Macbook pro retina 13 battery problem?

Hello, I have macbook pro retina 13 with opened firefox and installed Sophos antivirus.
The battery at 80% says that 5 hours remain. Is that normal? The battery has 3 cycles.
Thanks

No, it's not normal to install Sophos antivirus. Uninstall it: you're MacBook will thank you for it.

Similar Messages

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    You're missing my point. I know that watching movies is more intensive than web browsing and maybe the problem is to do with VLC.
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  • Late 2013 Macbook Pro Retina battery problems?

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  • Macbook Pro Retina battery not charging

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  • Late 2013 macbook pro retina battery question

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    Look at these links.  They will provide you with all the information you need regarding MBP
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    http://support.apple.com/kb/HT1446
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  • How to protect Macbook pro retina battery?

    Hello guys,
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  • Macbook pro retina battery won't charge fully

    Hello,
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    Have you tried resetting SMC?
      Reset SMC.     http://support.apple.com/kb/HT3964
      Choose the appropriate method.
      "Resetting SMC on portables with a battery you should not remove on your own".
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  • 13" macbook pro retina 2013 problem: blank screen when waking up from standby

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  • Late 2013 13" Macbook Pro Retina Battery Issues

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    District_58 wrote:
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    These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
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    syslog -k Sender kernel -k Message CSeq 'n Cause: -' | tail | awk '/:/{$4=""; print}' | pbcopy
    Copy the selected text to the Clipboard by pressing the key combination command-C.
    Launch the built-in Terminal application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
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