Amazon Kindle 9W PowerFast Adapter for Accelerated Charging

Brand: Amazon
Manufacturer: Amazon Digital Services, Inc
Model: 53-000136
EAN: 0639767206372
Category: Accessory
Price: n/a  (127 customer reviews)
Shipping Wt: 0.10 pounds
Average Rating: 4.3 out of 5 stars
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Product Description

Amazon Kindle 9W PowerFast Adapter for Accelerated Charging... [Read more]

Features

  • 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

Top Reviews

Disconnect When Leaving Your Home
by William I Russell (3 out of 5 stars)
July 17, 2015

As a design engineer of power electronics, it's obvious this adapter runs too hot to the touch on the outer plastic surface when the Kindle's battery is being charged from a prior, fully discharged state. If it's too hot to the touch on the outside, this in turn translates to operating at higher temperatures inside the unit. There's always a high-to-low thermal temperature gradient from the internal electronic components to the external surface. Providing satisfactory heat transfer from the internal electronics to the external surface is a common design issue I see all the time; probable cause of most electronic failures. It is difficult to determine the "safe operating conditions" for this particular product without actually reverse engineering it to determine design margins. Never the less, from my experience, I'd lean towards being safe than sorry. I recommend removing the 9 Watt power adapter if you are not at home.

Update on 8/16/2015: After chopping away at my Kindle's plastic case, I managed to access the circuitry with a lot of difficulty. The first thing that was quite apparent was how well designed the "official" Kindle adapter is compared to the less expensive knockoff adapters carrying the Kindle name. One thing is the "official" Kindle adapter dissected incorporates input filtering circuits to reduce annoying electrical interference signals that are normally generated by this type of adapter. There were some heat spreading methods applied to prevent hot spots. Compared to a knockoff adapter, the official Kindle adapter is a better product ... definitely more parts contained therein. When time permits, I'll reverse engineer the circuitry. One thing to mention is the possibility of Kindle power adapter circuit revisions occurring over time to help reduce the "hot to the touch" issue. I discovered the knockoff adapters went through complete circuit changes that addressed the temperature problems. Of course, if you buy a knockoff adapter, you don't know if you're buying a "hot" one or a "cooler" operating charger because they all look identical from the outside. So I'd stay with the "official" Kindle adapter if you're shopping for this style of adapter.

Also, be careful not to cover the adapter with a blanket ... greatly reducing the cooling capability of the adapter. Myself, I plug the Kindle adapter along with other adapters into an extension cord plug that is place on the bed. I'm careful not to cover up these adapters with the blanket to avoid a potential fire hazard.
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Kindle wouldn't charge, used adapter and its fixed.
by I. Diaz (5 out of 5 stars)
July 30, 2015

After sometime I started having issues with the usb cable that came with my Kindle Fire HD 2012 model. It would stay at 1-2% charge even after hours of having it plugged in which was just a little slower than the 12 hour charging time it usually took to get it to full battery. I always just used the usb port on my computer to charge my device but after a few times of wanting to use my Kindle, but being unable to because it was dead from no charge, I decided to contact Amazon after seeing a review stating that they had a similar issue.
Amazon replaced the cord and included this 9W PowerFast adapter that they recommended would solve my charging issue. I did not have experience with an adapter but I received it 2 days later and used it the moment it arrived. I left my kindle alone and waited to see if it would work. Within a few hours it was at FULL power. This is literally the fastest I've ever had it charge the entire time I've owned it.
It is the most convenient accessory I could own for my Kindle and I'm really disappointed that I went so long not using my Kindle just because of this issue when it was such a simple fix. I do not have anything to compare the "9W" strength versus a different rating but if there's something that will charge it faster than a few hours for this price I'm all ears for a back up option. As for now I like that it is an Authorized accessory and know that if I have any issues with it Amazon will be more than happy to help me, and I don't get that trusted experience elsewhere. I just hope that I do not encounter the same issue now that I own this adapter.
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connectivity issues
by Jessica (2 out of 5 stars)
March 26, 2013

