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| − | A device that stores [[energy]] and produces [[electric current]] by [[chemical]] action.<ref>http://www.energy.ca.gov/glossary/glossary-b.html#b</ref> | + | A '''Battery''' is a device that stores [[energy]] and produces [[electric current]] by [[chemical]] action. |
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| | + | ===Types of Batteries and Their Uses=== |
| | + | *AA |
| | + | *AAA |
| | + | <ref>http://www.energy.ca.gov/glossary/glossary-b.html#b</ref> |
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| | ==References== | | ==References== |