A1618 Battery for MacBook Pro 15'' Retina A1398 (Late 2013, Mid 2014, Early 2015)
Battery A1494 for Macbook pro 15 A1398 (MacBookpro11.2/MacBookpro11.3)
Battery A1618 for Macbook pro 15 A1398 (MacbookPro 11,4/MacbookPro 11,5)
This battery doesn't fit A1398 Mid 2012 Early 2013 version!!!
Compatible Model:
ME293xx/A ME294xx/A MGXA2xx/A MGXC2xx/A MJLQ2xx/A MJLT2xx/A MJLU2xx/A.
Compatible Parts Numbers:
Macbook Pro 15 inch Retina Display ME294 (Mid 2014);
Macbook Pro 15 inch Retina Display ME293 (Late 2013);
Macbook Pro 15 inch Retina Display MJLQ2 MJLT2 MJLU2 (2015).
Install A New Battery:
1. You need to turn off your laptop and disconnect the power.
2. Remove the old battery, carefully install the new battery on the battery case, and connect the wiring of the new battery.
3. If you don't understand the above steps, you can search for thevideo about laptop battery installation on YouTube. Maybe it will helpyou.
Laptop Maintenance Tips:
1. New battery: For use a new battery, youd better try a few cycles ofdischarging to 5%. then charging up to 95%. So that it can be activatedcompletely
2. Overuse: Do not always run out of a battery to 0%, this would make it damaged or usage life shortened
3. Charging sequence: when charging, first install the battery, thenturn on the power, when fully charged, first cut off the power, thenpull the power plug.
4. Long-term storage:Please storethe unused battery fully charged.(Charge it once a month) Do not storeat low power to prevent reduce the lifespan of a battery
5. Charger: Do not replace the laptop adapter casually. If the originaladapter cannot be applied due to malfunction or damage, please replacethe models, so as not to reduce the service life of the battery due toincompatibility.