Compaq Presario Series Equivalent Laptop Battery - OEM Part # 417066-001 432306-001 441425-001 EV088AA HSTNN-LB31 Accessory Power Brand: Aftermarket Equivalent; Replaces Original Manufacturer's Equipment models: 417066-001 432306-001 441425-001 EV088AA HSTNN-LB31 Specifications: 6 Cell ; Voltage 11.1 V (volts) ; Capacity 4400 MAH Chemistry: Lithium Ion ( LI-ION ); Rechargeable - No Memory Effect ; Utilizes BSP Technology for Surge & Overload Protection, Thermal-Cut-Off; Guards Against Short Circuits 1 Year Manufacturer's Warranty ; European Quality with Silicon Valley Technology; Customer Satisfaction Guaranteed