AA Batteries can be recharged by using your...

URINE!! Yes that's right! And I'm not kidding... Just use the provided straw to inject your urine into the battery chamber and you can use it to power a flashlight for about 20 hours! Feel disgusted to use your urine? You can also use other types of liquid including beer, apple juice, cola and saliva! Great for environment and your pocket, but seriously I wouldn't want my digital camera to smell of urine...