I ordered both a KindleFire and the accelerated charger together less than 6 months ago after my 2nd gen Kindel was nocked off the coffee table and the screen was destroyed. Too much time had elapsed from when we originally purchased that Kindel to get a replacement under the warranty but amazon did give a discounted price for the new purchase. I have been generally pleased with both items and initially saw marked improvement in the speed of the charging but now the connection between the device and charger is iffy and the speed of charging far exceeds the claim under3hr for the Fire. I currently have had my device charging for nearing on 5hrs and it is still not fully charged. The issue of connectivity between the device and usb cable may be the true issue. I currently have to jiggle the usb to create a connection with device. Very disappointing that there would be this kind of issue so soon after purchase.
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Amazon.....my preference
by Mizzy (5 out of 5 stars)
June 22, 2015

Wow..reading some negative reviews and scratching my head. Poor customer service from Amazon?? I've never had anything but exceptional customer service from Amazon. I love our kindles. My reader Kindle is top notch. Our Kindle fire....I wouldn't say the best tablet out there, but for the price and the customer service.. my preference. And they seem to value long term customers. One of our fires quit working after warranty expired, and they gave me a insane great price for a newer updated fire. We have an iPad, and my daughter prefers it, but I prefer the kindle. I even got the Fire phone. Again.....customer service was my deciding factor there. And now using fire stick for our smart tv, that isn't very smart anymore. Anyway....this is supposed to be a review for the charger, which I have to admit ticked me off when I had to purchase separate. However, I've had the same one through 2 kindles. I'm ordering another one, because we left it at my Mom's this past weekend. Putting it on my phone charger isn't cutting it. But want to leave another example of their customer service. I sent a gift....and put in an incorrect address. Completely my fault. I called Amazon mad at myself, not really thinking they could or would help me. Nope...no sweat. They put out a request for pick up for the original order, but immediately sent my gift to the correct address. Now come on...my error, 2 days gift arrived, and I have no idea if they were able to retrieve the original.
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A great charger for my Kindle Voyage
by Dan (4 out of 5 stars)
December 17, 2014

I purchased this to charge my Kindle Voyage via my surge protector rather than having to plug it into a computer. My Kindle Voyage shipped to me with over half of a full battery when I received it. When I used this adapter to charge it to 100% it seemed to take quite a long time for the charge indicator light on my Voyage to change from amber to green to indicate that it was fully charged. It took probably five hours or so. I don't know if it took that long because it was my Voyage's first charge or what. I thought that since I purchased this one over the 5W that it should have charged my Voyage much faster. I will see how it performs on future charges but for now it gets three stars.

Update: I've now had this product for a few months and have used it numerous times. In retrospect, I probably should have waited longer and used the product a few more times before writing my initial review. I didn't though, so we'll just add an updated review. It seems that that first charge of my new Kindle Voyage was a fluke. Maybe because it was its initial charge? I don't know. But I do know that this product does in fact charge my Voyage quite quickly. I'm happy that I purchased it over the less powerful version. Also, since it's micro-USB, it can be used to charge anything with a micro-USB charging port, not just my Voyage. I gave it four stars instead of five because it could probably stand to be a little smaller. I would definitely recommend this to anyone looking to charge their Kindle via the wall versus their computer.
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An absolutely necessary accessory for your brand new Kindle Fire HD.
by Thomas Briggs (5 out of 5 stars)
December 23, 2012

Does it suck that the Kindle Fire HD doesn't come with an AC adapter? You bet. But considering the price (especially the $300 asking price for the 8.9), it makes sense. Amazon sacrificed convenience for affordability. You don't have to like it (nobody does), but let's just move on.

When purchasing a Kindle Fire HD, this wall-adapter discounts to $10. At that price, it's worth it. It's 9W, charges while the Kindle is in use (something not possible when you connect to your computer's USB port), and charges relatively fast. When charging my Kindle Fire HD 8.9, it takes about five and a half hours to go from near 0% to 100%. I rarely ever let the battery deplete that much, so my usual charging time is around four hours give or take. That's fast enough, perfect for when sleeping, and decent while doing a short charge in the middle of the day.

