The battery management unit (BMU) Signal flex cable connects the battery to the logic board. This small cable is compatible with MacBook Pro 13" with Retina Display 2016-2017 A1708, 2019 A2159 or 2020 A2289.
Packing Includes: 1x battery management unit (BMU) Signal Flex Cable
Identifying Numbers：
-APN : 923-01448
-PPN : 821-00614-05, 821-00614-A
-Related PN : 923-01189

Compatibility:
-Compatible with MacBook Pro 13" Function Keys Late 2016 A1708 (EMC 2978)
MacBookPro13,1 Late 2016: MLL42LL/A (2.0 GHz Core i5)
MacBookPro13,1 Late 2016: MLL42LL/A (2.4 GHz Core i7)

-Compatible with MacBook Pro 13" Function Keys 2017 A1708 (EMC 3164)
MacBookPro14,1 Mid 2017: MPXQ2LL/A (2.3 GHz Core i5)
MacBookPro14,1 Mid 2017: MPXQ2LL/A (2.5 GHz Core i7)

-Compatible with MacBook Pro 13" Two Thunderbolt Ports 2019 A2159 (EMC 3301)
MacBookPro15,4 Touch Bar, 2 TB 3 2019: MUHN2LL/A or MUHP2LL/A (Space Gray, 1.4 GHz Core i5)
MacBookPro15,4 Touch Bar, 2 TB 3 2019: MUHQ2LL/A or MUHR2LL/A (Silver, 1.4 GHz Core i5)
MacBookPro15,4 Touch Bar, 2 TB 3 2019: BTO (1.7 GHz Core i7)

-Compatible with MacBook Pro 13" Two Thunderbolt 3 ports 2020 A2289 (EMC 3456)
MacBookPro16,3 Touch Bar, 2 TB 3 2020: MXK62LL/A or MXK72LL/A (Silver, 1.4 GHz Core i5)
MacBookPro16,3 Touch Bar, 2 TB 3 2020: MXK32LL/A or MXK52LL/A (Space Gray, 1.4 GHz Core i5)
MacBookPro16,3 Touch Bar, 2 TB 3 2020: BTO (1.7 GHz Core i7)

Notice: Both of the Model "Axxxx"and EMC "xxxx " Number are located beneath the lower case of the laptop, please double check it to determine the compatibility.

Note：

This is NOT fit for macbook pro touch bar 2016 2017 13" A1706 , 15 " A1707

This is NOT fit for macbook pro 13" 2018 2019 A1989 ,15" A1990

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