Dry Battery
A dry battery is a chemical battery that uses a paste electrolyte to generate direct current，and dry battery is a disposable battery that is commonly used in life and is a lightweight battery. With the development of science and technology, dry batteries have developed into a large family, and there have been about 100 kinds so far，common zinc-manganese dry batteries, zinc air batteries, silver oxide batteries, etc. Dry batteries are not only suitable for flashlights, semiconductor radios, tape recorders, cameras, electronic clocks, toys, etc., but also for various fields of national economy such as national defense, scientific research, telecommunications, navigation, aviation, medicine, etc, very easy to use. In addition, it should be noted that dry batteries contain heavy metals and cannot be discarded after use，Should be handled by professionals.
