After introducing the world’s first solar-powered LED light bulb back in June, the Nokero has popped out the second version of the energy-efficient bulb named the “N200” that features a robust design to withstand harsh weather conditions. Levitating the LED enclosure on a pivot to grasp as much light as possible in the daytime, the new lightbulb needs to be flipped over to the north to form a lamp at night. If compared to its predecessor, the N200 produces 60 percent more glow and has three times more life. Working on three modes, on, off and turbo-task, the rainproof lamp produces adequate energy through solar panels to illuminate for six hours on a single day’s charge. Priced at $20 apiece, the N200 is just ideal for trekking and outdoor camping.