Table 8. Power management (continued)
Option Description
option will be blank if it was set to sleep. The Block Sleep
option is disabled by default.
Peak Shift This option enables you to minimize the AC power
consumption at the times of peak demand. When enabled with
user set daily times and threshold value:
● from Peak Shift Start until Peak Shift End, AC power is
not used unless Battery Threshold is reached.
● from Peak Shift End until Peak Shift Charge Start, AC
power is used when available but the battery does not
charge.
● At all other times, AC power is used when available and the
batter is able to charge.
The Enable Peak Shift option is disabled by default. The
battery threshold (15% to 100%) is set to 15% by default.
Advanced Battery Charge Configuration This option enables you to maximize the battery health while
supporting heavy use during the work day. The following takes
place using the user set daily times and time periods:
● from Beginning of Day and lasting for Work Period,
ExpressCharge is used for accelerated battery charging.
● At all other times Standard Charge is used for maximum
battery health.
● Setting Work Period to zero disables this feature for that
day.
The Enable Advanced Battery Charge Mode option is
disabled by default.
Primary Battery Charge Configuration Allows you to select the charging mode for the battery. The
options are:
● Adaptive (enabled by default) — battery settings are
adaptively optimized based on your typical battery usage
patter.
● Standard (disabled by default) — fully charges your
battery at a standard rate.
● ExpressCharge (disabled by default) — the battery
charges over a shorter time using Dell’s fast charging
technology.
● Primarily AC use (disabled by default) — Extends
battery lifespan for users who primarily operate their
system while plugged into an external power source.
● Custom (disabled by default) — Custom select when
battery starts and stops charging
The Custom Charge Start is set at 50 by default. The
Custom Charge Stop is set at 90 by default.
NOTE: Battery settings may not be available for all
battery types. In order to enable this option, Advanced
Battery Charge Mode must be disabled.
POST behavior
Table 9. POST behavior
Option Description
Adapter Warnings Allows you to enable or disable the system setup (BIOS)
warning messages when you use certain power adapters.
74 System setup
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