It adopts latest power-consuming componet, with patent, on-line display in real time, test volts of battery, at the same save data or to PC, LCD display, simple operation, high intellectual. You can set volts, current, time, capacity and so on, test and monitor automatically. After charge/discharge, data can be transferred to PC or be transferred to U disk on-site, collecting data throuhg software, generating all kinds of charts, providing scientific basis for analysis performance of battery.