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 AC / DC Adapter Charger Compatible with Segway Ninebot eKickScooter Model C2 051403U 051403E 21.6V 2500mAh 54Wh DC21.6V 2.5Ah 21.6 Volt 2500 mAh 54 Wh 21.6 Volts 21.6VDC 2.5 Ah Lithium-ion Li-ion Liion Battery Pack 130W 160W Kids Electric Kick Scooter NBW25D201D0D NBW250201000 24.2V 1A 24.2W 25.2V Switching Power Supply Cord Cable Battery Mains PSU (Note: ⚠️!!! 21.6V is battery's voltage. ⚠️!!! NOT charger's voltage. Please Check For Compatibility With Your Unit. Thanks.) ⚠️ !!!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. ⚠️ This power cable is a lead. If it does not charge the Jumpstarter. it's usually the Jumpstarter's fault, but not the power cable. eeTao AC / DC Adapter Charger Compatible with Segway Ninebot eKickScooter Model C2 051403U 051403E 21.6V 2500mAh 54Wh DC21.6V 2.5Ah 21.6 Volt 2500 mAh 54 Wh 21.6 Volts 21.6VDC 2.5 Ah Lithium-ion Li-ion Liion Battery Pack 130W 160W Kids Electric Kick Scooter NBW25D201D0D NBW250201000 24.2V 1A 24.2W 25.2V Switching Power Supply Cord Cable Battery Mains PSU CECCCROHS 100-240