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 3-Prong 54.6V 2A AC/DC Adapter Charger Compatible with iENYRID M4 Pro S / S+ Max Electric 48V 10Ah 16Ah Lithium-ion Battery 54.6V 2.0A Switching Power Supply Cord Cable PS Battery Charger Mains PSU ( w/ 3-Pin ✅ 3Pin / 3Prong Connector. ) Compatible with: FY1505462000 54.6V 2.0A 54.6VDC 2A 54.6 Volt 2000mA DC54.6V +54.6V Switching Power Supply Battery Charger ⚠️!!!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 3-Prong 54.6V 2A AC/DC Adapter Charger Compatible with iENYRID M4 Pro S / S+ Max Electric 48V 10Ah 16Ah Lithium-ion Battery 54.6V 2.0A Switching Power Supply Cord Cable PS Battery Charger Mains PSU ( w/ 3-Pin ✅ 3Pin / 3Prong Connector. ) CECCCROHS 100-240