This DFT-6600 Tester can charging, discharge, single body detection, online monitoring and activation of 5-in-1 multi-purpose, which Reduce the cost and reduce the labor intensity of maintenance personnel, and provide comprehensive scientific detection methods for battery and UPS power maintenance. This DFT-6600 Tester adopts new power consumption components, patented technology manufacturing, to achieve constant current discharge, Smart 3-stage charging, equal-charge / float-charge, constant current / constant voltage automatic conversion function; Real-time online circuit detection of the voltage of each single battery or the entire String of batteries, Real-time online display, detection, recording of the voltage of a single cell or the entire String of batteries, storing or transmitting the data to the PC; Large-screen LCD display, full English menu prompts, easy to operate, high degree of smart, Set and control voltage, current, time, capacity and other parameters, automatically complete the test and monitoring of various parameters of the battery string; Automatic discharge/charging, which can activate the battery and extend the service life of the battery. After charging/discharging, the detected data can be directly uploaded to the PC through the RS232 interface or transferred to the U-disk on site; The supporting data processing software processes the data information collected by the discharge/charging, analyzes the remaining capacity of the battery, and generates various charts, which provides a scientific basis for analyzing the performance of the battery