6-12
User's Manual
POWER AND
POWER-UP MODES
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 con-
serve 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 Standby 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.
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