Extending Battery Life - Toshiba Satellite Pro R50-C User Manual

Batteries exhausted time
When you turn off the power of your computer with batteries fully charged,
the batteries exhaust within the following approximate period.
Battery type
Battery pack
(45 Wh, 4 cell)
RTC battery

Extending battery life

To maximize the life of your battery packs, do the following at least once a
month.
1.
2.
3.
User's Manual
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
How you use optional devices, such as a USB device, to which the
battery supplies power
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
System Sleep Mode
System Hibernation Mode
Display power off period
Whether you enable Sleep Mode, which can conserve battery power if
you are frequently turning the computer off and on
The condition of the battery terminals. Always ensure the terminals
stay clean by wiping them with a clean dry cloth before installing the
battery pack
Sleep Mode
about 7 days
about 10 years
Turn off the computer's power.
Disconnect the AC adaptor and turn on the computer's power. If it
does not turn on then go to Step 4.
Operate the computer on battery power for five minutes. If you find
that the battery pack has at least five minutes of operating time,
continue operating until the battery pack is fully discharged. However,
if the DC IN/Battery indicator flashes or there is some other warning
to indicate a low battery condition, go to Step 4.
Shut Down Mode
about 90 days
about 10 years
4-22