DR. BATTERY Professional Series Replacement Notebook Battery: Dr. Battery Professional Series battery is made of quality materials, top grade battery cells to bring your laptop back to life and maintain your laptop service time. Safety First Criteria: All of Dr. Battery Professional Series batteries have short circuit, overheat, and overload protections to maintain the safety of usage. Condition: New Cell Type: Lithium-Ion Device Voltage: 10.8V Capacity: 4400mAh / 48Wh Warranty: 1 Year Compatible Models and Original Battery Part Number: 076-7986127, 31CR19/652, 31CR19/65-2, 31CR19/66-2, 31NR19/65-2, 3ICR19/65-2, 3INR19/65-2, AS10D31, AS10D3E, AS10D41, AS10D51, AS10D56, AS10D5E, AS10D61, AS10D71, AS10D73, AS10D75, AS10D7E, AS10D81, AS10G3E ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.