https://www.hardollenterprises.....com/collections/sol WITHOUT ELECTRICITY: Hardoll solar Flickering flame light features an upgraded 2V 0.35W monocrystalline solar panel that efficiently converts sunlight into electricity. Once fully charged, the solar lamp can provide up to 12 hours of lighting as it is powered by a Built-in 800mAh rechargeable battery. It is incredibly easy to use and very convenient.