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)

 

 

 

 

 

© Copyright Lenovo 2012

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Lenovo 36795YU, 36822AU, 368229U, 368222U, 368228U, 36795MU, 36794JU, 36795XU, 367922U Battery and ac power, Charging the battery

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