This SONY VAIO 729, 731, 735, 748 Series DC Car Air Cord is 100% compatable with the SN1110-10 SONY VAIO 729, 731, 735, 748 Series DC Car Air Cord. 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 SONY VAIO 729, 731, 735, 748 Series DC Car Air Cord includes a warranty to guarantee that it has no manufacturing defects.