UpBright 2-Prong AC/DC Adapter Compatible with Seauto Seal SE SealSE 21.9V 7800mAh Li-ion Battery SAT-3P6S Cordless Robotic Pool Vacuum Automatic Spa Cleaner MX65C1-2522500 Power Supply Cord Charger - Seauto Seal SE 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 Seauto Seal SE SealSE 21.9V 7800mAh 170.82Wh DC21.9V 7.8Ah 21.9 Volt 7800 mAh 21.9 Volts 7.8 Ah 21.9VDC Lithium ion Li-ion Liion Rechargeable Battery Pack Model SAT-3P6S Cordless Robotic Swimming Vacuum Intelligent Path Planning Automatic Pool Spa Cleaner Model MX65C1-2522500 MX65C12522500 Class 2 Switching Power Supply Cord Cable PS 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.