Batteries exhausted time (A30-C)
When you turn off the power of your computer with batteries fully charged,
the batteries exhaust within the following approximate period.
Battery type Sleep Mode Shut Down Mode
Battery pack
(45 Wh, 4 cell)
about 3 days about 65 days
RTC battery about 7 years about 7 years
Batteries exhausted time (A40-C/R40-C)
When you turn off the power of your computer with batteries fully charged,
the batteries exhaust within the following approximate period.
Battery type Sleep Mode Shut Down Mode
Battery pack
(45 Wh, 4 cell)
about 4 days about 60 days
RTC battery about 8 years about 8 years
Extending battery life
To maximize the life of your battery packs, do the following at least once a
month.
1. Turn off the computer's power.
2. Disconnect the AC adaptor and turn on the computer's power. If it
does not turn on then go to Step 4.
3. 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.
4. Connect the AC adaptor to the DC IN 19V jack of the computer, and to
a wall outlet that is supplying power. The DC IN/Battery indicator
glows amber to indicate that the battery pack is being charged.
However, if DC IN/Battery indicator does not glow, this indicates that
power is not being supplied. Check the connections for the AC adaptor
and the power cord.
5. Charge the battery pack until the DC IN/Battery indicator glows white.
Replacing the battery pack
Be aware that the battery pack is classified as a consumable item.
User's Manual
4-22
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