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Low Battery Pack Conditions
2-3
Low Battery Pack Conditions 2
Table 2-1 gives details on system conditions for each charge level indicated by the
Low-Battery LED.
Table 2-1 Low Battery Pack Conditions
Low-Battery LED Low Battery Condition
LED off. Good Battery
Greater than 15% battery pack charge remaining.
*
*
These are approximate values. The percent of charge remaining indicated by your
operating system or power management software may differ.
LED flashing slowly
(1 second on, 1 second
off).
Low Battery Warning
15% to 8% battery pack charge remaining.
*
LED flashing quickly
(1/2 second on, 1/2
second off).
Very Low Battery Warning
8% or less battery pack charge remaining.
*
LED flashing very slowly
(1 short flash every 4
seconds).
Critically Low Battery
• If the system is running when the charge drops to the
Critically Low Battery level, the system is forced into
Suspend mode.
• If the system is in Suspend mode when the charge drops
to the Critically Low Battery level, the system remains in
Suspend mode.
The system cannot be started or resumed until a charged
battery pack is installed or external power is connected.
LED off, system not
running and will not start.
Discharged Battery
The battery pack charge is not sufficient to provide power in
any mode. After the battery pack drops to the discharged
level, power is supplied to the system by the built-in bridge
battery. The bridge battery can power the system in Suspend
mode for about 3 minutes, after which time any data stored in
memory (suspended data) is lost.
The system cannot be started or resumed until a charged
battery pack is installed or external power is connected.