Give your laptop a new lease-on-life with a brand new MacBook Pro 15" A1494 battery. This Apple A1494 battery is compatible with the late 2013 Retina Model A1398. Battery made for 15" MacBook Pros made in late 2013 with the part number A1494. Make sure you have the correct battery by checking the battery itself and finding the part number (A1494). Li-polymer battery technology provides longer run times with less weight. MacBook Pro batteries are located inside the laptop requiring you to remove the laptop casing. The installation of this battery does require that you disassemble the battery housing compartment of your laptop with tools that we provide with the battery.