eeTao 42 V AC/DC Charger Replacement Compatible with WINDHORSE W3 Electric Bike 288WH Li-ion Battery Adapter Power Supply Cord Cable Compatible with:MODEL:JY-420150 42 V Charger Power Supply World Wide Input Voltage 100-240 VAC 50/60 Hz. OVP, OCP, SCP Protection.OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection eeTao 30 days Refund. 24 Months Satisfaction Exchange Note: Rechargeable batteries will not be used forever, with an average battery life of 1 to 3 years. If the battery is damaged, it will not accept charging. But it's not a problem with the charger eeTao 42V AC/DC Charger Replacement Compatible with WINDHORSE W3 Electric Bike 288WH Li-ion Battery MODEL:JY-420150 JY420150 DC42V 42VDC 42.0V Adapter Power Supply Cord Cable CECCCROHS 100-240