UpBright 2-Prong 9V AC/DC Adapter Compatible with Metmoon KS-2619 KS2619 7.4V 2500mAh Li-ion Battery Electric Spin Scrubber Cordless Shower Cleaning Brush DC9V 0.65A 9VDC Power Supply Cord Charger PSU - Metmoon KS-2619 2-Prong 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 2-Prong 9V AC / DC Adapter Compatible with Metmoon Model KS-2619 KS2619 7.4V 2500mAh DC7.4V 2.5Ah 7.4 Volt 2500 mAh 7.4 Volts 2.5 Ah 7.4VDC Lithium ion Li-ion Liion Rechargeable Battery Pack Electric Spin Scrubber Cordless Shower Cleaning Brush DC9V 0.65A 9.0V 650mA 9VDC 9.0VDC 9 V 9.0 VDC Class 2 Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU (w/ 2Prong / 2-Pin Conncetor.) ⚠️!!!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.