MacBook Pro 15 Inch Mid 2009 2.66 GHz Intel Core 2 - NO Battery | eBay
15-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
MacBook Pro 13" Unibody Mid 2009 Teardown - iFixit
MacBook Pro 13" Mid 2009 EMC 2326 - used original spareparts for Macs
It's old as heck but still kicking! Mid 2009 MacBook Pro (MacBook Pro 5,5) I'm hoping to use opencore legacy patcher to install Monterey on it. : r/ macbookpro