Features: 　　1. Various control methods such as static electricity, charging, discharging, and reverse charging can be realized 　　2. Pulse width/pulse amplitude can be set to realize pulse charging 　　3. It has multiple working modes such as constant current, constant voltage, constant voltage cross current, constant current limit voltage charging, constant current discharge, etc. 　　4. With fixed time, voltage and other stage conversion methods to realize automatic conversion 　　5. With power-down storage function, the incoming call will automatically return to the working state before power-off, realizing unattended