Yes, the Kindle Fire HD will work with just about any wall charger, but in my experience, this one is faster than any other USB wall charger I own, including my original iPad charger. It's worth adding on to your purchase.
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Too Bulky- and $$
by Nitwit4Lit (2 out of 5 stars)
May 4, 2014

I added this to my Fire order, so it was a decent price. Had I paid full price I would be really annoyed. 1st- I get not including a plug with devices- most of us have a dozen or so already, so I kind of appreciate the attempt to not send out more electronic junk that will end up in a landfill. I leave a couple plugged in and swap out USB cords as needed if I have devices with non-standard ports. So a big factor for me is that I don't want to use a charger that isn't designed to fit nicely next to other plugs. This one is very poorly designed for that.
- -> Note to ALL electronics manufacturers : yours is NOT the only device we own, nor the only thing we ever want to plug in.... so stop designing your plugs as if they are. You gotta be prepared to share the space. If I can't plug your charger in and still have the next plug over still be usable, you are going in the junk drawer. (guess where this one is!)<--

From the way it was pushed to include with my Fire purchase, I did think I might need it, that all my ther plugs might not be powerful enough... Not the case at all. If you are a really heavy user I guess charging speed might be an issue, but I generally plug a device in overnight- and no one in our household uses any device long enough in one sitting to drain it and need immediate refueling.

I do like that the prongs are foldable....but so are the ones from Barnes & Noble and many other brands. Pretty much any USB charger you already have, or pick up at a store will work just fine with all (my) kindle devices: keyboard, paperwhite, and fire HD 10", as well as all the nooks and even my cell phone and camera-just plug in your cords. Staples makes a fine compact 2 USB charger too that is no where near this price. No one but a heavy tablet user should even consider this as a purchase.
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Powerful Charger
by Glenda (5 out of 5 stars)
November 30, 2015

This charger fits both Kindle Fire & Samsung Android phones.

I had the lower watt charger, but it took all night to charge my phone & it also loosened inside the charging port making the charger useless.

I bought the 9W for the Kindle because the lower Watt kept shutting the power off because it wasn't strong enough.

With the 9W, I can stay on my Kindle as long as I want, without issues. It charges my Samsung Galaxy from a zero charge to a full charge in about an hour, plus the issue with the loose port isn't a problem with this charger.

I had an older Samsung that couldn't get a charge, & thought it was a loose port. Then, in less than a year with my new phone, I couldn't get a good enough connection in the port to charge the phone. I found out that was not the problem. The problem was the charging tip that inserts into the port.

So, now I have no issues with a loose port, or the Kindle powering off.

When you buy the charging chord, or a charger with one included, I would suggest you buy the chord that has a matte finish & is a bit larger in diameter. The shiny chords seem to break the small wires inside, making it useless.
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An accessory worth having.
by B. Powell (4 out of 5 stars)
July 26, 2015

This item was a little pricier than I liked, which is why I gave it 4 stars instead of 5. That said, its a wonderful gizmo and I may end up buying another regardless of the price! I have two Kindles, a 7" and an 8.9", and both are used daily at home and work. This adapter allows me to fully charge either tablet, even if completely dead, within 3 to 5 hours. I also like that the prongs fold in so that if I need to carry it with me, it's a nice little compact square unit and I don't have to worry about the prongs getting bent or broken. The other thing I like is that I can use the tablet while it's plugged in to the adapter and the tablet continues to charge fairly quickly. With some of the other chargers I've had, either the tablet couldn't be used at all while charging or could be used and while having it plugged in appeared to keep the battery from going lower, it wasn't actually increasing the battery as long as the tablet was in use.
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Watching movies and shows again without the battery dying mid-way thru 😘 love it! I'm never letti
by Mama Mia (5 out of 5 stars)
November 11, 2015

My original Kindle charger "disappeared". I was visiting my Mom, and plugged in my Kindle to charge. An hour later - it's GONE! 😢😢😢
(Mom LOVES to tidy up - I think she packed it in my nephews suitcase by mistake 😬 DOH! 😮)

Anyhoo...

No big deal, I thought to myself. I have tons of chargers at home. I'll just use one of them.

No worries, right?

WRONG!

I never could get my Kindle fully charged with any of the other chargers, even though it was continuously plugged in to one. Forget about trying to stream a movie or tv show with a low power charger - the Kindle would die less than an hour into the movie.

So I finally broke down and bought a new Kindle 9W charger. I plugged it in as soon as it arrived, and my Kindle was fully charged 2 hours later! Watching movies and shows again without the battery dying mid-way thru 😘 love it!

I'm never letting my Kindle 9W charger out of my sight again! Kinda pricey... but definitely worth it!

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