Solar-powered cell phone battery recharger make use of efficient monocrystalline solar panel, with the attached 1set 1500mAh rechargeable Li-ion batteries. In sunny days, you can use sunlight to charge rechargeable Li battery, you can directly use sunlight to charge various brands of cell phone, MP3\MP4\iPod\Digital Camera with DC power output connector, and can use all these devises while the recharging is proceeding. Indoors, you can use the solar charger to charge Digital products. Fitting Part with a DC adapter, can be used indoors.