【Compatible models】Battery Compatible with Samsung Helix/XM Radio/XM5/YX-M1Z,2000mAh,3.7V 【Product Features】No Memory Effect, Over-Charge, Over-Discharge, Over-Heat, Over-Current and Short-Circuit Protection. 【Perfect Replace】High capacity circulatory function, perfect replace your original batteries. 【Quality certification】Our battery has a strict quality control standards, has passed the ISO9001, RoHS, and CE certified.The battery was tested many times before it was delivered to the customer. A+ cells ensure longer battery life. 【After-sales service】Buy with confidence. We guarantee 24-hour email support, Please kindly check the compatible Voltage, Cell Size and Connector Type for best fit. The Battery Compatible with Samsung Helix/XM Radio/XM5/YX-M1Z