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 54.6V AC / DC Adapter Charger Compatible with Jetson Haze JHAZE JHAZE-BLK JHAZE-BLK-OB JHAZE-CAN-BLK JHAZEBLK 48V 7.5Ah DC48V 7500mAh 48 Volt 7.5 Ah 48 Volts 7500 mAh 48VDC Lithium-Ion Li-ion Liion Battery Pack Model PJHAZE-CH PJHAZECH +54.6V DC54.6V 54.6VDC 54.6 V 54.6 VDC Switching Power Supply Cord Cable PS Mains PSU (Note: ⚠️!!! 48V 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 54.6V AC / DC Adapter Charger Compatible with Jetson Haze JHAZE JHAZE-BLK JHAZE-BLK-OB JHAZE-CAN-BLK JHAZEBLK 48V 7.5Ah DC48V 7500mAh 48 Volt 7.5 Ah 48 Volts 7500 mAh 48VDC Lithium-Ion Li-ion Liion Battery Pack Model PJHAZE-CH PJHAZECH +54.6V DC54.6V 54.6VDC 54.6 V 54.6 VDC Switching Power Supply Cord Cable PS Mains PSU CECCCROHS 100-240