eeTao AC/DC Adapter Replacement Charger Compatible with AZVKEA S17 Cordless Vacuum Cleaner 550W Motor 25.9V 2500mAh Lithium-ion Battery Power Supply Cable Cord Compatible with:25.9V Li-ion Battery 29.4 Charger Power Supply World Wide Input Voltage 100-240 VAC 50/60 Hz. OVP, OCP, SCP Protection.OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection eeTao 30 days Refund. 24 Months Satisfaction Exchange Note: Rechargeable batteries will not be used forever, with an average battery life of 1 to 3 years. If the battery is damaged, it will not accept charging. But it's not a problem with the charger eeTao AC/DC Adapter Replacement Charger Compatible with AZVKEA S17 Cordless Vacuum Cleaner 550W Motor 25.9V 2500mAh Lithium-ion Battery Power Supply Cable Cord PS Wall Home Battery Charger Mains PSU CECCCROHS 100-240 V