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. New AC / DC Adapter Compatible with Shark Model CH900WM 14 CH900WM14 CH900 CH900C DC 7.2V 7.2 Volts 7.2 V 7.2 VDC Lithium ion Li-ion Rechargeable Battery UltraCyclone 7.2-Volt Pro Cordless Handheld Vacuum Cleaner Ultra Cyclone Hand Vac XSKDKCH900 Charging Dock Switching Class 2 Power Supply Cord Cable PS Wall Home Charger Mains PSU (w/ Barrel Round Plug Tip) !!!Tips: Rechargeable batteries usually last 2-3 years. If your machine couldn't charge the battery, it's usually because your rechargeable battery was out of date, or decayed. Please check if your rechargeable battery was already worn out. (If the battery is bad, it will not accept a charge.) New AC / DC Adapter Compatible with Shark Model CH900WM 14 CH900WM14 CH900 CH900C DC 7.2V 7.2 Volts 7.2 V 7.2 VDC Lithium ion Li-ion Rechargeable Battery UltraCyclone 7.2-Volt Pro Cordless Handheld Vacuum Cleaner Ultra Cyclone Hand Vac XSKDKCH900 Charging Dock Switching Class 2 Power Supply Cord Cable PS Wall Home Charger Mains PSU (w/ Barrel Round Plug Tip) CECCCROHS 100-240