SOLAR-POWERED DEVICE FOR CHARGING A BATTERY UNIT OF A MOBILE TELEPHONE HANDSET

摘要

PURPOSE: Provided is a solar device for charge of cellular phone, which can charge the cellular phone by simply separating a battery cap of housing of the cellular phone and exposing a battery of the cellular phone to proper light source(for example, solar energy), when user needs to charge the battery. CONSTITUTION: The solar device(1) for charge of cellular phone, which is positioned in battery(3) of cellular phone, comprises an optical sensor; a photoelectric conversion circuit which is functionally connected to the optic sensor so as to convert a light sensed by the optic sensor to corresponding current signal; and a current processing circuit for receiving and processing a current signal(which will be converted to charge current), which is electrically connected to the photoelectric conversion circuit.