• Laptop Battery for Apple Macbook Air 11 A1370 (2010) MacBook Air 11" (Late 2010 Version):MC505LL/A (1.4 GHz Core 2 Duo) MacBook Air 11" (Late 2010 Version):MC506LL/A (1.4 GHz Core 2 Duo) MacBook Air 11" (Late 2010 Version):MC506LL/A BTO (1.6 GHz Core 2 Duo) • Compatible Part Numbers: Apple A1375 • Newest Premium Grade Cells: Premium Power Products replacement laptop batteries use premium grade cells to ensure fast charges and low power consumption. • Quality and Compatability : Premium Power laptop batteries are 100% compatible with the original manufacturer and meet CE/FCC/ROHS/UL certified safety standards. • Safety and Protection: Premium Power Products replacement laptop batteries are built with your safety in mind. All of our batteries come with built in circuit protection against: over voltage, over current, over charge, over discharge and over heating (i.e. thermal runaway). • Color: Silver • Condition: New - 100% OEM Compatible • Capacity: 5200mAh • Battery Technology: Li-Ion