Onerbl AC-DC Adapter Replacement for Seauto SAT30 Crab Pro Gray CrabPro 21.9V 7800mAh SAT-3P6S 180W Swimming Robot Cleaner Cordless Robotic Pool Vacuum Power Supply Cord Cable

• (Note: 21.9V is Pool Cleaner's battery voltage. NOT charger's voltage.) New Global 2-Prong AC / DC Adapter Compatible with Seauto SAT30 Crab-Gray Crab Pro CrabPro CrabGray 21.9V 7800mAh 170.82Wh 21.9V 7800mAh 170.82Wh DC21.9V 7.8Ah 170.82 Watt 21.9 Volt 7800 mAh 21.9 Volts 7.8 Ah 21.9VDC Rechargeable Battery Pack SAT-3P6S SAT3P6S 180W Powerful Suction Swimming Robot Cleaner Cordless Automatic Robotic Pool Vacuum Class 2 Switching Power Supply Cord Cable Note: Rechargeable batteries don't last forever, the average battery last 1 to 3 years. If the battery is old/bad, it will not accept a charge. But not charger's problem Compatible with listing item Pool Vacuum for Above Ground Pool Up to 2000 Sq.ft, Pool Vacuum for Inground Pools Lasts Up to 150 Mins, Dual Brushes for Superior Cleaning, Pool Cleaner for Wall, Floor and Auto Mode Tested Units. In Great Working Condition.