Amazon Kindle PowerFast 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

Optimized for Kindle tablets: PowerFast is a 9W charger and will charge your Kindle tablets faster than the white 5W Kindle charger will. (Note Kindle e-readers will charge at the same rate regardless of if you use a 5W or 9W charger)
Designed for use with the black micro USB cable included with the new Kindle Fire or Kindle Fire HD devices.
What's in the Box: PowerFast Charger & quick start guide
Adapter's prongs conveniently fold for storage and travel