My acer laptop battery is not working it shows 98% but after using it for few mi

myacer20

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Apr 18, 2010
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18,510
Hello,
my acer laptop battery is not working properly it shows 98% and it show only 26 minutes but after using it for few minutes its goes down to 10% before it was not like this it used to show 2 hrs or more again i charge it goes to 100% in around 45 minutes but after that the same problem please help me