12 LED Crank And Solar Lantern: Monocrystalline silicon solar panel With 12 LEDs Full charging time: 10 hours under sunshine 12 LED Crank And Solar Lantern:Solar Panel:monocrystalline silicon,5.5V,60-70maNi-Mh battery: 3.6v,800mahLED: lange-angle straw hat LED,each brightness: 1700mcd,3.2-3.4V,20ma .Switch step:4LEDs on, can light for 10 hours under full charge8LEDs on,can light for 5 hours under ...