A charging and discharging apparatus (300, 300') comprising: a temperature measuring device (T1, T2, T3, T4, T5, T6) for measuring a temperature of at least one of a plurality of secondary batteries arranged spaced apart from each other along an X-axis direction in an upright state with one side in a Y-axis direction at a bottom thereof; a tray accommodating the plurality of secondary batteries arranged spaced apart from each other in the X-axis direction in the upright state with the one side in the Y-axis direction at the bottom thereof; a charging and discharging probe and a power supplier, which are capable of individually applying power to the plurality of secondary batteries; and a plurality of cooling fans provided to cool down the plurality of secondary batteries and of which directions of wind and outputs are individually adjusted based on temperature information measured by the temperature measuring device according to a location in each of the plurality of secondary batteries, wherein the temperature measuring device comprises: a non-contact temperature sensor unit (200, 210, 220, 230) inserted into a space between the plurality of secondary batteries to measure a temperature of a facing secondary battery in a non-contact manner; and a Z-axis transfer device (130, 140) for ascending or descending the non-contact temperature sensor unit in the Z-axis direction to insert the non-contact temperature sensor unit into the space downward from a location spaced apart from the plurality of secondary batteries upward in the Z-axis direction and withdrawing the non-contact temperature sensor unit in an opposite direction. a temperature measuring device (T1, T2, T3, T4, T5, T6) for measuring a temperature of at least one of a plurality of secondary batteries arranged spaced apart from each other along an X-axis direction in an upright state with one side in a Y-axis direction at a bottom thereof; a tray accommodating the plurality of secondary batteries arranged spaced apart from each other in the X-axis direction in the upright state with the one side in the Y-axis direction at the bottom thereof; a charging and discharging probe and a power supplier, which are capable of individually applying power to the plurality of secondary batteries; and a plurality of cooling fans provided to cool down the plurality of secondary batteries and of which directions of wind and outputs are individually adjusted based on temperature information measured by the temperature measuring device according to a location in each of the plurality of secondary batteries, wherein the temperature measuring device comprises: a non-contact temperature sensor unit (200, 210, 220, 230) inserted into a space between the plurality of secondary batteries to measure a temperature of a facing secondary battery in a non-contact manner; and a Z-axis transfer device (130, 140) for ascending or descending the non-contact temperature sensor unit in the Z-axis direction to insert the non-contact temperature sensor unit into the space downward from a location spaced apart from the plurality of secondary batteries upward in the Z-axis direction and withdrawing the non-contact temperature sensor unit in an opposite direction. a non-contact temperature sensor unit (200, 210, 220, 230) inserted into a space between the plurality of secondary batteries to measure a temperature of a facing secondary battery in a non-contact manner; and a Z-axis transfer device (130, 140) for ascending or descending the non-contact temperature sensor unit in the Z-axis direction to insert the non-contact temperature sensor unit into the space downward from a location spaced apart from the plurality of secondary batteries upward in the Z-axis direction and withdrawing the non-contact temperature sensor unit in an opposite direction.