[header] How to make battery eliminators [title] Turn the device off, and remove the battery cells. [step] Recharge or properly dispose of them. [title] Cut wood dowels into the right size for the battery you're replacing. 
[step] 1/2 " diameter dowel rod will work for aa cells, and 1.25 " dowel for d cells. Cut the dowels to about the length of the cell not counting the protruding (+) tip; that will be provided using a screw.