(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 New Global 54.6V AC / DC Adapter Charger Compatible with Rad Power Bikes RadMission Series Rad Mission and RadMission 1 48 Volts 10.5 Ah 504 Wh Lithium NMC (LiNiMnCoO2) 48V 10.5Ah +48V 48.0V 48 Volt 48 48VDC 48 V 48 VDC Lithium Li-ion Battery Pack PW48140Z-Y PW48140ZY Electric Folding Fat Tire Bike eBike St SHC-8100LD Kunshan ST Electronics Co., Ltd. +54.6V 2A DC54.6V 2000mA 54.6VDC 54.6 V 54.6 VDC Power Supply Cord Cable PS Charger Mains PSU (w/ Barrel ✅ Round Plug.) ⚠️!!!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 54.6V AC / DC Adapter Charger Compatible with Rad Power Bikes RadMission Series Rad Mission and RadMission 1 48 Volts 10.5 Ah 504 Wh Lithium NMC (LiNiMnCoO2) 48V 10.5Ah +48V 48.0V 48 Volt 48 48VDC 48 V 48 VDC Lithium Li-ion Battery Pack PW48140Z-Y PW48140ZY Electric Folding Fat Tire Bike eBike St SHC-8100LD Kunshan ST Electronics Co., Ltd. +54.6V 2A DC54.6V 2000mA 54.6VDC 54.6 V 54.6 VDC Power Supply Cord Cable PS Charger Mains PSU (w/ Barrel ✅ Round Plug.) CECCCROHS 100-240