eeTao 42V AC/DC Adapter Charger Compatible with isinwheel M10 Commuting Electric Mountain Bike 36V 10.4Ah 374.4Wh Lithium-ion Battery Electric Bicycle 42VDC DC42V 42.0V Power Supply Cord PSU - isinwheel M10 Bike 42V Power Supply

• (⚠️w/ Barrel ✅ Round Plug. Someone may have bought it by mistake. Please Check For Compatibility With Your Unit. Thanks.) 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 isinwheel M10 Commuting Electric Mountain Bike 36V 10.4Ah 374.4Wh Lithium-ion Battery Electric Bicycle 42VDC DC42V 42.0V Power Supply Cord Cable PS Charger Mains PSU (⚠️w/ Barrel ✅ Round Plug. 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.