BATTERY CHARGING AND DISCHARGING DEVICE AND BATTERY CHARGING AND DISCHARGING SYSTEM

摘要

A battery charging and discharging device and a battery charging and discharging system. The battery charging and discharging system comprises a charging power supply, at least two battery charging and discharging devices which are connected to each other in parallel, a feedback device and a reference output device. The battery charging and discharging device and the battery charging and discharging system can automatically control the charging and discharging current, and increase the utilization rate of equipment.