UpBright 2-Prong AC/DC Adapter Compatible with U.S. Pool Supply Octopus USP 1121 PVC-1121 PVC1121 7.4V 2000mAh Li-ion Battery Handheld Swimming Spa Cordless Pool Vacuum Cleaner Power Cord Charger PSU - U.S. Pool Supply Octopus 1121 Charger

• 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 2-Prong AC / DC Adapter Compatible with U.S. Pool Supply Octopus USP 1121 PVC-1121 PVC1121 7.4V 2000mAh DC7.4V 2.0Ah 7.4 Volt 2000 mAh 7.4 Volts 2.0 Ah 7.4VDC 2Ah Lithium Ion Li-ion Rechargeable Battery Pack Handheld Swimming Spa Cordless Pool Vacuum Cleaner Class 2 Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU (w/ 2-pin Connector) ⚠️!!!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.