[sat274life]

Here is a pic of the type of cells I will be using. The measure at 11.5 mm X 5.35 mm (11.5 mm X 21.4 mm for 4). The SE's battery holder is 11 mm X 23 mm. They are 1.2v a piece and only 40 mah , makes for a little less run time but 4.8v will be nice.