Compaq Armada E700 Compaq Armada E700 Series Reference Guide - Page 45
Calibrating a Battery Pack
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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. s A battery pack cannot be calibrated unless the utility reports that it needs calibration. s 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. NOTE: A new battery pack must be fully charged within 30 days of first use. Because the calibration process comprises a full charge followed by a full discharge, calibrating a new battery pack meets this full-charge requirement. s Check the calibration of an in-use battery pack periodically and whenever battery charge displays seem inaccurate. NOTE: The more frequently you partially charge and discharge a battery pack, the more frequently you should check the calibration of the battery pack. s While a battery pack is being calibrated, it is fully charged, then fully discharged. s A battery calibration icon in the taskbar displays an Up arrow during the charge phase and a Down arrow during the discharge phase. s A calibration cannot resume if the calibration is stopped or if the computer is shut down or placed in Suspend (Standby) during a calibration. An interrupted calibration must be restarted. s After calibration, a battery pack must be charged before it can be used to run the computer. s The calibration utility calibrates one battery pack at a time and can run while you use the computer or overnight. 5-10 Managing Power