CONTACT FUNCTION-EQUIPPED MULTICHANNEL CHARGE/DISCHARGE POWER SUPPLY

A contact function-equipped multichannel charge/discharge power supply has: first and second charge/discharge probes respectively connected to positive and negative electrodes of secondary batteries and first and second voltage-measurement probes respectively connected to the positive and negative electrodes of the batteries ; and charge/discharge means each provided for each of the batteries and each connected to a pair of the first and second charge/discharge probes . The power supply includes: trays each having a right-angled-quadrilateral shape in plan view, in which the batteries are arranged longitudinally and laterally at predetermined intervals; and substrates each having the charge/discharge means provided along the batteries arranged in each line in one direction, wherein the substrates are each provided with the first and/or second charge/discharge probes corresponding to the batteries arranged in the each line in the one direction.