To view the percent of total power remaining in each battery pack in the system, select the Show the Status of All Batteries check box. The three numbered icons correspond as follows to battery pack locations.

1 Computer battery bay

2 Computer DualBay

3 Computer MultiBay

Calibrating a Battery Pack

Calibration increases the accuracy of all battery charge displays.

The calibration utility supports all battery packs that can be used in the computer.

Use the calibration utility both to check the calibration of a battery pack and to calibrate or recalibrate a battery pack.

A battery pack cannot be calibrated unless the utility reports that it needs calibration.

A new battery pack can be charged, then used to run the computer before the battery pack is calibrated. However, the amount of charge in the new battery pack cannot be reported accurately until the new battery pack has been calibrated.

Check the calibration of a used battery pack periodically and whenever battery charge displays seem inaccurate.

While a battery pack is being calibrated, it is fully charged, then fully discharged.

A battery calibration icon in the taskbar displays an Up arrow during the charge phase and a Down arrow during the discharge phase.

A calibration cannot resume if the calibration is stopped or if the computer is shut down during a calibration. An interrupted calibration must be restarted.

After calibration, a battery pack must be charged before it can be used to run the computer.

5-10Managing Power

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Compaq E500 specifications Calibrating a Battery Pack