Ubuntu Manpage: tlp - apply laptop power saving settings

NAME

       tlp - apply laptop power saving settings

SYNOPSIS

       tlp command [parameters] [-- CONFIG_PARAM=value ... ]

DESCRIPTION

       tlp applies power saving settings manually and controls battery care features.

COMMANDS

start Start tlp and apply power saving profile for the actual power source. Also use to apply a changed
configuration or to leave manual mode.

bat Apply battery profile and enter manual mode. Manual mode means that changes to the power source
will be ignored until the next reboot or tlp start is issued to resume automatic mode.

true Alias for bat.

ac Apply AC profile and enter manual mode. Manual mode means that changes to the power source will
be ignored until the next reboot or tlp start is issued to resume automatic mode.

false Alias for ac.

usb Enable autosuspend for all USB devices except those excluded by default or via configuration.

bayoff Turn off optical drive in UltraBay/MediaBay. The drive may be re-enabled by pulling the eject
lever or pushing the media eject button on newer models.

setcharge [start_threshold stop_threshold] [battery]
Change battery charge thresholds temporarily. If your hardware supports only a stop threshold,
set the start value to 0. Configured charge thresholds will be restored at the next boot or by
using tlp setcharge again but without the threshold arguments.

fullcharge [battery]
Charge battery to full capacity. This is done by applying vendor presets to the charge thresholds
temporarily. Configured charge thresholds will be restored at the next boot or by using tlp
setcharge without the threshold arguments.

chargeonce [battery]
Charge battery to the stop charge threshold once. This is done by temporarily lifting the start
charge threshold. The configured start charge threshold will be restored at the next boot or by
using tlp setcharge without the threshold arguments.

discharge [battery] [target_charge_level]
Force a complete or partial discharge of the battery while on AC power.

recalibrate [battery]
Perform a battery recalibration while on AC power: completely discharge the battery and recharge
to 100%. The latter is done by temporarily applying vendor presets to the thresholds. Configured
thresholds will be restored at the next boot or by using tlp setcharge.

diskid Print disk ids for configured drives.

--version
Print TLP version.

-- CONFIG_PARAM=value ...
Append configuration parameters to a command. These temporarily override the system configuration
during execution of that command only and are not kept afterwards. Disclaimer: this feature
exists for the sole purpose of test automation during TLP's development. It is provided as is and
there is no support whatsoever.

NOTES

       Availability of the above battery care commands and the possible charge threshold values always depend on
       laptop vendor or brand, Linux kernel version and TLP version. Check for  actual  availability,  threshold
       ranges and battery names with tlp-stat -b. Follow the link in the SEE ALSO section for details.

       For  laptops  with two batteries, the secondary battery must be specified as a command parameter in order
       to select it. In many cases the main battery will be BAT0, the secondary battery BAT1. When in doubt, the
       output of tlp-stat -b, which lists all batteries, can help.

EXAMPLES

       Change thresholds of the main battery to 70 / 90% temporarily:

              tlp setcharge 70 90

       Charge the secondary battery to full capacity:

              tlp fullcharge BAT1

       Recalibrate the main battery:

              tlp recalibrate

FILES

       /etc/tlp.conf
              System-wide user configuration file, uncomment parameters here to override  default  settings  and
              customization files below.

       /etc/tlp.d/*.conf
              System-wide drop-in customization files, overriding defaults below.

       /usr/share/tlp/defaults.conf
              Intrinsic default settings. DO NOT EDIT this file, instead use one of the above alternatives.

       /run/tlp/run.conf
              Effective settings consolidated from all above files. DO NOT CHANGE this file, it is for reference
              only and regenerated on every invocation of TLP.

       /etc/default/tlp
              Obsolete  system-wide  configuration  file.  DO  NOT  USE  this  file,  it  is evaluated only when
              /etc/tlp.conf is non-existent.

EXIT STATUS

       On success, 0 is returned, a non-zero failure code otherwise.

AUTHOR

       (c) 2025 Thomas Koch <linrunner at gmx.net>

TLP 1.8.0                                          2025-02-04                                             tlp(8)