14.4 v Replacement for Dell Inspiron 1440,1750 Laptop Battery J399N Battery Type: Lithium-ion (Li-ion) Voltage: 14.40V  Capacity: 2200mAh Rate: 32.00 Wh  No. of Cell : 4 Color: Black  Weight: 282.50 g Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension of your device.