The device is a professional equipment for comphrehensive performance festing of various lithium batteries and power battery packs, can quickly detect a
variety of battery functions. The test items include single-string static voltage difference, single-string dynamic voltage difference, single-string internal
resistance difference, charging activation, charging voltage, charging current, charging △ V, charging DCR, charging over-current protection, AC internal
resistance, DC internal resistance, discharge voltage, discharge current, discharge △ V, discharge over-current protection, discharge over-current recovery,
short-circuit protection, short-circuit activation and charging, etc.