Automated robotic battery tug

1. A method of selecting and connecting power subsystems, the method comprising:

locating, by a mobile robot including a processor and a motor, at least one first storage subsystem that includes one or more batteries and a second processor that is configured to control charging and discharging of at least one battery among the one or more batteries, wherein the one or more batteries are configured to supply power to a power grid that is external to the at least one first storage subsystem;

attaching, by the mobile robot, to the at least one first storage subsystem;

moving, by the mobile robot, the at least one first storage subsystem to another location; and

connecting, by the mobile robot, the at least one first storage subsystem, to at least one of a second storage subsystem, a second power subsystem, or a second control subsystem located at the other location,

wherein the second storage subsystem includes one or more batteries, and a third processor that is configured to control charging and discharging of at least one battery among the one or more batteries of the second storage subsystem.

2. The method of claim 1 , further comprising:

selecting the first storage subsystem to be connected to the second storage subsystem located at the other location by the mobile robot in order to achieve a collective battery characteristic for the one or more batteries of the first storage subsystem and the one or more batteries of the second storage subsystem.

3. The method of claim 1 , wherein a first power subsystem is configured to be connected to a power line, and the first power subsystem includes a power converter which is configured to convert AC power to DC power when the at least one battery of the first storage subsystem is being charged, and is configured to convert DC power to AC power when the at least one battery of the first storage subsystem is being discharged, and

a first control subsystem is configured to be connected to the first storage subsystem and is configured to be connected to the first power subsystem, the first control subsystem includes a fourth processor, and the fourth processor is configured to control transferring of power between the first storage subsystem and the first power subsystem.

4. The method of claim 1 , wherein the first storage subsystem is held in a container.

5. The method of claim 4 , wherein the container is a storage rack.

6. The method of claim 1 , wherein the first storage subsystem includes at least two batteries.

7. The method of claim 1 , wherein the first storage subsystem has a casing that includes the one or more batteries and the second processor.

8. A power system, comprising:

a storage subsystem having a casing that includes:

a) one or more batteries configured to supply power to a power grid that is external to the storage subsystem, and

b) a processor that is configured to control charging and discharging of at least one battery among the one or more batteries; and

a mobile robot that includes a second processor, a motor, and a battery, and the mobile robot is configured to connect, remove, replace, or configure at least one of the one or more batteries in the storage subsystem.

9. The power system of claim 8 , further comprising:

a power subsystem configured to be connected to a power line, and the power subsystem includes a power converter which is configured to convert AC power to DC power when the at least one battery is being charged, and is configured to convert DC power to AC power when at least one battery of the one or more batteries is being discharged; and

a control subsystem configured to be connected to the storage subsystem and configured to be connected to the power subsystem, the control subsystem includes a third processor, and the third processor is configured to control transferring of power between the storage subsystem and the power subsystem,

wherein the storage subsystem, the power subsystem, and the control subsystem are located at a first location.

10. The power system of claim 9 , wherein the mobile robot is configured to:

locate at least one of a storage subsystem, a power subsystem, or a control subsystem from a different location than the first location,

attach to the at least one of the storage subsystem, the power subsystem, or the control subsystem at the different location, and

move the at least one of the storage subsystem, the power subsystem, or the control subsystem to the first location.

11. The power system of claim 9 , wherein the mobile robot is configured to:

locate at least one of the storage subsystem, the power subsystem, or the control subsystem at the first location,

attach to the at least one of the storage subsystem, the power subsystem, or the control subsystem at the first location, and

remove the at least one of the storage subsystem, the power subsystem, or the control subsystem from the first location.

12. The power system of claim 11 , wherein the mobile robot is further configured to move the removed storage subsystem, the power subsystem, or the control subsystem to a location different from the first location.

13. The power system of claim 12 , wherein the first location is a container configured to hold the storage subsystem, the power subsystem, and the control subsystem.

14. The power system of claim 8 , wherein the mobile robot is configured to move the storage subsystem.

15. The power system of claim 8 , wherein the storage subsystem includes at least two batteries.

16. A method of selecting and connecting power subsystems, the method comprising:

locating, by a mobile robot including a first processor and a motor, a first storage subsystem having a second processor configured to control transfer of power to/from the first storage subsystem;

attaching, by the mobile robot, to the first storage subsystem;

moving, by the mobile robot, the first storage subsystem to another location;

connecting, by the mobile robot, the first storage subsystem to a second storage subsystem having a third processor configured to control transfer of power to/from the second storage subsystem and located at the other location; and

selecting the first storage subsystem to be connected to the second storage subsystem located at the other location by the mobile robot in order to achieve a collective battery characteristic for one or more batteries of the first storage subsystem and one or more batteries of the second storage subsystem.

17. The method of claim 16 , wherein the first storage subsystem includes at least two batteries.

18. The method of claim 16 , wherein the first storage subsystem has a casing that includes the one or more batteries and a second processor.

19. A method of selecting and connecting power subsystems, the method comprising:

locating, by a mobile robot including a processor and a motor, at least one first storage subsystem that includes one or more batteries and a second processor that is configured to control charging and discharging of at least one battery among the one or more batteries, wherein the one or more batteries are configured to supply power to a power grid;

attaching, by the mobile robot, to the at least one first storage subsystem;

moving, by the mobile robot, the at least one first storage subsystem to another location; and

connecting, by the mobile robot, the at least one first storage subsystem, to at least one of a second storage subsystem, a second power subsystem, or a second control subsystem located at the other location,

wherein the second storage subsystem includes one or more batteries, and a third processor that is configured to control charging and discharging of at least one battery among the one or more batteries of the second storage subsystem, and

wherein a first power subsystem is configured to be connected to a power line, and the first power subsystem includes a power converter which is configured to convert AC power to DC power when the at least one battery of the first storage subsystem is being charged, and is configured to convert DC power to AC power when the at least one battery of the first storage subsystem is being discharged.