The A1321 Battery for MacBook is a high-quality Li-Ion battery designed specifically for Apple MacBook Pro models from 2009 to 2010. With a capacity of 5600 mAh and six battery cells, this black battery provides long-lasting power for your laptop. Manufactured by Apple, this genuine part ensures compatibility and reliability for your MacBook Pro, keeping you connected and productive on the go. Upgrade your MacBook with this reliable and efficient battery for seamless performance and extended usage.