CWK New Ultra High Capacity Laptop Battery [12-Cell / 8800mAh/115WH] for HP Pavilion DM4 DV3-4000 DV5-2000 DV6-3000 DV6-6000 DV7-4000 DV7-6000 Series; Fits WD549AA WD548AA#ABB HSTNN-LB0W 636631-0 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 8800mAh / 12 Cell 90 Day Money Back. Buy with confidence!