AC/DC Adapter Compatible with UMLo Model V111 V 111 18.5V 15W 4000mAh 18.5VDC Lithium-ion Battery 265W 25Kpa Powerful Suction Lightweight Cordless Stick Vacuum Cleaner Power Supply Charger - saschedross, dsf03130188

• 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. New AC / DC Adapter Compatible with UMLo Model V111 V 111 18.5V 15W 4000mAh 18.5 V 4000 mAh 18.5 Volt 18.5 Volts 18.5VDC 18.5 V 18.5 VDC Li-ion Rechargeable Battery 265W 25Kpa Powerful Suction 8 in 1 LED Lightweight Cordless Stick Vac Vacuum Cleaner Car Pet Hair Carpet Hard Floor Power Supply Cord Cable PS Wall Home 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.