This is an internal battery for the MacBook Air 13" 2010-2015 models. This higher capacity 54.4Wh battery was only shipped with the 2013-2015 models, but is backwardly compatible with the 2010-2012 models.
When new this battery had a full charge capacity of 7150mAh meaning this grade-1 unit will have a full charge capacity of at least 6435mAh.
Please Note: There are 2 revisions of this part along with multiple Apple part numbers. The 13" 2010-2012 models were shipped with a 7.3v/6700mAh/50Wh battery, referenced as A1377 and A1405. The 13" 2013-2015 models were shipped with a 7.6v/7150mAh/54.4Wh battery, referenced as A1496. These batteries are completely interchangeable but have different full charge capacities. They are referenced as such in the title.
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 : 661-04570, 661-7474, 020-8143, 2217-2548, A1496, F90J, F90K, F90L, F90M
Garantía : 3 meses