This advanced cell phone plug-in car charger is 100% compatible with the Audiovox CDM8615. 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 Audiovox CDM8615 Advanced cell phone plug-in car charger includes a 1 year warranty to guarantee that it has no manufacturing defects.