Retaining Data With Power Off; Extending Battery Life - Toshiba Satellite L20 Series User Manual

Power and Power-Up Modes

Retaining data with power off

When you turn off your computer with fully charged batteries, the batteries
retain data for the following approximate time periods.
Battery pack (4300 mAh)
Battery pack (2000 mAh)
RTC battery

Extending battery life

To maximize the life of your battery pack:
■
At least once a month, disconnect the computer from a power source
and operate it on battery power until the battery pack fully discharges.
Before doing so, follow the steps below.
1.Turn off the computer's power.
2.Disconnect the AC adaptor and turn on the computer's power. If it
3.Operate the computer on battery power for five minutes. If the battery
4.Connect the AC adaptor to the computer and the power cord to a
5.Charge the battery pack until the Battery indicator glows green.
■
If you have extra battery packs, rotate their use.
■
If you will not be using the system for an extended period, more than
one month, remove the battery pack.
■
Disconnect the AC adaptor when the battery is fully charged.
Overcharging makes the battery hot and shortens life.
■
If you are not going to use the computer for more than eight hours,
disconnect the AC adaptor.
■
Store spare battery packs in a cool dry place out of direct sunlight.
6-10
does not turn on go to step 4.
pack has at least five minutes of operating time, continue operating
until the battery pack is fully discharged. If the Battery indicator
flashes or there is some other warning to indicate a low battery, go
to step 4.
power outlet. The Battery indicator should glow orange to indicate
that the battery pack is being charged. If the Battery indicator does
not glow, power is not being supplied. Check the connections for the
AC adaptor and power cord.
About 3 days (Standby mode)
About 30 days (Boot mode)
About 1 days (Standby mode)
About 30 days (Boot mode)
30 days
User's Manual