... 5V USB FQ-920WS120W Solar System For Lighting and Mobile Charging(With or Without invert)1.Solar Panel: 20W Mono Solar ... cable, 10 in 1 mobile charging connector *1(Nokia, Micro usb, Usb, Samsung, Sony EricSson, MOTO, LG, Iphone), Digital voltmeter * 2, direct electricity ... . Undervoltage Lamp: will be lighting when the voltage≤10V3. Full Charging Lamp: will be lighting when the voltage>13.6V4. Battery ...