Solar charging bulbs may help illuminate areas with little or no power. The $15 Nokero N200 solar charging light bulb, even in bad weather, can last for up to six hours. It is designed for areas that are restricted from electricity or electricity, but it can also be used for camping or during power outages. The N200 is the second generation of N100 bulbs manufactured by Denver-based companies. The second-generation bulbs also won the 2013 U.S. Patent and Trademark Office’s Patent Humanities Award. The light bulb is not designed to replace the normal version of the light bulb, but instead replaces kerosene lamps and other similar equipment used in poor areas.
The N200 bulb is larger than a typical conventional bulb. It takes about a day to charge in low light, but the charge time in bright sunlight is reduced to four hours. Solar energy will be stored in a 1000 mAh nickel-metal hydride battery. The company claims it can last for two years and it can be replaced for one dollar. Each bulb costs $15. Power saving mode means that the light bulb will only be illuminated under certain light conditions.

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