Extending battery life

The amount of battery power consumed by your computer depends on such conditions as how often you use it, the operating temperature, and the period in storage (if unused). The following tips can help you to extend the life of your battery:

  • The Lithium Ion battery pack for the these systems is an intelligent battery. It contains a microprocessor to monitor its capacity. Information of remaining battery capacity is passed to the system from the battery pack, and the system indicates the capacity in 1% steps from 0% to 100% with high accuracy. If the indicator appears to be incorrect, it is recommended that you cycle the battery (fully charge, then fully discharge) three times. This may occur when the battery is over charged or discharged.
  • Once you start charging the battery pack, do not use it until it is fully charged.
  • Whenever possible, use the ThinkPad battery power-saving modes:
    • Standby: The LCD and the hard drive are turned off.
    • Suspend: All tasks are stopped and stored in memory to save power.
    • Hibernation: All tasks are stopped. The memory data and the current status of the computer are stored in the hard drive; then the power is turned off.
  • Decrease the LCD brightness.
  • Use Advanced Power Management (APM). Each operating system comes with its own APM.
  • Stop the supply of power to a serial device if it is not in use.
  • Remove the battery pack and keep it in a cool place if you will not be using the computer for a long period
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