A1057 - New Apple PowerBook G4 17" Battery M9689 M9970High Capacity, DC 10.8V 5400mAh A1039, M8983, M8983G/A, M9326, M9326G/A, MC-G4/17M9462, M9689, M9970 A1039, A1057, Compatible Models:PowerBook G4 M9110LL/A, PowerBook G4 M9462,PowerBook G4 M9689*/A, PowerBook G4 M9689B/A,PowerBook G4 M9689CH/A, PowerBook G4 M9689F/A,PowerBook G4 M9689HK/A, PowerBook G4 M9689KH/A,PowerBook G4 M9689LL/A, PowerBook G4 M9689TA/A,PowerBook G4 M9689X/A, PowerBook G4 M9970*/A,PowerBook G4 M9970B/A, PowerBook G4 M9970CH/A,PowerBook G4 M9970F/A, PowerBook G4 M9970HK/A,PowerBook G4 M9970KH/A, PowerBook G4 M9970LL/A,PowerBook G4 M9970TA/A, PowerBook G4 M9970X/A