Compatible with: LEVOIT VortexIQ 40 Pet Vortex IQ40 VortexIQ40Pet Cordless Vacuum Cleaner; Levoit VortexIQ 40 Flex LSV-VF401-AUSR LSV-VF401-AUK Vortex IQ 40Flex VortexIQ40Flex 25.9V 2500mAh Lithium ion Li-ion Liion Battery Pack Cordless Stick Vacuum Cleaner HEAPVCLVNUS0002 Power Supply; (Note: !!! 25.9V is Vacuum's battery voltage. !!! NOT charger's voltage. Please Check For Compatibility With Your Unit. Thanks.) Note: Rechargeable batteries typically last 1 to 3 years. If a battery is old or depleted, it may not charge, but this isn't necessarily the charger's fault. To determine if the charger is working, use a voltmeter. saschedross AC Adapter Replacement For LEVOIT VortexIQ 40 Pet Flex Vortex IQ LSV-VF401-AUS VortexIQ40 25.9V 2500mAh Li-ion Battery Cordless Stick Vac Vacuum Cleaner 30VDC Power Supply Mains PSU