7. NoPoPo eco-friendly batteries
Disposal of used-up Batteries has been a great headache to the environmentalists as they contain very harmful pollutants like mercury, hexavalent chrome, lead or cadmium. This entertaining named batteries are a sure entertainment to them as they contain no harmful chemicals. So, it is okay to throw them away after they’ve been used to death.
8. SunCat: Solar Batteries Powered by Sunshine
There are many solar panels available in the market which are capable of charging the batteries. But to charge your batteries you have to put them into panel and take it into sun to charge it. But Knut Karlsen have thought it in a rather simple way. Why don’t put the charger in the battery? When this batteries are discharges, all you have to do is to put it in the sun to get it charged. A green and simple solution to a simple problem.
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