These cordless dehumidifiers are greatfor in gun safes, ammo containers, hunting supplies, keeping sealed containers dry, keeping moisture out of your important documents and many more. 

 

In the video below, I go over how these work and how to recharge them. They have so many different uses, to which I have 3 of them and 2 will usually travel with me in my air tight hunting containers to keep my hunting supplies dry. It is even better that I can easily recharge these.