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How many coulombs of charge can a 12-Volt battery with a 80 amp·hr life provide?

Mar 06, 2008 by science_girl2008 | Posted in Physics

We normally describe instil in terms of how long a certain current can be sustained, in amp·hr.
How many coulombs of indict can a 12-Volt battery with a 80 amp·hr life provide?
Coulombs

How much energy can this battery victual over its life?

Impediment equals current multiplied by times
Q = I·t
Moreover
1A [=] 1 C/s

So the assumption value 80amphr specifies a total charge. Even-handed rearrange the units a little bit:
Q = 80 A·hr
= 80 C/s · 3600s
= 288,000

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