(Note: 28.8V is Vacuum's battery voltage. NOT charger's voltage. Please Check For Compatibility With Your Unit. Thanks.)( Please Note ! that the "Shark Vacuum Cleaner" available in a number of different Models Number and Connectors. Please Make sure Your Model or P/N : Match this Listing. Thank you.) 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. Connectivity technology: Powerline Input voltage: 110.0 volts_of_alternating_current Connector gender: Male-to-Female Connector type: 2-Pin Special feature: High Quality AC Adapter Replacement For Shark ICZ300 Series Vertex Pro ICZ362H 26 ICZ362H26 1CZ362H 28.8V Li-ion Battery XBAT350 440W VertexProed Lift-Away Cordless Vacuum 0.96A PSU Power Supply Mains PSU