Retaining Data With Power Off; Extending Battery Life - Toshiba TECRA M5 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 type
High capacity battery pack (8800mAh)
Extended capacity battery pack (7050mAh)
Battery pack (4700mAh)
2nd battery pack (3600mAh)
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
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.
6-14
does not turn on go to step 4.
battery 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 DC IN indicator should glow green, and the
Battery indicator should glow orange to indicate that the battery
pack is being charged. If the DC IN indicator does not glow, power
is not being supplied. Check the connections for the AC adaptor
and power cord.
Retention time
State and Retention Time
about 12 days (Standby Mode)
about 115 days (Boot mode)
about 9 days (Standby Mode)
about 95 days (Boot mode)
about 6 days (Standby Mode)
about 60 days (Boot mode)
about 4 days (Standby Mode)
about 45 days (Boot mode)
30 days
User's Manual