1PC New Laptop Battery Internal For Dell inspiron 1440 K450N 1545 PP42L 1525 HP287|Laptop Batteries| - AliExpress
Best Buy: Lenmar Lithium-Ion Battery for Dell Inspiron 1440 and 1750 Series Laptops Lbz316d
Amazon.com: 11.10V,4800mAh,Li-ion,Hi-quality Replacement Laptop Battery for Dell Inspiron 1440, Inspiron 1750, Compatible Part Numbers: This replacement laptop battery can substitute the following part numbers of Dell 0F972N, 312-0940, J414N, K450N ...