All front access battery rack system with insulated bus bar connection

1. A battery rack system comprising:

a controller rack module aligned on a rack;

a battery rack module aligned on the rack, wherein the controller rack module and the battery rack module each comprises an insulated guide bracket;

first and second insulated bus bars aligned perpendicularly to and electrically coupling the controller rack module to the battery rack module along a front side of the rack, wherein the battery rack module and the controller rack module each comprise a positive terminal and a negative terminal, wherein the positive and negative terminals of the controller rack module and the battery rack module are configured to be vertically aligned for the lengths of both the first and second insulated bus bars to be disposed perpendicular to the width of the front side of the rack, wherein each insulated bus bar comprises:

a conductive material comprising conductive connector ends operable to electrically engage with the controller rack module and the battery rack module, wherein the conductive connector ends are enclosed in the insulated guide brackets; and

an insulative material electrically insulating the conductive material between the conductive connectors.

2. The battery rack system of claim 1 further comprising:

a second battery rack module and third and fourth insulated bus bars, wherein the third insulated bus bar couples positive terminals of the first battery rack module and the second battery rack module, and wherein the fourth insulated bus bar couples negative terminals of the first battery rack module and the second battery rack module.

3. The battery rack system of claim 1 , wherein the battery rack module comprises a first battery and a second battery, and wherein the first battery and the second battery are electrically coupled in series.

4. The battery rack system of claim 1 , wherein the conductive connector ends of the insulated bus bar are not exposed when the conductive connector ends are coupled to the battery rack module, the controller rack module, or both.

5. The battery rack system of claim 1 , wherein the insulative material of the insulated bus bar comprises black epoxy or heat shrinkable tubing.

6. The battery rack system of claim 1 , wherein the insulated bus bar comprises a unitary rigid conductive material with exposed conductive connectors on two ends.

7. The battery rack system of claim 1 , further comprising:

an insulation cover substantially enclosing each of the first and second insulated bus bars along the length of the front side of the rack without substantially enclosing the front side of the rack, wherein the insulation cover is comprised of electrically insulative material.

8. A method of powering a battery rack system, comprising:

aligning a controller rack module on a rack;

aligning at least one battery rack module in parallel to the controller rack module on a rack, the at least one battery rack module and the controller rack module each comprising a positive terminal and a negative terminal facing a front side of the rack;

aligning at least one insulated bus bar perpendicularly to the at least one battery rack module and controller rack module;

electrically coupling a first insulated bus bar to the positive terminal of the at least one battery rack module and the controller rack module on the front side of the rack; and

electrically coupling a second insulated bus bar to the negative terminal of the at least one battery rack module and the controller rack module on the front side of the rack, wherein the positive and negative terminals of the controller rack module and the at least one battery rack module are configured to be vertically aligned for the lengths of both the first and second insulated bus bars to be disposed perpendicular to the width of the front side of the rack, wherein each insulated bus bar comprises:

a conductive material comprising conductive connector ends operable to electrically engage with the controller rack module and the at least one battery rack module, wherein the conductive connector ends are enclosed in the insulated guide brackets; and

an insulative material electrically insulating the conductive material between the conductive connectors.

9. The method of claim 8 , wherein the at least one insulated bus bar comprises a rigid conductive material substantially enclosed in an insulative material.

10. The method of claim 9 , wherein none of the conductive material of an insulated bus bar is exposed when the insulated bus bar is coupled to the at least one battery rack module, the controller rack module, or both.

11. The method of claim 9 , wherein the insulative material of the at least one insulated bus bar comprises black epoxy or heat shrinkable tubing.

12. The method of claim 9 , wherein the conductive material of the at least one insulated bus bar comprises aluminum or copper.

13. The method of claim 8 , wherein the at least one insulated bus bar is electrically coupled to the at least one battery rack module on the front face of said battery rack module.

14. The method of claim 8 , wherein the plurality of battery rack modules comprises at least two battery rack modules, and wherein the plurality of insulated bus bars comprises at least four insulated bus bars.

15. The method of claim 8 , further comprising:

coupling an insulation cover to the battery rack system such that each of the at least one insulated bus bar is enclosed.

16. The method of claim 8 , wherein the at least one battery rack module comprises a first battery and a second battery, and wherein the first battery and second battery are electrically coupled in series.

17. A front access battery rack system comprising:

a controller rack module aligned horizontally on a rack;

a plurality of battery rack modules aligned horizontally and parallel to the controller rack module and to one another on the rack, each battery rack module comprising a positive terminal and a negative terminal, wherein the controller rack module and the plurality of battery rack modules each comprises an insulated guide bracket;

a plurality of insulated bus bars aligned vertically and perpendicularly to the plurality of battery rack modules, wherein the controller rack module comprises a positive terminal and a negative terminal, wherein the positive and negative terminals of the controller rack module and the plurality of battery rack modules are configured to be vertically aligned for the lengths of plurality of insulated bus bars to be disposed perpendicular to the width of a front side of the rack, wherein the plurality of insulated bus bars comprises a first set of insulated bus bars and a second set of insulated bus bars, such that:

the first set of insulated bus bars electrically couple the positive terminals of the plurality of battery rack modules and the controller rack module; and

the second set of insulated bus bars electrically couple the negative terminals of the plurality of battery rack modules and the controller rack module.

18. The front access battery rack system of claim 17 , further comprising:

an insulation cover substantially enclosing each of the plurality of insulated bus bars along the length of the front side of the rack without substantially enclosing the front side of the rack, wherein the insulation cover is comprised of electrically insulative material.