Yustda AC/DC Adapter Compatible with Hydrus Seauto Model SEAL 21.9V 7.8Ah 170.82Wh Li-ion Battery SAT-3P6S SAT3P6S Cordless Robotic Swimming Pool Vacuum Cleaner Power Supply Charger Cord

New Global 2-Prong AC / DC Adapter Compatible with Hydrus Seauto SEAL 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 SAT3P6S Cordless Robotic Swimming Vacuum Intelligent Path Planning Automatic Pool Spa Cleaner Class 2 Switching Power Supply Cord Cable PS Charger Mains PSU (w/ 2-pin Connector) (Note: !!! 21.9V is Pool Cleaner's battery voltage. !!! NOT charger's voltage.) !!!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. Safety Features: Over current protection; Total power protection; Over voltage protection; Short Circuit Protection. Manufactured with the highest quality materials. Certification: FCC, CE and RoHS. Compatible wtih: Hydrus Seauto Model SEAL 21.9V 7.8Ah 170.82Wh Li-ion Battery SAT-3P6S SAT3P6S Cordless Robotic Swimming Pool Vacuum Cleaner