<;P>;PROBLEM TO BE SOLVED: To provide a battery for a motor-operated reel in which outflow of an electrolytic solution to interior of the outer case can be suppressed. <;P>;SOLUTION: The battery 1 for the motor-operated reel is equipped with a plurality of cells 2 of laminated type, an inner case 3 for housing the cells 2, and the outer case 5 for housing the inner case 3. <;P>;COPYRIGHT: (C)2007,JPO&INPIT