(Note: ⚠️!!! 20V is Vacuum's battery voltage. ⚠️!!! ❌NOT charger's voltage. Please Check For Compatibility With Your Unit. Thanks.) 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 21.5V AC / DC Adapter Compatible with Teguy Model V40 PCT403T C40 20V/2000mAh 20V 2000mAh DC20V 2000mAh 20 Volt 2000 mAh 20 Volts 2.0 Ah 20VDC 2Ah Lithium ion Li-ion Liion Rechargeable Battery Pack 40W Powerful Suction Cordless Handheld Pool Hot Tub Spa Swimming Vacuum Cleaner DC21.5V 1.5A 32.25W 21.50V 1.50A 21.5VDC 1500mA 21.50VDC 1500 mA 21.5 V 21.50 VDC Class 2 Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU (w/ 2-pin Connector) Compatible with: Model XH2150-1500W XH2150-1500WG XH21501500W XH21501500WG 21.5V 1.5A 32.25W DC21.5V 1500mA 21.5VDC Class 2 Power Supply ⚠️!!!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. Compatible with listing item ASIN: B0D14RGS9C -- Cordless Pool Vacuum with Telescopic Pole, 18.5 GPM Powerful Suction, 1.5H Supercharge Technology, Handheld Rechargeable Pool Vacuum Cleaner for Above Ground/Inground Pools, Hot Tubs, Spas UpBright New Global 2-Prong 21.5V AC / DC Adapter Compatible with Teguy Model V40 PCT403T C40 20V/2000mAh 20V 2000mAh DC20V 2000mAh 20 Volt 2000 mAh 20 Volts 2.0 Ah 20VDC 2Ah Lithium ion Li-ion Liion Rechargeable Battery Pack 40W Powerful Suction Cordless Handheld Pool Hot Tub Spa Swimming Vacuum Cleaner DC21.5V 1.5A 32.25W 21.50V 1.50A 21.5VDC 1500mA 21.50VDC 1500 mA 21.5 V 21.50 VDC Class 2 Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU (w/ 2-pin Connector) CECCCROHS 100-240