UpBright AC Adapter Replacement For Stamina Products 55-1779 551779 55-1537C 55-1772 55-1521 55-1539 55-1539A 55-1611 55-1531 50-0220 55-1527B 55-1529B 55-1615 Elliptical Fitness Equipment Power Cord World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright NEW AC / DC Adapter Replacement For Stamina Products 55-1779 551779 55-1537C 551537C 55-1772 551772 55-1521 551521 55-1539 55-1539A 551539 551539A 55-1611 551611 55-1531 551531 50-0220 500220 55-1527 55-1527B 55-1527C 551527 551527B 551527C 55-1529B 551529B 55-1615 551615 Elliptical Fitness Equipment Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU