Pro Series Replacement HP Laptop Battery for Select DV / DX Series HP Pavilion Laptops Accessory Power Brand: Aftermarket Equivalent Specifications: 6 Cell ; Voltage 10.8 V (volts) ; Capacity 4400 MAH Chemistry: Lithium Ion ( LI-ION ); Rechargeable - No Memory Effect Free Extended 3 Year Manufacturer's Warranty ; European Quality with Silicon Valley Technology