eeTao Replacement Charger Compatible with Protmex DC6000 Cordless Car Buffer Polisher ICN18650C3 21V Lithium Battery Adapter Power Supply Cord Cable PS Wall Home Mains PSU Compatible with DC21V Battery Adapter Power Supply 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 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 Replacement Charger Compatible with Protmex DC6000 Cordless Car Buffer Polisher ICN18650C3 21V Lithium Battery DC21V Adapter Power Supply Cord Cable PS Wall Home Mains PSU CECCCROHS 100-240