15W Solar Panel Kit with Built-in 16000mAh Battery Voltage: 5V/6V/9V/12V
Even during cloudy or rainy weather without sunlight, you won’t have to worry about charging issues. The internal battery powers your devices, ensuring uninterrupted operation. 【Basic Specifications】This 15W high-power monocrystalline silicon solar panel boasts 23% energy conversion efficiency.
