Lenovo MacBook Pro A1281 Battery (15″ A1286 OEM Replacement)

This battery is designed for Apple MacBook Pro 15-inch Unibody models (A1286, 2008–2009 generation). It is a built-in lithium-polymer battery used in early MacBook Pro systems, providing stable power for office work, browsing, media playback, and general computing tasks. The most common part number is A1281, also compatible with Apple identifiers such as 661-4833 and 661-5391 depending on production batch and model configuration.