Voltage adaptive solar energy charger with MPPT function

The utility model relates to a voltage adaptive solar energy charger with a MPPT function; the voltage adaptive solar energy charger comprises a solar cell panel, a DC-DC conversion module and a MPPT control module; a control end of the DC-DC conversion module is connected with the MPPT control module; an input end of the DC-DC conversion module is connected with positive and negative polarity ends of the solar cell panel; an output end of the DC-DC module is connected with positive and negative polarity ends of portable charging equipment; the MPPT control module comprises a MCU control unit, and a first voltage detection unit, a second voltage detection unit, a temperature detection unit, an auxiliary power supply and a liquid crystal display unit all connected with the MCU control unit; the auxiliary power supply and the first voltage detection unit are connected with the positive and negative polarity ends of the solar cell panel; the second voltage detection unit is connected with the positive and negative polarity ends of the portable charging equipment. The voltage adaptive solar energy charger has voltage adaptive function, is high in solar utilization rate, fast in charging speed, and can charge a plurality of portable instrument cells.