Toshiba PORTEGE R700 - Manual (Page 135)

Processor speed
Screen brightness
System Sleep Mode
System Hibernation Mode
Display power off period
Hard disk drive power off period
How often and for how long you use the hard disk drive and external
disk(c) drives, for example, optical disc and floppy diskette drive.
How much charge the battery contained to begin with.
How you use optional devices, such as an ExpressCard, to which the
battery supplies power.
Whether you enable Sleep Mode, which can conserve battery power if
you are frequently turning the computer off and on.
Where you store your programs and data.
Whether you close the display panel when you are not using the
keyboard - closing the display saves power.
The environmental temperature - operating time decreases at low
temperatures.
The condition of the battery terminals - you should always ensure the
terminals stay clean by wiping them with a clean dry cloth before
installing the battery pack.
Retaining data with power off
Refer to User Information Guide about Retaining time.
Extending battery life
To maximize the life of your battery packs:
PORTÉGÉ R700 / Satellite R630
User's Manual 6-7