required by
the tablet.
Approved
Attention: Use only Lenovo approved chargers. Unauthorized chargers could cause severe damage to
your tablet.
30 User Guide