GUARANTEED BRAND NEW SEALED OEM

APPLE ORIGINAL LAPTOP Battery, Lithium Ion, US/Canada A1321
APPLE PART NUMBER: 661-04557
Replaces: 661-5211, 661-5476

COMPATIBILITY:
MacBook Pro: MacBook Pro (15-inch, Mid 2010)
MC371LL/A, MC372LL/A, MC373LL/A A1286

 MacBook Pro (15-inch, Mid 2009)
MB985LL/A, MB986LL/A A1286