This is a used, original Apple battery for all models of Apple 17" MacBook Pro.
This battery has been fully charged, fully discharged and fully charged again before using Apple system profiler to determine the current capacity of the battery. This battery, when new, had a quoted capacity of 6800mAh.
This is a grade 3-B battery. The 3 refers to the battery capacity and indicates that it currently holds 60% or more of it's original charge, in this case, more between 4080mAh and 5100mAh. The B refers to the cosmetic condition and indicates that the outer surface may have some scratches or small dents. This is a 68Wh 10.8V battery.
Apple model number : A1189
Condición : Grade-3B
Números de pieza : 661-4618, 661-4231, 661-3974, 020-5091-A, A1189
Garantía : 3 meses