Compaq Presario 2500 Reference Guide - Page 42

Batteries and Power Management, Reference Guide, power source at least once a week.

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Batteries and Power Management Using Battery Power • If your notebook has a wireless on-off button, turn off the wireless function when you're not using it. Press the wireless on-off button to turn off the light. • If you have a PC Card, such as a network card, remove it when you're not using it. Some PC cards use significant power even while they're inactive. • If you work with an application that uses the serial port or a PC Card, exit the application when you finish using it. In addition, follow these suggestions to extend the life of your batteries: • Do not leave batteries unused for long periods. If you have more than one, rotate them. • If you normally use AC power, make a practice of using the battery as your power source at least once a week. • Unplug the AC adapter when the notebook is not in use. • To preserve the life of a battery, be sure to charge it regularly. • For long-term storage, the battery must be charged 20 percent to 50 percent to minimize capacity loss by self-discharge and to avoid deterioration of battery performance. • Avoid using or charging batteries at high temperatures. 34 Reference Guide

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Batteries and Power Management
Using Battery Power
34
Reference Guide
•
If your notebook has a wireless on-off button, turn off the wireless function when
you’re not using it. Press the wireless on-off button to turn off the light.
•
If you have a PC Card, such as a network card, remove it when you’re not
using it. Some PC cards use significant power even while they’re inactive.
•
If you work with an application that uses the serial port or a PC Card, exit the
application when you finish using it.
In addition, follow these suggestions to extend the life of your batteries:
•
Do not leave batteries unused for long periods. If you have more than one,
rotate them.
•
If you normally use AC power, make a practice of using the battery as your
power source at least once a week.
•
Unplug the AC adapter when the notebook is not in use.
•
To preserve the life of a battery, be sure to charge it regularly.
•
For long-term storage, the battery must be charged 20 percent to 50 percent to
minimize capacity loss by self-discharge and to avoid deterioration of battery
performance.
•
Avoid using or charging batteries at high temperatures.