Enhanced truCELL Premium Replacement Laptop Battery Accessory Power Brand: Aftermarket Equivalent; Replaces Original Manufacturer's Equipment models: A1185 MA561G/A, MA561LL/A Specifications: 6 Cell ; Voltage 10.8 V (volts) ; Capacity 5800 MAH Lithium Ion, No Memory Effect ; Utilizes BSP Technology for Surge & Overload Protection, Thermal-Cut-Off; Guards Against Short Circuits Free Extended 3 Year Manufacturer's Warranty ; European Quality with Silicon Valley Technology; Customer Satisfaction Guaranteed