Charging protection circuit and rechargeable portable device

The utility model discloses a charging protection circuit and a rechargeable portable device. The charging protection circuit comprises a photovoltaic energy complementing module, an LDO module, a battery charging module, a rechargeable battery, a charging port, a master control module and a switching control module. The output end of the photovoltaic energy supplementing module is connected with the input end of the LDO module, and the output end of the LDO module is connected with the rechargeable battery; the charging port is connected with the input end of the battery charging module; the output end of the battery charging module is connected with the rechargeable battery; the switching control module is connected with the LDO module, and the main control module is used for outputting an enable signal and switching and controlling the battery charging module or the LDO module to enter a working state to charge the rechargeable battery. According to the scheme, when external power is connected for charging