Review: Apple's mid-2014 13-inch MacBook Pro with Retina display | AppleInsider
Late-2013 15-Inch Retina MacBook Pro Review: Apple's High-Performance Notebook Tops The Field | TechCrunch
How To Calibrate a Mac Laptop's Power System - NewerTech
Review: Apple's mid-2014 15-inch MacBook Pro with Retina display | AppleInsider
MacBook Pro - Wikipedia
15" inch MacBook Pro A1398 Mid 2015 Battery Replacement Repair - YouTube
What is the "real-world" battery life of the "Late 2013" and "Mid-2014" 13-Inch and 15-Inch Retina Display MacBook Pro? How does the battery life compare to earlier models? - Techable
Review: Apple's mid-2014 15-inch MacBook Pro with Retina display | AppleInsider
Apple MacBook Pro 15″ Retina Late 2013 Core i7 2.6GHz Quad-Core 16GB 500GB SSD macOS 10.15 Catalina – Refresh Computers Online Marketplace
Amazon.com: SNSYIY A1398 MacBook Pro Battery A1494 A1618 Replacement for MacBook Pro 15 Inch Retina A1398 (Late 2013, Mid 2014, Early 2015), Laptop Battery A1494 A1618 8440mAh : Electronics
Apple MacBook Pro with Retina Display (15-inch, 2014) review: Still the best higher-res laptop, but the competition is catching up - CNET
A1494 Battery for MacBook Pro 15" Retina A1398 Late 2013-2014
A1494 Battery for MacBook Pro 15" Retina A1398 Late 2013-2014
How To Test A MacBook Battery To See If It Needs Replacing And Replace It | Macworld