Battery Charging Indicators; Battery Level Indicator - Fujitsu Lifebook T901 User Manual

If you are charging your battery, the Power indicator symbol will remain on even if your LIFEBOOK
Tablet PC is shut off. Even if the system was shut down from Windows, the Power indicator symbol will
remain on if you have an adapter connected.

Battery Charging Indicators

The Battery Charging and Battery Level indicators state whether the Lithium ion battery (Battery 1) or the
optional modular battery (Battery 2) are installed and charging.

Battery Level Indicator

1 1 1
2
The Battery Level indicators display the charge level of the indicated battery pack, as follows:
• Green, solid: Battery is between 50% and 100% charged.
• Orange, solid: Battery is between 13% and 49% charged.
• Red, solid: Battery is between 0% and 12% charged.
• Orange, blinking: Blinks during battery status measurement (Four seconds after the battery is
installed).
• Red, blinking: There is a problem with the battery.
• Off: There is no battery installed.
•
If the battery pack is installed while the power is turned off, the battery level indicator will display
the charge level for five seconds after it blinks orange.
•
If the AC adapter is not connected or the battery pack is not fully charged when the computer is
switched to sleep mode, the indicator will blink. The LED blinks at the rate of one second on/five
seconds off.
•
Batteries subjected to shocks, vibration or extreme temperatures can be permanently damaged.
•
A shorted battery is damaged and must be replaced.
27 - Status Indicator Panel