ADCP battery pack Catalog number 150149 35-1300-52.5V from Battery Assemblers Inc 645 Hickman Cir Sanford, FL 32771 Tel: 407-323-3390 Last order 10/00 cost $108 ea. Pack comprises 35 alkaline D cells (duracell mn1300) in series; 5 stacks of 7 cells each, delivering approximately 470 Wh at 0C.