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===Meaning===
[[File:BatteryPack.png|right|300px|thumb|These two [[Electrical Cell|electrical cells]] work together as a [[battery]].]]
A [[battery]] is two or more [[Electrical Cell|electrical cells]] joined connected together.
: Singular [[Noun]]: '''Battery'''
| style="height:20px; width:200px; text-align:center;" |The symbol for a [[battery]].
|}
==Key Stage 3==
===Meaning===
A [[battery]] is more than two [[Electrical Cell|electrical cells]], which each have a [[Chemical Potential Energy Store|chemical potential energy store]], connected together in an electrical device.
===About Batteries===
: A [[battery]] made from [[Electrical Cell|electrical cells]] connected in [[Series Circuit|series]] gives a greater [[Potential Difference|potential difference]] allowing it to provide a greater [[Electrical Current|current]].
: A [[battery]] made from identical [[Electrical Cell|electrical cells]] connected in [[Parallel Circuit|parallel]] will have the same [[Potential Difference|potential difference]] as one single [[Electrical Cell|cell]] but will last much longer as it has a greater store of [[Chemical Potential Energy Store|chemical potential energy]].
{| class="wikitable"
|-
|[[File:SquareBatteryParts.png|center|300px]]
|[[File:BatterySymbol.png|center|300px]]
|-
| style="height:20px; width:200px; text-align:center;" |A 9V 'square' [[battery]] is made of 6 [[Electrical Cell|electrical cells]]. Each [[Electrical Cell|cell]] has a [[Potential Difference|potential difference]] of 1.5V.
| style="height:20px; width:200px; text-align:center;" |The symbol for a [[battery]].
|}
==Key Stage 4==
===Meaning===
[[File:BatterySymbol.png|right|300px|thumb|The symbol for a [[battery]].]]
A [[battery]] is more than two [[Electrical Cell|electrical cells]], which each have a [[Chemical Potential Energy Store|chemical potential energy store]], connected together in an electrical device.
===About Batteries===
: An [[battery]] is a source of [[Direct Current|direct current]].
: A [[battery]] made from [[Electrical Cell|electrical cells]] connected in [[Series Circuit|series]] gives a greater [[Potential Difference|potential difference]] allowing it to provide a greater [[Electrical Current|current]].
: A [[battery]] made from identical [[Electrical Cell|electrical cells]] connected in [[Parallel Circuit|parallel]] will have the same [[Potential Difference|potential difference]] as one single [[Electrical Cell|cell]] but will last much longer as it has a greater store of [[Chemical Potential Energy Store|chemical potential energy]].