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 42V AC/DC Adapter Charger Compatible with ‎TotGuard ‎T-266 26'' 26 inch Ebike with 350W Motor 36V 374Wh 10.4Ah Lithium-ion Li-ion Liion Battery Pack Electric Mountain Bike DC42V 2A 42VDC 2.0A 42.0V 2000mA 42 Volt Power Supply Cable Cord PS Mains PSU (Note: ⚠️!!! 36V is battery's voltage. ⚠️!!! NOT charger's voltage. 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 42V AC/DC Adapter Charger Compatible with ‎TotGuard ‎T-266 26'' 26 inch Ebike with 350W Motor 36V 374Wh 10.4Ah Lithium-ion Li-ion Liion Battery Pack Electric Mountain Bike DC42V 2A 42VDC 2.0A 42.0V 2000mA 42 Volt Power Supply Cable Cord PS Mains PSU CECCCROHS 100-240