| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible printed substrate capable of performing deformation in response to shape distortion of a battery pack due to a difference in an interval between single cells and suppressing generation of damage such as cracks.SOLUTION: A flexible printed substrate 101 to be attached to a battery pack constituted of aligning a plurality of single cells includes cut portions 3a, 3b arranged so as to cross upper surfaces of the plurality of single cells along an alignment direction of the plurality of single cells, formed like bands of which the longitudinal direction is set to the alignment direction of the plurality of single cells and extended in a width direction. The cut portions include the first cut portion 3a extended from one side end Sto the other side end Sand the second cut portion 3b extended from the other side end Sto the one-side end S. It is also available that the cut portions 3a, 3b are alternately formed along the longitudinal direction or arranged on approximately identical positions in the longitudinal direction. |
