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The present disclosure sets forth a power management system including a plurality of power management devices configured to transfer power among a plurality of external devices. The power management system includes a first power management device and a second power management device. The first power

The present disclosure sets forth a power management system including a plurality of power management devices configured to transfer power among a plurality of external devices. The power management system includes a first power management device and a second power management device. The first power management device includes a first, second and third communication ports along with first, second and third power ports. The second power management device includes fourth, fifth and sixth communications port along with fourth, fifth and sixth power ports. The first power port of the first power management device is coupled to the fourth power port of the second power management device such that first and second power and the first communications port of the first power management device is coupled to the fourth communications port of the second power management device.

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1. A wearable power management apparatus comprising: an elongated wearable portion comprising a generally flat flexible strap-shaped geometry configured to be worn by a human user, the elongated wearable portion including a mechanically flexible outer material;a first power and communications port d

1. A wearable power management apparatus comprising: an elongated wearable portion comprising a generally flat flexible strap-shaped geometry configured to be worn by a human user, the elongated wearable portion including a mechanically flexible outer material;a first power and communications port disposed directly on the wearable portion at a first discrete location;a second power and communications port disposed directly on the wearable portion at a second discrete location, the second discrete location being spaced along the strap-shaped geometry of the elongated wearable portion apart from the first power and communications port by an intervening portion of the mechanically flexible outer material;a first electrical lead embedded in the wearable portion for routing electrical current at a first electrical lead electric potential level, to and from the first power port;a first electrical parameter sensor embedded in the wearable portion and configured to measure a first electrical lead electrical parameter to and from the first power port;a second electrical lead embedded in the wearable portion for routing electrical current at a second electrical lead electric potential level;a second electrical parameter sensor embedded in the wearable portion and configured to measure the second power electrical parameter;a buck boost converter electrically coupled to both the first electrical lead and the second electrical lead, the buck boost converter being configured to convert electrical current between the first electrical lead electric potential level and the second electrical lead electric potential level at a controlled potential conversion level;a controller being configured to receive operating current from either one of the first electrical lead and the second electrical lead, the controller configured to monitor the first electrical parameter sensor and the second electrical parameter sensor and being configured to output control signals to the buck boost converter, said control signals being determined based on the first electrical lead electrical parameter and the second electrical lead electrical parameter. 2. The wearable power management apparatus as set forth in claim 1, wherein a combined port comprises the first power and the first communication port, the combined power and communications port comprises a snap fitting. 3. The power management system of claim 1, further comprising a first voltage converter configured to convert a first power port potential difference to a first power bus potential difference. 4. The power management system of claim 3, wherein the voltage converter is configured to convert the first power port potential difference to the first power bus potential difference based on a signal communicated through the first power port. 5. The power management system of claim 4, further comprising a second voltage converter configured to convert a second power port potential difference to the first power bus potential difference. 6. The power management system of claim 5, further comprising a third voltage converter configured to convert a third power port potential difference to the first power bus potential difference. 7. The power management system of claim 6, wherein the controller is signally connected to the first power and communications port, the second power and communications port, and a third power and communication port, the first voltage converter, the second voltage converter, and the third voltage converter. 8. The power management system of claim 7, further comprising a master control device electrically connected to the first power port and the first communications port, a power consuming device electrically connected to the second power port and the second communications port, and power providing device electrically and signally connected to the third power port and the third communications port. 9. The power management system of claim 1, wherein the wearable portion includes a shoulder coupling portion. 10. A configurable wearable power management apparatus comprising: at least two elongated wearable portions,each elongated wearable portion comprising:a) a mechanically flexible outer material configured to be worn by a human user;b) a first power and communications port disposed directly on the wearable portion at a first discrete location;c) a second power and communications port disposed directly on the wearable portion at a second discrete location spaced apart from the first power and communications port by an intervening portion of mechanically flexible outer material;d) a first electrical lead for routing electrical current at a first electrical lead electric potential level, to and from the first power port;e) a first electrical parameter sensor configured to measure a first electrical lead electrical parameter to and from the first power port;f) a second electrical lead for routing electrical current at a second electrical lead electric potential level;g) a second electrical parameter sensor configured to measure the second power electrical parameter;h) a buck boost converter electrically coupled to both the first electrical lead and the second electrical lead, the buck boost converter being configured to convert electrical current between the first electrical lead electric potential level and the second electrical lead electric potential level at a controlled potential conversion level;i) a controller being configured to receive operating current from either one of the first electrical lead and the second electrical lead, the controller configured to monitor the first electrical parameter sensor and the second electrical parameter sensor and being configured to output control signals to the buck boost converter, the control signals being determined based on the first electrical lead electrical parameter and the second electrical lead electrical parameter;and wherein the first and second power and communications port of one elongated wearable portion are operatively connectable to either of the first and second power and communications ports of the other elongated wearable portion such that the two elongated wearable portions are configurable with respect to one another as a unitary power management apparatus worn by the human user.