A bonding system for a tank battery containing a flammable or combustible product being stored or conveyed, including a bonding conductor, an electrically conductive base member mounted on the tank, the electrically-conductive base member electrically connected to the bonding conductor and to ground installed within each tank and also including a flexible conductive medium with an upper end and a lower end and a plurality of fine electrically-conductive metal wires each having a proximal end and a terminal end, the proximal ends of which are intertwined with the flexible conductive medium to be in electrical connection with the electrical conductive medium, the upper end of the flexible conductive medium electrically connected with the electrically conductive base member and a plurality of static drains located proximate to the highest points of the tank battery and electrically bonded to said bonding conductor.