UpBright 20V AC/DC Adapter Compatible with Wyze WVCR200S WVCR200SW 14.6V 3000mAh Li-ion Battery 33W Robot Vacuum Cleaner Robotic Multi-Floor LiDAR Room Mapping Charging Station Power Supply Charger - Wyze WVCR200S 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 20V AC / DC Adapter Compatible with Wyze Model WVCR200S WVCR200SW 14.6V 3000mAh DC14.6V 3.0Ah 14.6 Volt 3000 mAh 14.6 Volts 3.0 Ah 14.6VDC 3Ah Lithium ion Li-ion Liion Battery Pack 33W Robot Vacuum Cleaner Robotic Multi-Floor LiDAR Room Mapping Charging Station DC20V 20.0V 20VDC 20.0VDC 20 V 20.0 VDC Class 2 Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU ⚠️!!!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.