History of the battery
OverviewInventionFirst practical batteriesRechargeable batteries and dry cells20th century: new technologies and ubiquitySee also
Batteries provided the main source of electricity before the development of electric generators and electrical grids around the end of the 19th century. Successive improvements in battery technology facilitated major electrical advances, from early scientific studies to the rise of telegraphs and telephones, eventually leading to portable computers, mobile phones, electric cars, and many other electrical devices.
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