(Note: !!!!! 25.9V 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. Kircuit New Global 31V AC / DC Adapter Compatible with Buture Pro Model BP10 BP 10 ButurePro 25.9V 2200mAh DC25.9V 2.2Ah 25.9 Volt 2200 mAh 25.9 Volts 2.2 Ah 25.9VDC Lithium ion Li-ion Liion Rechargeable Battery Pack DSV1018 DSV101B 450W 33KPa Powerful Suction Cordless Stick Vac Vacuum Cleaner Hardwood Floor Carpet Pet Hair DC31V 500mA 15.5W 31.0V 0.50A 15.50W 31VDC 0.5A 31.0VDC 0.5 A 31 V 500 mA 31.0 VDC Class 2 Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU Compatible with: Buture 650 futur 650 Vacuum Stick Cleaner Battery Model: A15-7INR18650-2200mAh 25.9V Rechargeable Battery Pack; Model CZH015310050USWH CZH015310050USWPL CZH015310050USWP1 CZH015310050USWP CZH015310050EUWH CZHO15310050USWH CZHO15310050USWPL CZHO15310050USWP1 CZHO15310050USWP CZHO15310050EUWH Shenzhen Chanzeho Technology Co., Limited 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: B0CPBRXXT5 -- Cordless Vacuum Cleaner, 450W 38KPA Stick Vacuum with Intelligent Auto Mode, Color Touch Display, Up to 55Mins, Rechargeable Cordless Vacuum for Hardwood Floor Carpet Pet Hair Kircuit AC adapters are tested and designed to meet the power needs of your device. This adapter converts AC power into the DC power required by your device. This supply allows you to operate your device or charge its battery from electrical power outlets. Kircuit Adapters are a portable power source for when your on the go, at home or office. This adapter has been validated and tested to ensure it will work with your device.