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 3-Prong Connector 42V AC / DC Adapter Charger Compatible with Hoover-1 Charger H1-COL DSA-COL H1-COL-BLK DSA-COL-BLK 36V 4.0 Ah 36 Volt 4000mAh 36Volts 36VDC Lithium-ion Battery Electric H1COL DSACOL XHoover-1 XHoover1 X Hoover-1 Hoover1 +42V 1.5A DC42V 1500mA 42 V 42VDC 42 V 42 VDC Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU (__w/ 3-Pin 3Pin End Connector. Please Check For Compatibility With Your Unit. Thanks.) Compatible with: Hoover-1 H1-COL H1COL Charger Electric H1-COL-BLK H1COL-BLK 36V 4.0 Ah Rechargeable Lithium-ion Li-ion Battery; Hoover-1 DSA-COL DSACOL Charger Electric DSA-COL-BLK DSACOL-BLK; Model THX-420150KV THX420150KV Shenzhen Tianhangxing Electronics Co., Ltd 42V 1.5A 42VDC 1500mA Power Supply ⚠️!!!Note: 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 3-Prong Connector 42V AC / DC Adapter Charger Compatible with Hoover-1 Charger H1-COL DSA-COL H1-COL-BLK DSA-COL-BLK 36V 4.0 Ah 36 Volt 4000mAh 36Volts 36VDC Lithium-ion Battery Electric H1COL DSACOL XHoover-1 XHoover1 X Hoover-1 Hoover1 +42V 1.5A DC42V 1500mA 42 V 42VDC 42 V 42 VDC Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU (__w/ 3-Pin 3Pin End Connector. Please Check For Compatibility With Your Unit. Thanks.) CECCCROHS 100-240