Lenovo S9 manual „ Checking battery status, „ Using the AC adapter

Chapter 2. Using your computer

„Checking battery status

You can determine the percentage of battery power remaining by using Windows Power Options.

As each computer user has different habits and needs, it is difficult to predict how long a battery charge will last.

„Using the AC adapter

The power to run your computer can come either from the lithium-ion (Li- ion) battery pack provided with it, or from AC power through the AC adapter. While you use AC power, the battery charges automatically.

The AC adapter that comes with your computer has two basic components:

1 The transformer pack that converts AC power for use with the computer.

2 The power cord that plugs into the AC outlet and into the transformer pack.

￿Attention:

Using an improper power cord could cause severe damage to your computer.

To use the AC adapter, do the following. Be sure to take these steps in the order in which they are given here.

1Connect the power cord to the transformer pack.

2Plug the power cord into an electrical outlet.

3Connect the AC adapter to the AC power adapter jack of the computer.

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