This is the main battery for the MacBook Air 13" Retina late 2018 and mid 2019 models only.
The theoretical capacity of this battery when new was 4,379mAh. This Grade-1 battery is holding between 90-100% of its original capacity, meaning this grade-1 unit will have a full charge capacity of at least 3,941mAh.
Condición : Grado-1
Grade 1 means that this battery has a full charge capacity of 90% or more of its original quoted capacity.
Números de pieza : 661-11676, 020-02457, 2217-2548, A1965
Garantía : 3 meses