Toshiba A50-C PS579C-04J01C Users Manual Canada; English - Page 76
Monitoring battery capacity, Maximizing battery operating time
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The battery is nearly completely discharged. In this instance, leave the AC adaptor connected for a few minutes and the battery should begin charging. The DC IN/Battery indicator might show a rapid decrease in battery operating time when you try to charge a battery under the following conditions: The battery has not been used for a long time. The battery has completely discharged and been left in the computer for a long time. In such cases, do the following: 1. Fully discharge the battery by leaving it in the computer with the power on until the system automatically turns itself off. 2. Connect the AC adaptor to the DC IN 19V jack of the computer, and to a wall outlet that is supplying power. 3. Charge the battery until the DC IN/Battery indicator glows white. Repeat these steps two or three times until the battery recovers normal capacity. Monitoring battery capacity Remaining battery power can be monitored using the following methods. Clicking the battery icon on the Windows Taskbar Via the Battery Status in the Windows Mobility Center window Wait several seconds to monitor the remaining operating time because the computer needs time to check the remaining capacity of the battery pack and then calculate the remaining operating time, based on this together with the current power consumption. Be aware that the actual remaining operating time might differ slightly from the calculated time. With repeated discharges and recharges, the battery capacity will gradually decrease. In view of this, it is noted that an often used, older battery will not operate for as long as a new battery even when both are fully charged. Maximizing battery operating time The usefulness of a battery depends on how long it can supply power on a single charge, while how long the charge lasts in a battery depends on: Processor speed Screen brightness Internal storage drive power off period How often and for how long you use the internal storage drive and external disk drives, for example, optical disc How much charge the battery contained to begin with User's Manual 4-22