(⚠️Output 42V. with Barrel ✅ Round Plug Tip. 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 Fiat 500 U2 500U2 37V 7.5Ah 37 Volt 7500mAh 37V 7.5Ah Volts 7.5 Ah 37.0V 37VDC 37 V 37 VDC Lithium Ion Li-ion Liion Battery Pack 350W 8.5" Wheel Foldable Electric Scooter FT-ES-U2-200-BK FT-ES-U2-200-WT FT-ES-U2-200-SL +42V DC42V 42 Volt 42 Volts 42VDC 42 V 42 VDC Switching Class 2 Power Supply Cord Cable PS Charger Mains PSU ⚠️(w/ Barrel Round Plug Tip) (Note: ⚠️!!! 37V is Battery's voltage. ⚠️!!! ❌NOT charger's voltage. Please Check For Compatibility With Your Unit. Thanks.)⚠️(Please Note! that the "Jetson" available in a number of different Models Number and Connectors. Please Make sure Your Model or P/N : Match this Listing. Thank you.) ⚠️!!!Note: 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 Fiat 500 U2 500U2 37V 7.5Ah 37 Volt 7500mAh 37V 7.5Ah Volts 7.5 Ah 37.0V 37VDC 37 V 37 VDC Lithium Ion Li-ion Liion Battery Pack 350W 8.5" Wheel Foldable Electric Scooter FT-ES-U2-200-BK FT-ES-U2-200-WT FT-ES-U2-200-SL +42V DC42V 42 Volt 42 Volts 42VDC 42 V 42 VDC Switching Class 2 Power Supply Cord Cable PS Charger Mains PSU ⚠️(w/ Barrel Round Plug Tip) CECCCROHS 100-240