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Is charging of a battery linear?

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deepakvrao

macrumors 6502
Original poster
Oct 16, 2011
335
29
India
Dunno what word to use but if my battery goes from 75% to 95% in 30 minutes, does it mean that the battery will get fully charged in 2.5 hours?

Any personal experiences of how long it takes to fully charge a 13" 2011 MBA?
 
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Powermax

macrumors regular
Aug 11, 2006
231
195
No it is not linear. At first, it is really fast. Towards the end, it gets slower and slower.
 
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