Lenovo 36795YU, 36822AU, 368229U, 368222U, 368228U manual Battery and ac power, Charging the battery

Chapter 4. Battery and ac power

This chapter provides instructions on how to charge the battery, how to extend the battery life between charges, and how to view the battery status.

Charging the battery

Your tablet is shipped with an ac adapter to charge your tablet from any standard ac power outlet.

Note: The battery is not fully charged when shipped.

To charge the battery, do the following:

1.Plug the ac adapter into a standard ac power outlet.

2.Connect one end of the USB cable to the ac adapter and the other end to the dc-in connector on the tablet.

Figure 4. Connecting the ac adapter with the tablet

3.Disconnect the ac adapter from your tablet when the battery power is full, or leave the ac adapter 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	Tablet off or in screen lock mode
	(Display is on)	(Display is off)
ThinkPad Tablet 2 Dock (fastest	Approved	Approved
charging method)
ThinkPad Tablet AC Adapter	Approved, but the battery will charge	Approved
	slowly
ThinkPad Tablet DC Adapter	Approved, but the battery will charge	Approved
	slowly
A USB connection between the dc-in	This charging method will	Approved, but the battery will charge
connector on the tablet and a USB	compensate the power consumption.	slowly
connector of a personal computer or	The battery will discharge more slowly
other device that complies with the	than usual.
USB 2.0 standards (slowest charging
method)

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