UpBright 21V AC/DC Adapter Compatible with Vacmaster VSD1801 2 in 1 Cordless Handheld & Stick Vacuum Cleaner 18V Rechargeable Li-ion Battery Charging Base 561042109 YLS0241A-T21005 21.0V 500mA Charger - Vacmaster VSD1801 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) Tested Units. In Great Working Condition. UpBright 30 days Refund. 24 Months Exchange. UpBright New Global 21V AC/DC Adapter Compatible with Vacmaster VSD1801 2 in 1 Cordless Handheld & Stick Vacuum Cleaner 18V 18.0V 18VDC DC18V 18 Volts Rechargeable Li-ion Liion Lithium ion Battery Charging Base 561042109 21.0V 500mA 21VDC 0.5A +21V 0.50A DC21V 21.0VDC 21 V 21 VDC 21 Volts Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU Compatible with Vacmaster YLS0241A-T21005 YLS0241AT21005 21.0V 500mA Power Supply. Vacmaster Charging Adapter 561005107 ⚠️!!!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.