Patent ID: 8084993

Claim:
A method of providing batteries to power electrically operated equipment at a site, said method comprising the steps of: positioning a first plurality of batteries on battery support structure of a manually maneuverable first wheeled cart to form a first battery bank module; positioning a second plurality of batteries on battery support structure of a manually maneuverable second wheeled cart to form a second battery bank module; bringing said first and second battery bank modules into end to end relationship; releasably connecting said first and second battery bank modules to maintain the end to end relationship therebetween and form a train of battery bank modules comprising at least said first and second battery bank modules; moving said train of battery bank modules to said site; at said site, placing the batteries of a selected number of the battery bank modules into electrical communication with electrically operated equipment at said site; and employing the batteries of said selected number of battery bank modules in electrical communication with electrically operated equipment at said site to power said electrically operated equipment.