This is the internal battery for the MacBook Pro 15" mid 2009 and mid 2010 models, but this battery was originally shipped in the mid 2009 model, with the lower 73Whr capacity.
The theoretical capacity of this battery when new was 6,667mAh. 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 6,000mAh.
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 : ZM661-5476, ZM661-5211, 020-6380-A, A1321
Garantía : 3 meses