Patent ID: 7012394

Claim:
A battery powered source for an air handling system used for subsurface aeration, comprising: an air pump configured to provide at least one of air under pressure and a partial vacuum; a motor mechanically connected to said air pump; a storage battery for providing power to said motor; a battery charger for charging said storage battery, said battery charger obtaining power from a power source, said power source when operating alone having insufficient capacity to drive a motor of suitable size to operate said air pump satisfactorily; and a control circuit responsive to commands, said control circuit operatively coupled to said storage battery to control a connection of said storage battery to provide power to said motor; whereby, in response to a command, said control circuit connects said storage battery to provide power to said motor, and said storage battery provides sufficient power to operate said air pump satisfactorily for operation of an air handling system used for subsurface aeration.