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 KIMO 5005 Cordless Buffer Polisher Car Polisher 20V 2000mAh 2Ah Lithium Ion LI-ion Battrey DC20V 20VDC 20.0V Power Supply Cord Cable PS Wall Home Mains PSU Compatible with:KIMO 5005 Cordless Buffer Polisher Car Polisher 20V 2000mAh 2Ah Lithium Ion LI-ion Battrey DC20V 20VDC 20.0V Power Supply Cord Cable ⚠️!!!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 AC/DC Adapter Charger Compatible with KIMO 5005 Cordless Buffer Polisher Car Polisher 20V 2000mAh 2Ah Lithium Ion LI-ion Battrey DC20V 20VDC 20.0V Power Supply Cord Cable PS Wall Home Mains PSU CECCCROHS 100-240