A Quick Fix for “No Batteries Available” & Fans Running Constantly on a MacBook Air | OSXDaily
Battery For Apple MacBook Pro 13"A1278 Genuine OEM A1322 Mid 2009 2010 2011 2012 - Newegg.com
macbook pro 13" battery | Newegg.com
Late 2009 - Mid 2010 MacBook battery
How to Boot MacBook Pro Without a Battery (Older Models 2006 – 2011) | OSXDaily
How to tell if your MacBook battery needs to be replaced.
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Determine battery cycle count for Mac notebooks - Apple Support