battery good or bad?

around 4:45 hours wifi, full brightness, browsing news sites, safari, excel file open. or bad? 17" 2012 mbp.

 

with full brightness, good, 1920 x 1200 pixel use lot of power, full brightness.

______________________________________________________
this should answer most, if not all, of battery questions:
apple notebook battery faq by ggjstudios
the f.a.q. includes following topics:

• battery information
• battery life charge
• ac power
• calibration
• battery lifespan
• checking status , health
• charging
• what cycle?
• batteries not covered
• bulging or swelling battery

______________________________________________________​

 

Forums Macs Notebooks MacBook Pro

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless