You might think of the above picture as some kind of air freshener for your car. Well it is a really cool system designed by Signa Chemistry to recharge your phone with the help of teaspoon of water.
Via: Electronics Lab
“The company, working with partners, has developed a recharge system that requires just a tablespoon of water, a small metal tin the size of a snuff container and a plastic container about the size of an eyeglass case. Put all the pieces together and in about 15 seconds, you can start recharging your GPS device, phone or camera. The system produces about the same amount of power as 4 AA batteries and will give you about 10 hours of phone battery life.”