6-2 User’s Manual
TECRA A10/S10/M10/SatellitePro S300
Table 6-1 Power conditions continued
Monitoring of power condition
As shown in the below table, the Battery, DC IN and Power indicators on 
the system indicator alert you to the computer’s operating capability and 
battery charge status.
Battery indicator
Check the Battery indicator to determine the status of the battery pack. 
The following indicator lights indicate the battery status:
 Power on
Power off 
(no operation)
AC adaptor 
not 
connected
Battery charge is 
above low battery 
trigger point
 • Operates
 • LED:  Battery off
DC IN off
Battery charge is 
below low battery 
trigger point
 • Operates
 • LED:  Battery 
 flashes orange
DC IN off
Battery charge is 
exhausted
 Computer shuts down
No battery 
installed
 • No operation
 • LED:  Battery off
DC IN off
Flashing orange The battery charge is low, the AC adaptor must be 
connected in order to recharge the battery.
Orange Indicates the AC adaptor is connected and the 
battery is charging.
Green Indicates the AC adaptor is connected and the 
battery is fully charged.
No light Under any other conditions, the indicator does not 
light.
If the battery pack becomes too hot while it is being charged, the charge 
will stop and the Battery indicator will go out. When the battery pack’s 
temperature falls to a normal range, charging will resume - this process will 
occur regardless of whether the computer’s power is on or off.