Laptop Battery 1.6cells 4400mAh 2.Type:Li ... Good service Laptop Battery for Apple Power Book G4 Series Main Features: Item Specification Battery Type: ... Apple PowerBook G4 15-inch Apple PowerBook G4 15" Series PowerBook G4 15" A1106,PowerBook G4 15" M8980J/A,PowerBook G4 15" M8980LL/A,PowerBook G4 15" M8981J/A,PowerBook G4 15" M8981LL/A,PowerBook G4 15" M9421,PowerBook G4 15" M9421LL/A,PowerBook G4 15" ...