Charger baby transformed by waste battery

The utility model discloses a charger baby transformed by a waste battery. The charger baby comprises a housing, and a cover body. The housing is provided with a charging interface and a discharging interface. The housing is internally fixedly provided with a waste battery and a circuit board. The circuit board is integrated with a charging circuit and a discharging circuit. The charging interface is connected with the waste battery through the charging circuit. The discharging interface is connected with the waste battery through the discharging interface. The charging interface is a USB interface. The charging circuit comprises a diode. The power line pin of the USB charging interface is connected with the anode of the diode, and the cathode of the diode is connected with the anode of the waste battery. The grounding end of the USB charging interface is connected with the cathode of the waste battery. The discharging interface is a USB interface. The discharging circuit comprises a three-end voltage stabilization block. The anode of the waste battery is connected with the input end of the three-end voltage stabilization block. The output end of the three-end voltage stabilization block is connected with the power line pin of the USB discharging interface. The grounding end of the USB discharging interface and the grounding end of the three-end voltage stabilization block are connected with the cathode of the waste battery.