This item is a 100% compatible Nextel i50sx, i55sr, i58s Hands Free/Cordlessw/External Mic. 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 Nextel i50sx, i55sr, i58s Hands Free/Cordlessw/External Mic includes a 1 year warranty to guarantee that it has no manufacturing defects.
