This is the main battery for the MacBook Air 13" Retina late 2018 and mid 2019 models only.
Battery Specs:
•11.40Vdc
•49.9Whr
•4,379mAh
The theoretical capacity of this battery when new was 4,379mAh. This Grade-2 battery is holding between 75-90% of its original capacity, meaning a full charge capacity of at least 3,284mAh.
Condition : Grade-2
Grade 2 means that this battery has a full charge capacity of between 75% and 90% of its original quoted capacity.
Part Number(s) : 661-11676, 820-01654, 020-02457, 2217-2548, A1965, J6W6
Warranty : 3months
Compatibility: