Mobile power system

A power supply comprising:

• a housing defining a compartment;
• a plurality of battery cells supported within the housing;
• a power output port supported by the housing and electrically connected to the plurality of battery cells, the power output port configured to provide DC power to an external device;
• a drawer movably coupled to the housing and received within the compartment;
• and
• a locator tag disposed within the drawer.

A power supply comprising:

• a housing including an upper portion defining a top surface, and a bottom portion defining a bottom surface;
• a plurality of battery cells supported within the housing;
• an aperture extending through the upper portion of the housing to form a handle with the top surface of the housing, the aperture defined between the top surface of the housing and the bottom portion of the housing;
• a plurality of battery cells supported within the housing;
• an electrical interface disposed within the bottom portion of the housing to extend through the bottom surface, the electrical interface electrically connected to the plurality of battery cells and configured to receive charging power from an external power source;
• and
• a power output port disposed within the upper portion of the housing to extend through the top surface of the housing, the power output port electrically connected to the plurality of battery cells and configured to provide DC power to an external device.