A:Answer Hello! Thanks for your inquiry. Replacement battery model #LBMC1286 is compatible with Apple MacBook Pro 15 inch Aluminum Unibody Series. This battery replaces original battery model #’s A1281, MB772, and MB772J/A. If your original battery model # is listed here, then we can confirm #LBMC1286 is the correct replacement battery for your device. If you have any further questions, please feel free to contact us. Thank you!