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: 11.1V Capacity: 4400mAh / 49Wh Warranty: 1 Year This battery only compatible with 10.8V and 11.1V version. Compatible Models and Original Battery Part Number: Dell Inspiron 14 3000 Series (3421), 14 3000 Series (3442), 14 3000 Series (3443), 15 3000 Series (3541), 15 3000 Series (3542), 15 3000 Series (3543), XCMRD, XRDW2, YGMTN, 0MF69, 24DRM, 312-1387, 312-1390, 312-1392, 312-1433 ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.