This ADVENT 6416, 6417 AC Adapter is 100% compatable with the TI1506 ADVENT 6416, 6417 AC 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 ADVENT 6416, 6417 AC Adapter includes a warranty to guarantee that it has no manufacturing defects.