System and method for green battery conditioning
An information handling system includes an information handling subsystem, a power supply unit operably connected to the information handling subsystem, and a battery power subsystem operably connected to the information handling subsystem and having a controller. The controller configured to enter a learning mode of the battery power subsystem when the information handling subsystem is in a normal power state, enable a regulator output of a regulator of the battery power subsystem to provide power from a battery of the battery power subsystem at a learning mode current limit and at a learning mode voltage level to the information handling subsystem, provide, via the regulator output, power from the battery at a constant learning mode current level and at the learning mode voltage level to the information handling subsystem, and determine that the battery has been discharged to an acceptable discharge level.
1. A method, comprising:
determining, by a controller of a battery power subsystem, whether an information handling subsystem is in a normal power state;
entering, by the controller of the battery power subsystem, a learning mode of the battery power subsystem in response to the determination that the information handling subsystem is in the normal power state, wherein a power supply unit provides power to the information handling subsystem in the learning mode and the learning mode builds a battery discharge curve of a battery of the battery power subsystem;
setting a learning mode current limit and a learning mode voltage level;
enabling a regulator output of a regulator of the battery power subsystem to provide power from the battery of the battery power subsystem at the learning mode current limit and at the learning mode voltage level to the information handling subsystem while the battery power subsystem is in the learning mode;
providing, via the regulator output, power from the battery at the learning mode current limit and at the learning mode voltage level to the information handling subsystem while the power supply unit provides power to the information handling subsystem in the learning mode, wherein an amount of power provided from the power supply unit to the information handling subsystem is reduced by the amount of power provided from the battery based on the learning mode current limit and the learning mode voltage level, wherein the battery provides power to the information handling subsystem concurrently with the power supply unit in the learning mode; and
determining that the battery has been discharged to an acceptable discharge level.
2. The method of claim 1 , further comprising:
in response to determining that the battery has been discharged to the acceptable discharge level, entering a charging mode of the battery power subsystem.
3. The method of claim 1 , wherein the acceptable discharge level of the battery is greater than a backup charge level of the battery that is required to support a backup event of the information handling subsystem.
4. The method of claim 1 , wherein the regulator is a buck regulator to step down a battery voltage level to an information handling subsystem voltage level when the battery voltage level is greater than the information handling subsystem voltage level.
5. The method of claim 1 , wherein the regulator is a boost regulator to step up a battery voltage level to an information handling subsystem voltage level when the battery voltage level is less than the information handling subsystem voltage level.
6. The method of claim 2 , wherein entering the charging mode of the battery power subsystem further comprises:
disabling the regulator output of the regulator;
enabling a charger of the battery power subsystem to receive power from the power supply unit to charge the battery; and
receiving, via the charger, power from the power supply unit to charge the battery.
7. The method of claim 1 , further comprising:
determining that the information handling subsystem is in a power loss state;
entering a backup mode of the battery power subsystem;
enabling the regulator output to provide power from the battery to the information handling subsystem without exceeding a backup mode current limit; and
providing, via the regulator output, power from the battery to the information handling subsystem.
8. The method of claim 7 , wherein a backup mode voltage level is equal to an information handling subsystem voltage level.
9. The method of claim 1 , wherein the learning mode current limit is less than a backup mode current limit.
10. The method of claim 1 , wherein the learning mode voltage level is greater than an information handling subsystem voltage level.
11. The method of claim 1 , wherein the information handling subsystem is one or more of a Redundant Array of Independent Disks (RAID) system, a server, an Uninterruptible Power Supply (UPS) system, and a Non-Volatile Dual Inline Memory Module system.
12. An information handling system, comprising:
an information handling subsystem;
a power supply unit operably connected to the information handling subsystem; and
a battery power subsystem operably connected to the information handling subsystem and having a controller, the controller configured to:
determine whether the information handling subsystem is in a normal power state;
enter a learning mode of the battery power subsystem when the information handling subsystem is in the normal power state, wherein the power supply unit provides power to the information handling subsystem in the learning mode and the learning mode builds a battery discharge curve of a battery of the battery power subsystem;
set a learning mode current limit and a learning mode voltage level to discharge the battery,
enable a regulator output of a regulator of the battery power subsystem to provide power from the battery of the battery power subsystem at the learning mode current limit and at the learning mode voltage level to the information handling subsystem while the battery power subsystem is in the learning mode;
provide, via the regulator output, power from the battery at the learning mode current limit and at the learning mode voltage level to the information handling subsystem while the power supply unit provides power to the information handling subsystem in the learning mode, wherein an amount of power provided from the power supply unit to the information handling subsystem is reduced by the amount of power provided from the battery based on the learning mode current limit and the learning mode voltage level, wherein the battery provides power to the information handling subsystem concurrently with the power supply unit in the learning mode; and
determine that the battery has been discharged to an acceptable discharge level.
13. The information handling system of claim 12 , further comprising:
in response to the determination that the battery has been discharged to the acceptable discharge level, enter a charging mode of the battery power subsystem.
14. The information handling system of claim 12 , wherein the acceptable discharge level of the battery is greater than a backup charge level of the battery that is required to support a backup event of the information handling subsystem.
15. The information handling system of claim 12 , wherein the regulator is a buck regulator to step down a battery voltage level to an information handling subsystem voltage level when the battery voltage level is greater than the information handling subsystem voltage level.
16. The information handling system of claim 12 , wherein the regulator is a boost regulator to step up a battery voltage level to an information handling subsystem voltage level when the battery voltage level is less than the information handling subsystem voltage level.
17. The information handling system of claim 12 , wherein the learning mode voltage level is greater than an information handling subsystem voltage level.
18. A non-transitory computer-readable medium including code for performing a method, the method comprising:
determining whether an information handling subsystem is in a normal power state;
entering a learning mode of a battery power subsystem when the information handling subsystem is in the normal power state, wherein a power supply unit provides power to the information handling subsystem in the learning mode and the learning mode builds a battery discharge curve of a battery of the battery power subsystem;
setting a learning mode current limit and a learning mode voltage level to discharge the battery;
enabling a regulator output of a regulator of the battery power subsystem to provide power from the battery of the battery power subsystem at the learning mode current limit and at the learning mode voltage level to the information handling subsystem while the battery power subsystem is in the learning mode;
providing power from the battery at the learning mode current limit and at the learning mode voltage level to the information handling subsystem while the power supply unit provides power to the information handling subsystem in the learning mode, wherein an amount of power provided from the power supply unit to the information handling subsystem is reduced by the amount of power provided from the battery based on the learning mode current limit and the learning mode voltage level, wherein the battery provides power to the information handling subsystem concurrently with the power supply unit in the learning mode; and
determining that the battery has been discharged to an acceptable discharge level.
19. The non-transitory computer-readable medium of claim 18 , further comprising:
in response to determining that the battery has been discharged to the acceptable discharge level, entering a charging mode of the battery power subsystem.