OEM Macbook Pro Battery A1527 for 12” A1534 A1705

A1527 A1705 020-8504

For MacBook 12 inch Retina A1534 (Early 2015 2016 Mid 2017) Series
For MacBook 12″ Retina A1534 (EMC 2991)
For MacBook 12″ Retina A1534 (EMC 2746)
For MacBook 12″ Early 2015 (Gold): MK4M2LL/A (1.1 GHz Core M)
For MacBook 12″ Early 2015 (Space Gray): MJY32LL/A (1.1 GHz Core M)
For MacBook 12″ Early 2015 (Silver): MF855LL/A (1.1 GHz Core M) EMC 2746
For MacBook 12″ Early 2015 (Gold): MK4N2LL/A (1.2 GHz or 1.3 GHz Core M)
For MacBook 12″ Early 2015 (Space Gray): MJY42LL/A (1.2 GHz or 1.3 GHz Core M)
For MacBook 12″ Early 2015 (Silver): MF865LL/A (1.2 GHz or 1.3 GHz Core M) EMC 2746
For MacBook 12″ Early 2015 1.3GHz Core M (Model A1534-BTO/CTO EMC 2746)
MLH72LL/A, MLH82LL/A, MLHA2LL/A, MLHC2LL/A, MLHE2LL/A, MLHF2LL/A, MMGL2LL/A,
MMGM2LL/A, MK4M2CH/A, MNYG2LL/A, MF855CH/A, MF865CH/A, MJY42CH/A.

For MacBook 12 inch Retina A1534 (Mid 2017) Series:

For MacBook 12 inch Retina A1534 (EMC 3099)
MNYF2LL/A, MNYG2LL/A, MNYH2LL/A, MNYJ2LL/A, MNYK2LL/A, MNYL2LL/A, MNYM2LL/A, MNYN2LL/A.

It is advisable to avoid waiting until the battery is fully charged before recharging, as this can put a lot of pressure on the battery and cause damage. A more feasible approach is to charge when there is around 20-30% remaining battery. In fact, there is a limit to the number of times a laptop battery can be used up/charged, and using it all up before recharging will greatly shorten the battery life. At the same time, batteries should be charged in a relatively dry place, and attention should also be paid to heat issues, which is the enemy of batteries.