Specification: Battery type:Li-ion Voltage:11.4V Capacity:83.6Wh Cells：3cell recharge cycles：500 Operation time: Around 1.5-4hours Compatible Part Number: A1953,A1990 (EMC 3215),A1990 (EMC 3359), 020-02391, 820-01095, 080-333-400,2217-2548 Compatible Models:(Press "Ctrl+F" search your laptop model) for MacBook Pro (15-inch, Model A1990, Mid 2018, Mid 2019) : MacBook Pro 15-Inch (Mid 2018) Model A1990: MR952 MR952LL/A MR952xx/A MUQH2 MUQH2LL/A MUQH2xx/A MR932 MR932LL/A MR932xx/A MR942 MR942LL/A MR942xx/A MR972 MR972LL/A MR972xx/A MR962 MR962LL/A MR962xx/A MacBook Pro 15-Inch (Mid 2019) Model A1990: MV902 MV902LL/A MV902xx/A MV912 MV912LL/A MV912xx/A MV922 MV922LL/A MV922xx/A MV932 MV932LL/A MV932xx/A MV942 MV942LL/A MV942xx/A MV952 MV952LL/A MV952xx/A.
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