Replacement Li-Polymer Internal Notebook Battery for APPLE A1989 MID 2018 A1989 MID 2019 A1989 EMC 3214 A1989 EMC 3358 MR9Q2LL/A MR9R2LL/A MR9T2LL/A MR9U2LL/A MR9V2LL/A MV962LL/A MV972LL/A MV982LL/A MV992LL/A A1965 020-02455 6 Cells 11.4V,5084mAh