This is an All in one Integrated Solar Garden Light with 1.6 Watt Solar Panel 1.6 Watt NICHIA LED with 256 Lumens. It consists of 3.7 volts 2 AH Li-ion battery. Inbuilt Rechargeable Lithium-ion battery provides protection on Overcharging/Discharging of batteries. The light runs from dusk to dawn ensuring to give maximum brightness throughout the night.