Toshiba 2805-s503 User Guide
102
Mobile Computing
Charging batteries
Charging batteries
Charging the main battery
To charge the main battery while it is in your computer, plug the
computer into a live wall outlet. It takes several hours to charge the
battery with the computer off. It takes much longer to charge the
battery while the computer is on.
computer into a live wall outlet. It takes several hours to charge the
battery with the computer off. It takes much longer to charge the
battery while the computer is on.
TECHNICAL NOTE: The battery may take longer to charge
with many applications open at the same time.
with many applications open at the same time.
The battery may not start charging immediately if:
❖
The battery is extremely hot or cold.
To ensure that the battery charges to its full capacity, wait until
it reaches room temperature (50 to 80 degrees Fahrenheit, 10
to 26 degrees Celsius).
it reaches room temperature (50 to 80 degrees Fahrenheit, 10
to 26 degrees Celsius).
❖
The battery is almost completely discharged.
Leave the power connected, and the battery should begin
charging after a few minutes.
charging after a few minutes.
HINT: Once a battery is fully charged, we recommend that
you operate your computer on battery power until the battery
discharges completely. Doing this extends battery life and
helps ensure accurate monitoring of battery capacity.
you operate your computer on battery power until the battery
discharges completely. Doing this extends battery life and
helps ensure accurate monitoring of battery capacity.
Charging the RTC battery
The computer contains an internal battery that provides power for
the real-time clock (RTC) and calendar.
the real-time clock (RTC) and calendar.
During normal use, the main battery keeps the RTC battery
adequately charged. Occasionally, the RTC battery may lose its
charge completely, especially if you have had the computer turned
off for a long time.
adequately charged. Occasionally, the RTC battery may lose its
charge completely, especially if you have had the computer turned
off for a long time.