A1493 & A1582 Original Battery for A1502 MacBook Pro 13″ Retina for Late 2013, Mid 2014 & Early 2015 - WIT Computers
Apple MacBook Pro 15-Inch Retina Display (2014) Review | PCMag
MacBook Pro Retina Battery 13 Capacity | MacRumors Forums
MacBook Pro (Retina, 13-inch, Mid 2014) - Technical Specifications
MacBook Pro 15" Retina (Late 2013-Mid 2014) Battery - iFixit
MacBook Pro 15" Retina (Late 2013-Mid 2014) Battery – iFixit Store
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Review: Apple's mid-2014 15-inch MacBook Pro with Retina display | AppleInsider
MacBook Pro 15" Retina (Late 2013-Mid 2014) Battery – iFixit Store
Benchmarks and performance - MacBook Pro 13-inch with Retina display (2014) review | TechRadar