Toshiba 4000 User Guide
96
Power Management
Running the computer on battery power
Running the computer on battery power
Running the computer on battery power
The computer contains a removable lithium ion (Li-ion) battery
pack that provides power when you are away from an AC outlet.
This is the main battery. You can recharge it many times.
pack that provides power when you are away from an AC outlet.
This is the main battery. You can recharge it many times.
The computer has an internal, lithium ion (Li-ion), real-time-clock
(RTC) battery.
(RTC) battery.
The RTC battery powers the RTC memory that stores your system
configuration settings and the current time and date information. It
maintains this information for up to a month while the computer is
turned off.
configuration settings and the current time and date information. It
maintains this information for up to a month while the computer is
turned off.
TECHNICAL NOTE: For optimum DVD performance, always
play DVDs while your computer is connected to AC power.
play DVDs while your computer is connected to AC power.
Charging the batteries
You can charge the main battery in your computer or in an
optional battery charger.
optional battery charger.
NOTE: Use only the battery charger supplied by Toshiba for
use with your computer’s batteries.
use with your computer’s batteries.
To charge the batteries in your computer, plug the computer into a
live electrical outlet. The batteries charge whether the computer is
on or off. It takes approximately three hours to charge the battery
with the computer turned off, or up to 10 hours when the computer
is on.
live electrical outlet. The batteries charge whether the computer is
on or off. It takes approximately three hours to charge the battery
with the computer turned off, or up to 10 hours when the computer
is on.
The main battery light (
) glows amber while the battery is being
charged, and glows green when it is fully charged.