3-Pin 50V AC/DC Adapter for SINPRO Model No SPU130 SPU130-111 SPU130111 SSINPRO Sinpro Electronics Co, Ltd. +50V 2.6A 130W 3-Prong Connector Switching Power Supply Cord Charger By UpBright

Low interference and noise Advanced technology and high quality High efficiency and reliability 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. Tips: Rechargeable batteries don't last forever, the average battery last 1 to 3 years. If the battery is old/dead, it will not accept a charge. But not charger's problem. If you're not sure whether battery or charger is dead or not. You must have a volt meter in order to tell whether or not a charger is working.