A local battery is an electric cell and produces its electricity from the chemical reaction that takes place in it. Batteries normally consist of two or more cells in parallel, or in series. Primary batteries convert their chemicals to electricity only once while secondary batteries can be recharged. A local battery provides power (electrical) to terminal devices or stations. There are many types of local batteries that are in sell by the local battery retailers. Some of these include lead acid batteries that are used in vehicles, non rechargeable batteries (household) and the general purpose rechargeable batteries. There are many local battery retailers in the market throughout the world who sell these local batteries. In fact, even on the e-commerce sites such as Ebay and Amazon one can purchase the local batteries at their own convenience. There is a specific local battery retail website called all-battery.com where one can purchase the local batteries. Most of the local battery retailers sell the dry cell battery. They are of different types from large to miniaturized types that are used in watches and calculators. Dry cells are the most commonly used batteries. They were invented by Sakizou Yai in 1885, and later patented in 1887, by Dr. Carl Gassner, who was a German scientist. It differs from a wet cell because its electrolyte is in a low moisture paste. The wet cells on the other are used in cars since they are cheap and can easily be recharged.