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. eeTao 30 days Refund. 24 Months Exchange. eeTao New Global 42V AC / DC Adapter Charger Compatible with X Hoover-1 XLS HY-HBKE HY-HBKE-BLK HY-HBKEBLK HYHBKE Hype 36V 8.6Ah 36 Volt 36 Volts 36VDC Lithium ion Li-ion Rechargeable Battery Hoover1 XHoover-1 XHoover1 X Hoover-1 +42V 42.0V DC42V 42VDC 42 V 42 VDC Switching Power Supply Cord Cable PS Charger Mains PSU ( w/ 3-Pin Male XLR Connector. Please Check For Compatibility With Your Unit. Thanks.) !!!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. eeTao New Global 42V AC / DC Adapter Charger Compatible with X Hoover-1 XLS HY-HBKE HY-HBKE-BLK HY-HBKEBLK HYHBKE Hype 36V 8.6Ah 36 Volt 36 Volts 36VDC Lithium ion Li-ion Rechargeable Battery Hoover1 XHoover-1 XHoover1 X Hoover-1 +42V 42.0V DC42V 42VDC 42 V 42 VDC Switching Power Supply Cord Cable PS Charger Mains PSU ( w/ 3-Pin Male XLR Connector. Please Check For Compatibility With Your Unit. Thanks.) CECCCROHS 100-240