MIDDLE OR LARGE-SIZED BATTERY MODULE OF IMPROVED SAFETY

摘要

PURPOSE: A battery module preventing the abnormal deviation of battery cells is provided to easily prevent the short circuit on the combining portion of a connection assembly unit and a connection corresponding unit by the moisture. CONSTITUTION: A battery module(400) comprises a connection structure receiving and transmitting a voltage signal and a temperature signal using a wire-typed connection member(420), and plural battery cells or unit modules. One end of the connection member is connected to a connection corresponding unit(432) using a mechanical combination of male-female coupling. A downward curved portion(A) is formed on a wire of the connection member.