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-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.
Condition : Grade-1
Grade 1 means that this battery has a full charge capacity of 90% or more of it's original quoted capacity.
Part Number(s) : 661-11676, 020-02457, 080-333-4000, 2217-2548, A1965
Warranty : 3months
Compatibility: