A portable energy storage and power supply system includes a first housing member coupled to a second housing member, the first housing member and the second housing member defining an internal space, a battery disposed within the internal space and configured to store electrical power, a plurality of connectors defining an input for charging the battery and an output for utilizing electrical power from the battery, and a gasket. The gasket includes a base portion coupling the first housing member with the second housing member and a bumper shaped to absorb shock loading.
