High Capacity: With a capacity of 37Wh, this battery provides impressive runtime, allowing you to use your MacBook Air longer without constantly searching for an outlet. Long Standby Time: Enjoy extended operating time that enhances your mobile work and leisure. High Cycle Durability: The battery is designed for many charge cycles, ensuring long-lasting use. Low Self-Discharge: Even when not in use, the battery loses energy slowly and remains ready for action. Overcharge Protection: The battery features built-in overcharge protection, which increases the lifespan and safety of the battery. Genuine Lithium-Ion Polymer Battery: This high-quality battery offers consistent and reliable performance that you expect from an original product. Color: Black. If your current battery lasts less than 90 minutes, it's time for a replacement. With the LMP battery, you can restore the full performance of your MacBook Air and benefit from longer use without constant power supply. Bring your MacBook Air 13" back to its best performance and enjoy improved battery life with the LMP Lithium-Ion Polymer Battery – the ideal choice for those who value quality and reliability.