Apple A1022 replacement laptop battery by Amstron is made from the highest quality cells and parts. Amstron provides reliable, high performance replacement batteries for your Apple laptops. The LMA-18 is designed to be 100% manufacturer compatible with Apple OEM part numbers A1022, M8984, M9324, M9572. This precision-engineered battery is designed for use in the Apple PowerBook G4 12 inch series of notebooks.