eeTao AC/DC Adapter Charger Compatible with BSRCO Handheld Vacuum Cordless Rechargeable 3-in-1, Dust Busters Car Vacuum Cleaner 11.1V Lithium-ion Battery Power Supply Cord Cable Compatible with 11.1V Lithium-ion Battery 12V 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 Charger Compatible with BSRCO Handheld Vacuum Cordless Rechargeable 3-in-1, Dust Busters Car Vacuum Cleaner 11.1V Lithium-ion Battery Power Supply Cord Cable Mains PSU CECCCROHS 100-240 V