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 29.4V AC/DC Adapter Charger Compatible with Windseeker ‎H2S-2 ‎H2S ‎H2S2 350W 25.9V 29.4VDC 2Ah 51.8Wh Lithium-ion Li-ion Battery Pack Skateboard Longboard Power Supply Cord Cable Charger Mains PSU ⚠️!!!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 29.4V AC/DC Adapter Charger Compatible with Windseeker ‎H2S-2 ‎H2S ‎H2S2 350W 25.9V 29.4VDC 2Ah 51.8Wh Lithium-ion Li-ion Battery Pack Skateboard Longboard Power Supply Cord Cable Charger Mains PSU CECCCROHS 100-240