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Flooded lead-acid batteries are what you typically find in a gasoline powered car. Invented in 1859 the old wet cell lead acid battery has been with us for a long time. Lead-acid batteries are cheap to manufacture, flexible in their application, have a predictable lifespan and can be recycled. Flooded lead-acid batteries are what you typically find in a gasoline powered car. Invented in 1859 the old wet cell lead acid battery has been with us for a long time. Lead-acid batteries are cheap to manufacture, flexible in their application, have a predictable lifespan and can be recycled. By the 1920s people were tired of having to manually crank start their automobiles. Many people broke their wrists and thumbs trying to get their car started. The first electric start car was introduced by Cadillac which utilized a lead acid battery and an electric start motor.[[File:batterytechnology_s27mr.gif]][[File:classicleadacidbattery.gif]]== Timeline ==1859 - French physician Gaston Planté invented a rudimentary lead-acid battery1912 - Cadillac introduced the first gasoline passenger car with electric start invented by Charles Kettering1953 - Auto manufacturers started the transition from 6v to 12v 1971 - Delco-Remy Freedom Battery hits the market, the first maintenance-free lead acid battery{{:Related:_Automotive_Battery_Pages}}