Amazon Kindle 9W PowerFast Adapter for Accelerated Charging Official Amazon 9W, 1.8A adapter charges Kindle Fire HD 8.9" in under 5 hours, Kindle Fire HD 7" in under 4 hours, and Kindle Fire in under 3 hours Also the approved charger for Kindle Paperwhite and Kindle; charges Kindle Paperwhite in 4 hours or less and Kindle in 3 hours or less Optimized for Kindle tablets: PowerFast is a 9W charger and will charge your Kindle tablets faster than the white 5W Kindle charger will For use with the black micro USB cable included with Kindle Fire and Kindle Fire HD and with the white USB cable included with Kindle Paperwhite and Kindle Adapter's prongs conveniently fold for storage and travel