Enhanced truCELL Premium Replacement Laptop Battery for APPLE A1175 MA348LL/A Macbook Pro for Select 15" notebooks 3/28/2011 Updated Cells for Longer Lasting Performance - Enhanced truCELL Premium Replacement Laptop Battery; Replaces Original Manufacturer's Equipment for Laptop Series Models: A1175 MA348LL/A Specifications: truCELL High Quality: 6 Cell ; Voltage 10.8 V (volts) ; Capacity 5600 MAH Chemistry: truCELL Lithium Ion ( LI-ION ); HIGH GRADE(A) Rechargeable - No Memory Effect ; Utilizes BSP Technology for Surge & Overload Protection, Thermal-Cut-Off; Guards Against Short Circuits QUALITY GUARANTEED - Industry Leading 3 Year Manufacturer's Warranty