Maximizing Battery Operating Time - Toshiba Satellite Pro R50-B series User Manual

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:
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
User's Manual
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.
Processor speed
Screen brightness
Hard Disk Drive power off period
How often and for how long you use the HDD/SSD 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 - you should always ensure the
terminals stay clean by wiping them with a clean dry cloth before
installing the battery pack.
Sleep Mode
about 6 days
about 9 years
Shut Down Mode
about 100 days
about 9 years
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