The utility model discloses a novel fuel battery with waterproof effect, including the chamber of placing that is used for putting fuel cell, place the top opening in chamber and be connected with theheat dissipation chamber, the gliding stripper plate of followed heat dissipation intracavity wall that heat dissipation chamber from the top down includes the telescopic telescopic link in proper order, is connected with the telescopic link, the lower extreme in heat dissipation chamber is located the top of placing the chamber to the bottom in heat dissipation chamber has a plurality of through-holes, air accessible through -hole flows in from the heat dissipation intracavity and places in the chamber, there are a plurality of little through -holes the bottom of placing the chamber, the below of placing the chamber is connected with heat dissipation channel, there is an opening at heat dissipation channel's both ends, and the opening is connected with the chamber of dispelling the heat, be connected with one -way slab on two sides in heat dissipation chamber, the opening part that heat dissipation channel was followed to the air passes through in the one -way slab inflow heat dissipation chamber.