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Kindle Fire PowerBolt Duo USB Car Charger with USB Cable by Kensington

4.5 out of 5 stars 173 customer reviews
| 4 answered questions

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  • Two USB power ports
  • 2.1 Amp USB port has the power to charge your Kindle Fire
  • 1 Amp USB port charges your smarthphone or other device
  • Included micro-USB to USB cable lets you charge your Kindle Fire
  • LED power indicator
Currently unavailable. We don't know when or if this item will be back in stock.


Product Details

  • Product Dimensions: 7 x 4.6 x 0.5 inches ; 3.2 ounces
  • Shipping Weight: 0.8 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B005Z6FL80
  • Item model number: K39523US
  • Average Customer Review: 4.5 out of 5 stars 173 customer reviews
  • Date first available at Amazon.com: October 26, 2011
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Product Description

Charge two devices simultaneously with the PowerBolt Duo from Kensington. It features two charging ports: the powerful 2.1 Amp port has the juice you need to charge your Kindle Fire, while the 1 Amp port simultaneously charges your other mobile devices.

Customer Reviews

Top Customer Reviews

By Amazonian Consumer VINE VOICE on November 28, 2011
Kensington makes excellent products. This Powerbolt Duo car charger is no exception. This Kensington car charger is good for charging the Apple iPad and Amazon Kindle Fire, and it comes with a micro USB cable for the Fire, but it costs $30.

The Kindle Fire requires an electrical charging current of 1.8 A (1800 mA), so only chargers meeting current output of more than 1.8 A can charge it in reasonable amount of time. Many chargers on the market have output current of 2.1A. Make sure you see this specification on the product page. Kensington, Skiva, and Scosche all make car chargers that meet the 2.1 A requirement but are much more expensive.

The least expensive is by AmazonBasics, under $10.

AmazonBasics 2-Port USB Car Charger with 2.1 Amp Output (Black)

You also need a micro USB cable (for charging and data transfer):

AmazonBasics USB Cable - 2.0 A Male to Micro B (6 Feet / 1.8 Meters), $6

This is the kind of cable (USB 2.0 on one end and micro USB on the other) that some reviewers were saying that Amazon should have included in the Fire box. It is used for charging if the connection is between the Fire and a USB charger, or copying files from your computer to the Fire and vice versa, if the connection is between the Fire and your computer.

This charger has two USB ports that share the 2100 mA output, so if you want fast charging, use just one port to charge the Fire/iPad, and leave the other not used by anything else.

This combo costs $16, about half the cost of the Kensignton.
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The other two reviews don't say much of anything other than negative stuff so I am going to tell you about the good stuff. I ordered this for my first Kindle. No it is not black like the picture or at least mine is not. Mine is white. It does work nicely when I have been in a crunch to charge my Kindle while traveling in the car. No it's nothing fancy that needs to cost a ton of money! Amazon has provided a good product for charging the Kindle. I hope this helps anyone they may want to purchase. It really does work!
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Love this charger. Now I don't have to worry about not being able to charge up my Kindle Fire. This fits any standard car plug (former cigarettte lighter) and it even piggy backs a similar product since the plug has two ports.
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With my Kindle Fire, the more I learn how to use its extensive capabilities, the more I find use for a package of accessories, like the USB connector. I have transferred files from my laptop in a flash. Then there is the car recharger. Now I can go anywhere and keep my Fire ready for reading ebooks or for checking email as well as the entire web. Good accessories. I also recommend a good quality cover to protect the glass in a Fire or any other portable device, and on the Fire, earbuds bring the music or the sound in a movie to you clearly without disturbing others.
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THE ITEM WAS JUST AS PROMISED. IT WORKS WELL. IT COMES WITH THE USB CORD AS WELL AS CIG LIGHTER ADAPTER.
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The price was right, the product is good and the delivery time was great. I have been very please with all of the things I have purchased from Amazon.
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This is a very handy device which can charge either or both of my Kindles. Just be sure to use when the vehicle is running (and not with the garage door closed) so as not to run the vehicle battery down.
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I did some searching on Amazon for a proper mobile charger. I have a griffin twin port usb car charger.

While using my T-mobile HTC Amaze, I noticed that if I was using the GPS the phone would bleed power even connected. I'm sure many Android users have seen this behavior. I would receive a notice that the charge is not enough to keep the phone powered. The phone will eventually go to sleep in power saving mode.

Most of the 2.1 amp chargers that I've researched here seem to only work for Apple products. They will say also in the description for IPAD or IPHONE. From the reviews I've seen, they will NOT work for Android. They will power the device, but not at the full 2.1amp power.

There is also a fix, if you are willing to short the usb pins if you take the charger apart. I was looking for a product that would allow me a full operation of my phone without having to solder any contacts or take a charger apart.

As a stress test, I left my phone on overnight with all the wireless connections active. I woke up and noticed the phone was at 14% battery level. I proceeded to turn the screen brightness on max, and used the GPS mode. My HTC Amaze shortly threw the warning that my phone was not receiving enough power.

I was hoping since this device was intended for an Android (Kindle Fire) that it would output correctlty for my HTC Amaze. I'm sorry to report that this is not the case. I'll have to consider taking this charger apart, or returning it at this point.
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3/28/2012 update!
So I've had this charger for awhile. My original test I used my original HTC phone/data cable.
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