This is the main internal battery for the late 2009 and 2010 model of white unibody macbook.
This battery originally had a full charge capacity of 5799mAh, so this grade-1 unit will not be below 5219mAh.
Please note that this was originally made for the 2010 model but is backwards compatible for the 2009 model.
Condition : Grade-1
Grade 1 means that this battery has a full charge capacity of 90% or more of its original quoted capacity.
Part Number(s) : ZM661-5585, ZM661-5391, 020-6582-A, A1331
Warranty : 3months
Compatibility: