Users Guide

Using the PrimaryBattChargeCfg feature
This feature allows you to configure the primary battery charging option in the PowerManagement category. The selected
charging mode applies to all batteries installed in the system. Select one of the following modes:
● Auto — Battery settings are adaptively optimized based on your typical battery usage pattern.
● Standard — Charges the battery at a standard rate.
● Express — Charges the battery faster using the express charging algorithm, Dell's fast charging technology.
● Adaptive — Charges the battery in Express Charge mode using the express charging algorithm, Dell's fast charging
technology.
● PrimACUse — Charges the battery while plugged-in, preferred for the users who operate their system while plugged in to
an external power source.
● Custom — The battery charging starts and stops based on the settings specified in Primary Battery Custom Charge Start
and Primary Battery Custom Charge End.
○ CustomChargeStart — Sets the percent value ranging from 50 to 95 at which the custom battery charging should
start.
○ CustomChargeStop — Sets the percent value ranging from 55 to 100 at which the custom battery charging should
stop.
NOTE: CustomChargeStart percent must be less than CustomChargeStop percent, and the minimum difference between
the two can be no less than 5 percent.
Example: To retrieve the current mode of the PrimaryBattChargeCfg attribute.
Get-ChildItem -Path DellSmbios:\PowerManagement\PrimaryBattChargeCfg
If the status retrieved as Custom, then to know the percent when charging starts and ends, retrieve CustomChargeStart and
CustomChargeStop attributes.
Example: To set the battery charging mode as standard.
Set-Item -Path DellSmbios:\PowerManagement\PrimaryBattChargeCfg "Standard"
Example: To set the battery charge mode as custom and then to specify the start time and duration when the battery should
be charged.
Set-Item -Path DellSmbios:\PowerManagement\PrimaryBattChargeCfg "Custom"
● Sets the PrimaryBattChargeCfg attribute to charge battery based on user settings specified in CustomChargeStart and
CustomChargeStop attributes. If the value 'Custom' is chosen,
○ Charging starts based on the battery percent defined in CustomChargeStart.
○ Charging ends based on the battery percent defined in CustomChargeStop.
● Set-Item -Path DellSmbios:\PowerManagement\CustomChargeStart “65” command can be used to start
battery charging at 65%.
● Set-Item -Path DellSmbios:\PowerManagement\CustomChargeStop “95” command can be used to stop
battery charging at 95%.
● Possible values for the CustomChargeStart attribute ranges from 50 to 95 percent and for the CustomChargeStop percent
ranges from 55 to 100 percent.
Using the PeakShiftDayConfiguration feature
This feature allows you to configure the PeakShiftDayConfiguration option in the PowerManagement category. Peak Shift
configuration minimizes AC power consumption during the peak power usage period of the day. During the Peak Shift period, AC
power will not be consumed, and the system runs on battery if the battery charge is more than the set battery threshold value.
After the Peak Shift period, the system runs on AC power, if available, without charging the battery. The system functions
normally using AC power, and recharges the battery after the specified Charge Start Time.
PeakShiftCfg — Enables or disables the peak shift configuration.
● Enabled — Enables the peak shift configuration on specific days for a specific period specified using Peak Shift Start Time,
Peak Shift End Time, and Peak Shift Charge Start Time.
● Disabled — Disables the peak shift configuration feature.
If enabled, configure the following:
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