Yustda 2-Prong AC/DC Adapter Replacement for Model C1 OS7010C 21.6V 4600mAh 21.6VDC Li-ion 65W Cordless Robotic Climbing Pool Vacuum Robot Floor Cleaner Power Supply Charger

(Note: !!! 21.6V is Vacuum's battery voltage. !!! NOT charger's voltage. Please Check For Compatibility With Your Unit. Thanks.) New Global 2-Prong AC / DC Adapter Compatible with Model C1 C 1 OS7010C 21.6V 4600mAh DC21.6V 4.6Ah 21.6 Volt 4600 mAh 21.6 Volts 4.6 Ah 21.6VDC Lithium Ion Li-ion Liion Rechargeable Battery Pack 65W Cordless Wall Climbing Robotic Automatic Swimming Robot Pool Vacuum Floor Cleaner 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. Charger/Adapter has total 10 Ft Long power cord. 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.