Device and system suitable for testing electrical performance of square battery cell

The utility model discloses a device and a system suitable for testing the electrical performance of a square battery cell, which are characterized in that a positioning groove is arranged inside a box body, so that the battery cell can be further fixed, and a positive electrode and a negative electrode of a current or voltage sampling line are fixed on a conductive piece through a wiring end of the conductive piece, so that the electrical performance test is carried out. The battery cell testing device is convenient to move for testing and can be placed in environments with different temperatures and humidity, the reliability is greatly improved, meanwhile, each square battery cell is placed in an independent testing space, mutual interference between voltage and current signals can be effectively reduced, and therefore the data accuracy is guaranteed. 本实用新型公开一种适用于方形电芯电性能的测试装置及其系统，其以盒体内部设置定位槽，而可进一步固定电芯，且经导电件的接线端将电流或电压采样线的正极及负极固定于导电件上，从而进行电性能测试，除了便于移动进行测试以外，更可放置于不同温度及湿度之环境中使用，大幅提升其可靠性，同时，每个方形电芯皆置入独立的测试空间，可有效降