| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply device which is capable of enhancing durability by protecting an electric device.SOLUTION: A power supply device 1 includes: a battery pack 470, i.e., a battery body having at least one unit cell 50; a control circuit 6, i.e., an electric device arranged on the battery pack 470; and wall bodies 622a-622c arranged on the lateral side of a circuit element 631, i.e., a component constituting the control circuit 6. The height of the wall bodies 622a-622c is greater than that of the circuit element 631. |
