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Care and use of the Battery Pack
2. With repeated discharges and recharges, the battery’s
capacity will gradually decrease. Therefore, an often
used, older battery will not operate for as long as a new
battery even when both are fully charged. In this case,
TOSHIBA Power Saver will indicate a 100% charge for
both the old and new battery, but the displayed estimated
time remaining will be shorter for the older battery.
Maximizing battery operating time
A battery’s usefulness depends on how long it can supply power on a single
charge.
How long the charge lasts in a battery depends on:
❑ How you configure the computer, for example, whether you enable
battery power saving options. The computer provides a battery save mode to
conserve battery power. This mode has the following options:
• Processing speed
• Display auto off
• HDD auto off
• System auto off
• LCD Brightness
❑ How often and how long you use the hard disk and the diskette drive.
❑ How much charge the battery contained to begin with.
❑ How you use optional devices, such as a PC card, to which the battery
supplies power.
❑ Enabling Resume mode conserves battery power if you are frequently turning
the computer off and on.
❑ Where you store your programs and data.
❑ Closing the display when you are not using the keyboard saves power.
❑ Operating time decreases at low temperatures.
❑ The condition of the battery terminals. Make sure the battery terminals stay
clean by wiping them with a clean dry cloth before installing the Battery Pack.