This is a high-precision and high-performance battery tester. It can set parameters in the computer software. It can charge and discharge various batteries for testing battery capacity/voltage/current, and do battery cycle testing. Traditional linear equipment, high precision stable performance. Single-point control, using constant current source and constant voltage source double closed-loop control. It is convenient and flexible to connect with the computer through Ethernet, and more devices can be added at any time through the switch.