Solar charger for mobile phones

The utility model discloses a solar charger for mobile phones. The solar charger comprises a housing, a rechargeable battery, and an output interface connected with the rechargeable battery. The solar charger further comprises a solar cell panel, a sampling circuit, a source transformation circuit, an A/D conversion circuit, a single chip microcomputer, and a PWM control circuit, wherein the solar cell panel is located on the surface of the housing; the solar cell panel and the rechargeable battery are connected with the A/D conversion circuit through the sampling circuit separately; one end of the source transformation circuit is connected with the solar cell panel; the A/D conversion circuit is connected with the single chip microcomputer; the other ends of the single chip microcomputer and the source transformation circuit are connected with the PWM control circuit separately; and the PWM control circuit is connected with the rechargeable battery. According to the present charger, when a user goes out, the surrounding environment can be utilized reasonably, the solar energy is converted into the electric energy and stored in the rechargeable battery, energy-saving recycling utilization can be fully realized, the utilization efficiency can be improved, and the user can use a mobile phone more conveniently.