| 摘要 |
Disclosed is a battery module including an LED element on a PCB. More particularly, the battery module including at least two battery cells includes a protective circuit board installed at a side surface of the battery module and electrically connected to the battery module, at least one LED element installed on the protective circuit board and displaying changes in operating states of the battery cells, a cover plate provided with a window for light transmission of the LED element and installed at a side surface of the battery module so as to surround the protective circuit board, and a light-transmissive LED cover installed at an inner side of the cover plate to correspond to the window of the cover plate in order to emit light emitted from the LED element. |
