1. A method of estimating and reporting battery runtime, comprising the steps of: acquiring a location of a battery unit; querying a database for test results associated with the location; querying the database for a list of equipment; calculating a load total for the list of equipment; calculating a measure of available power for the location based upon the test results and battery specifications; calculating total available power for the location; calculating estimated runtime based upon a power requirement compared to available power; displaying a result based upon estimated runtime.