It’s the middle of the night and you’ve already drank the contents of your surival kit in a water bottle, can’t find batteries for your flashlight anywhere and really need to drain the lizard… what do you do? First thing’s first when nature calls, and then you fill up your NoPoPo battery with the only liquid you have at your disposal to run your NoPoPo Eco Water-Powered Flashlight Set. The flashlight doubles as a lantern and it holds a charge for up to 10 years. It also charges with water and even beer. But why would you waste perfectly good beer when you can turn that beer into urine to power your flashlight?