Power Plug for Kindle Fire Tablet, 9W Adapter USB Charger Charge Kindle, Kindle Fire Tablets, Kindle eReaders, Fire Phone and Fire Keyboard It's 9 watt (5Vdc 1.8A) AC adapter / wall charger Charge with your existing USB cable UL certified. 1 USB port, mini size and portable. Foldable US power plug This adapter operates at 100 to 240V AC input voltage, 50/60Hz 0.3A max. DC 5V 1.8A output