This DELL Latitude 425, 433 Replacement Battery is 100% compatable with the H240AE-8ASTB DELL Latitude 425, 433 Replacement Battery. Our batteries and accessories are made with high quality parts and are guaranteed to meet or exceed the original equipment manufacturers specifications at a reduced price. All batteries are tested for 100% quality control assurance. This DELL Latitude 425, 433 Replacement Battery includes a warranty to guarantee that it has no manufacturing defects.