Extending Battery Life - Toshiba TECRA M2 User Manual

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.
High capacity Battery pack (8800mAh)
Battery pack (4400mAh)
2nd Battery pack
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.
■
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.
TECRA M2
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 15V indicator should glow green, and the
Battery indicator should glow orange to indicate that the battery
pack is being charged. If the DC IN 15V indicator does not glow,
power is not being supplied. Check the connections for the AC
adaptor and power cord.
Power and Power-Up Modes
about 16 days (Standby mode)
about 50 days (Boot mode)
about 8 days (Standby mode)
about 25 days (Boot mode)
about 6 days (Standby mode)
about 20 days (Boot mode)
30 days
6-12