HP 12-cell Li-Ion Battery Take your productivity and entertainment further with this 12-cell battery that gives you the maximum power available. It even reduces your power consumption?you can work longer than with other types of batteries. Specifications: Dimensions 8 W x 2.3 D x 1.5 H Weight 1.25 lb. Battery Capacity 8800 mAh Battery Voltage 10.8 V Battery Technology Lithium Ion Height 1.5 in Depth 2.3 in Run time for 4 hours for HP Pavilion dv1000 and Compaq Presario V2000 Maximum run time 8 hours, 26 minutes for HP Pavilion dv1000 and Compaq Presario V2000; 7 hours, 15 minutes for HP Pavilion ze2000 and Compaq Presario M2000; 7 hours, 10 minutes for HP Pavilion dv4000 and Compaq Presario V4000 Warranty one-year limited Compatibility HP Special Edition L2000, HP Pavilion dv1000, ze2000, dv4000, dv5000 and Compaq Presario C500T, V2000, M2000, V4000, and V5000 series Notebook PCs