This DELL Latitude 425, 433 DC Car Adapter is 100% compatable with the DE1101-10 DELL Latitude 425, 433 DC Car Adapter. 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 DC Car Adapter includes a warranty to guarantee that it has no manufacturing defects.