UpBright 2-Prong AC/DC Adapter Compatible with INSE Y10 Y10S Y10P Pro Y10T Y11 Y12 Y15 Y16 Y17 Y18 Y19 10.8V 5200mAh Li-ion Battery Cordless Robotic Vacuum Automatic Pool Cleaner Power Supply Charger - INSE Y10 Y10S Y10P Y10T 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 2-Prong AC / DC Adapter Compatible with INSE Model Y10 Y10S Y10P Pro Y10PPro Y10T Y11 Y12 Y15 Y16 Y17 Y18 Y19 10.8V 5200mAh DC10.8V 5.2Ah 10.8 Volt 5200 mAh 10.8 Volts 5.2 Ah 10.8VDC Lithium ion Li-ion Rechargeable Battery Pack Cordless Robot Vacuum Lightweight Robotic Automatic Pool 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.