Toshiba 1805 - Manual (Page 102)

102 Mobile Computing
Charging batteries
Charging the main battery
To charge the main battery, plug the computer into a live AC
outlet.
The battery light glows amber while the battery is being charged.
It takes two to three 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 does not charge while the
computer is consuming full power.
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).
❖ The battery is almost completely discharged.
Leave the power connected, and the battery should begin
charging after a few minutes.
HINT: Once a battery pack is fully charged, we recommend
that you operate your computer on battery power until the
battery pack discharges completely. Doing this extends
battery life and helps ensure accurate monitoring of battery
capacity.
Charging the RTC battery
During normal use, the main battery keeps the RTC battery
adequately charged. Occasionally, the RTC battery may lose its