UBatteries Compatible 48Whr Battery Replacement For HP Pavilion dv7-4177ca dv7-4177nr dv7-4178ca dv7-4178nr dv7-4179nr dv7-4180us dv7-4182nr dv7-4183cl dv7-4190us dv7-4191nr - 4400mAh, 6 Cell UBatteries Li-Ion Replacement Laptop Battery; Grade A Cell Type: 6 Cell Lithium-Ion | Voltage: 10.8V | Capacity: 4400mAh | Rating: 48Whr CE ROHS Certified One Year Warranty, 30 Days Return