![](/images/backgrounds/288028/hp-compaq-presario-a900-cto-notebook-pc-notebook-tour-guide-17420518x1.png)
Additional hardware components
Component | Description | |
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(1) | Power cord* | Connects an AC adapter to an AC outlet. |
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(2) | AC adapter | Converts AC power to DC power. |
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(3) | Battery* | Powers the computer when the computer is not plugged into |
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| external power. |
*Batteries and power cords vary in appearance by region and country.
12 Chapter 2 Components